NO LEAD Digital Counters 961

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Part RoHS Manufacturer Logic IC Type Temperature Grade Terminal Form No. of Terminals Package Code Package Shape Total Dose (V) Package Body Material Schmitt Trigger Surface Mount No. of Functions Maximum Frequency At Nominal Supply Technology Screening Level No. of Bits Load or Preset Input Packing Method Nominal Supply Voltage / Vsup (V) Power Supplies (V) Load Capacitance (CL) Package Style (Meter) Package Equivalence Code Operation Mode Propagation Delay (tpd) Maximum I (ol) Sub-Category Terminal Pitch Maximum Operating Temperature Count Direction Output Characteristics Trigger Type Minimum Operating Temperature Terminal Finish Terminal Position Minimum fmax JESD-30 Code Moisture Sensitivity Level (MSL) Maximum Supply Voltage (Vsup) Maximum Seated Height Width Qualification Minimum Supply Voltage (Vsup) Maximum Power Supply Current (ICC) Additional Features JESD-609 Code Maximum Time At Peak Reflow Temperature (s) Peak Reflow Temperature (C) Length Family

SNJ54LS697FK

Texas Instruments

BINARY COUNTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

TTL

38535Q/M;38534H;883B

4

YES

5

45 pF

CHIP CARRIER

LCC20,.35SQ

SYNCHRONOUS

40 ns

Counters

1.27 mm

125 Cel

BIDIRECTIONAL

3-STATE

POSITIVE EDGE

-55 Cel

QUAD

20 MHz

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

4.5 V

70 mA

REGISTER/COUNTER OUTPUT SELECT; TCO OUTPUT; REGISTERED OUTPUTS

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

LS

SNJ54HC490FK

Texas Instruments

DECADE COUNTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

YES

2

CMOS

38535Q/M;38534H;883B

NO

CHIP CARRIER

LCC20,.35SQ

ASYNCHRONOUS

Counters

1.27 mm

125 Cel

UP

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

SNJ54F169FK

Texas Instruments

BINARY COUNTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

TTL

38535Q/M;38534H;883B

4

YES

5

5

CHIP CARRIER

LCC20,.35SQ

SYNCHRONOUS

Counters

1.27 mm

125 Cel

BIDIRECTIONAL

POSITIVE EDGE

-55 Cel

QUAD

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

4.5 V

52 mA

TCO OUTPUT

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

F/FAST

SNJ54ALS568FH

Texas Instruments

DECADE COUNTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

YES

1

TTL

38535Q/M;38534H;883B

YES

5

5

CHIP CARRIER

LCC20,.35SQ

SYNCHRONOUS

Counters

1.27 mm

125 Cel

BIDIRECTIONAL

3-STATE

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

SNJ54HC692FK

Texas Instruments

DECADE COUNTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

YES

1

CMOS

38535Q/M;38534H;883B

YES

5

5

CHIP CARRIER

LCC20,.35SQ

SYNCHRONOUS

Counters

1.27 mm

125 Cel

BIDIRECTIONAL

3-STATE

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

M38510/31504B2X

Texas Instruments

BINARY COUNTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

TTL

MIL-PRF-38535 Class B

4

YES

5

CHIP CARRIER

SYNCHRONOUS

56 ns

125 Cel

UP

POSITIVE EDGE

-55 Cel

QUAD

22 MHz

S-CQCC-N20

5.5 V

Qualified

4.5 V

LS

SNC54HC190FH

Texas Instruments

DECADE COUNTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

YES

1

CMOS

MIL-STD-883 Class B (Modified)

YES

2/6

CHIP CARRIER

LCC20,.35SQ

ASYNCHRONOUS

Counters

1.27 mm

125 Cel

BIDIRECTIONAL

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

SNC54ALS568AFH

Texas Instruments

DECADE COUNTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

YES

1

TTL

MIL-STD-883 Class B (Modified)

YES

5

5

CHIP CARRIER

LCC20,.35SQ

SYNCHRONOUS

Counters

1.27 mm

125 Cel

BIDIRECTIONAL

3-STATE

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

SNJ54HC393FK

Texas Instruments

BINARY COUNTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

2

21000000 Hz

CMOS

MIL-PRF-38535

4

TUBE

5

2/6

50 pF

CHIP CARRIER

LCC20,.35SQ

ASYNCHRONOUS

430 ns

5.2 Amp

Counters

1.27 mm

125 Cel

UP

NEGATIVE EDGE

-55 Cel

Tin/Lead (Sn/Pb)

QUAD

25 MHz

S-CQCC-N20

6 V

2.03 mm

8.89 mm

Not Qualified

2 V

.08 mA

e0

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

HC/UH

SNJ54AS163FK

Texas Instruments

BINARY COUNTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

65000000 Hz

TTL

38535Q/M;38534H;883B

4

YES

5

5

50 pF

CHIP CARRIER

LCC20,.35SQ

SYNCHRONOUS

14 ns

20 Amp

Counters

1.27 mm

125 Cel

UP

POSITIVE EDGE

-55 Cel

QUAD

65 MHz

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

4.5 V

53 mA

TCO OUTPUT

8.89 mm

AS

76009012A

Texas Instruments

BINARY COUNTER

MILITARY

NO LEAD

16

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

CMOS

38535Q/M;38534H;883B

12

YES

4.5

5

FLATPACK

LCC20,.35SQ

ASYNCHRONOUS

225 ns

Counter

1.27 mm

125 Cel

UP

NEGATIVE EDGE

-55 Cel

DUAL

22 MHz

S-XQCC-N20

6 V

Qualified

2 V

HC/UH

M38510/34301B2X

Texas Instruments

BINARY COUNTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

TTL

MIL-PRF-38535

4

YES

5

CHIP CARRIER

SYNCHRONOUS

11.5 ns

125 Cel

UP

POSITIVE EDGE

-55 Cel

QUAD

70 MHz

S-CQCC-N20

5.5 V

Not Qualified

4.5 V

F/FAST

SNC54ALS560FH

Texas Instruments

DECADE COUNTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

YES

1

TTL

MIL-STD-883 Class B (Modified)

YES

5

5

CHIP CARRIER

LCC20,.35SQ

SYNCHRONOUS

Counters

1.27 mm

125 Cel

UP

3-STATE

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

SNJ54AS163FKR

Texas Instruments

BINARY COUNTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

TTL

4

YES

5

50 pF

CHIP CARRIER

SYNCHRONOUS

14 ns

1.27 mm

125 Cel

UP

POSITIVE EDGE

-55 Cel

QUAD

65 MHz

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

4.5 V

53 mA

TCO OUTPUT

8.89 mm

AS

54F161ALM

Texas Instruments

BINARY COUNTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

TTL

4

YES

5

CHIP CARRIER

SYNCHRONOUS

11.5 ns

1.27 mm

125 Cel

UP

POSITIVE EDGE

-55 Cel

QUAD

75 MHz

S-CQCC-N20

5.5 V

1.905 mm

8.89 mm

4.5 V

8.89 mm

F/FAST

86009012A

Texas Instruments

DECADE COUNTER

MILITARY

NO LEAD

20

QCCN

SQUARE

UNSPECIFIED

YES

4

CMOS

3

YES

4.5

CHIP CARRIER

ASYNCHRONOUS

315 ns

125 Cel

UP

NEGATIVE EDGE

-55 Cel

QUAD

21 MHz

S-XQCC-N20

6 V

2 V

HC/UH

SNJ54HC4020FK-00

Texas Instruments

BINARY COUNTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

CMOS

14

YES

5

50 pF

CHIP CARRIER

ASYNCHRONOUS

45 ns

1.27 mm

125 Cel

UP

NEGATIVE EDGE

-55 Cel

QUAD

19 MHz

S-CQCC-N20

6 V

2.03 mm

8.89 mm

Not Qualified

2 V

OUTPUTS FROM 12 STAGES AVAILABLE

8.89 mm

HC/UH

M38510/31503B2A

Texas Instruments

DECADE COUNTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

22000000 Hz

TTL

MIL-PRF-38535 Class B

4

YES

5

5

CHIP CARRIER

LCC20,.35SQ

SYNCHRONOUS

56 ns

4 Amp

Counters

1.27 mm

125 Cel

UP

POSITIVE EDGE

-55 Cel

QUAD

22 MHz

S-CQCC-N20

5.5 V

Not Qualified

4.5 V

32 mA

NOT SPECIFIED

NOT SPECIFIED

LS

SNC54HC390FH

Texas Instruments

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

YES

2

CMOS

MIL-STD-883 Class B (Modified)

NO

2/6

CHIP CARRIER

LCC20,.35SQ

ASYNCHRONOUS

Counters

1.27 mm

125 Cel

UP

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

SNJ54LS190FK

Texas Instruments

DECADE COUNTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

20000000 Hz

TTL

38535Q/M;38534H;883B

4

YES

5

5

15 pF

CHIP CARRIER

LCC20,.35SQ

SYNCHRONOUS

36 ns

4 Amp

Counters

1.27 mm

125 Cel

BIDIRECTIONAL

POSITIVE EDGE

-55 Cel

QUAD

20 MHz

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

4.5 V

35 mA

TCO OUTPUT

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

LS

SNJ54HC490FK-00

Texas Instruments

DECADE COUNTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

2

CMOS

4

YES

5

50 pF

CHIP CARRIER

ASYNCHRONOUS

71 ns

1.27 mm

125 Cel

UP

NEGATIVE EDGE

-55 Cel

QUAD

21 MHz

S-CQCC-N20

6 V

2.03 mm

8.89 mm

Not Qualified

2 V

8.89 mm

HC/UH

76008012C

Texas Instruments

BINARY COUNTER

MILITARY

NO LEAD

20

QCCN

SQUARE

UNSPECIFIED

YES

1

CMOS

MIL-PRF-38535

4

5

CHIP CARRIER

SYNCHRONOUS

48 ns

125 Cel

BIDIRECTIONAL

POSITIVE EDGE

-55 Cel

QUAD

25 MHz

S-XQCC-N20

5.5 V

4.5 V

LS

SNJ54HC590AFK-00

Texas Instruments

BINARY COUNTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

CMOS

8

YES

5

50 pF

CHIP CARRIER

ASYNCHRONOUS

42 ns

1.27 mm

125 Cel

UP

3-STATE

POSITIVE EDGE

-55 Cel

QUAD

13 MHz

S-CQCC-N20

6 V

2.03 mm

8.89 mm

Not Qualified

2 V

TCO OUTPUT; REGISTERED OUTPUTS

8.89 mm

HC/UH

SNJ54LS191FK

Texas Instruments

BINARY COUNTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

20000000 Hz

TTL

MIL-PRF-38535

4

TUBE

5

5

15 pF

CHIP CARRIER

LCC20,.35SQ

SYNCHRONOUS

36 ns

16 Amp

Counters

1.27 mm

125 Cel

BIDIRECTIONAL

POSITIVE EDGE

-55 Cel

TIN LEAD

QUAD

20 MHz

S-CQCC-N20

5.25 V

2.03 mm

8.89 mm

Not Qualified

4.75 V

35 mA

TCO OUTPUT

e0

8.89 mm

LS

SNJ54ALS161BFKR

Texas Instruments

BINARY COUNTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

TTL

MIL-PRF-38535

4

YES

5

50 pF

CHIP CARRIER

SYNCHRONOUS

25 ns

1.27 mm

125 Cel

UP

POSITIVE EDGE

-55 Cel

QUAD

22 MHz

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

4.5 V

21 mA

TCO OUTPUT

8.89 mm

ALS

76036012X

Texas Instruments

DECADE COUNTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

TTL

MIL-STD-883

4

YES

5

CHIP CARRIER

SYNCHRONOUS

68 ns

125 Cel

BIDIRECTIONAL

POSITIVE EDGE

-55 Cel

QUAD

25 MHz

S-CQCC-N20

5.5 V

4.5 V

LS

SNJ54LV393AFK

Texas Instruments

BINARY COUNTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

2

35000000 Hz

CMOS

MIL-PRF-38535

4

NO

TUBE

2.5

3.3

50 pF

CHIP CARRIER

LCC20,.35SQ

ASYNCHRONOUS

32 ns

6 Amp

Counters

1.27 mm

125 Cel

UP

NEGATIVE EDGE

-55 Cel

QUAD

105 MHz

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

2 V

8.89 mm

LV/LV-A/LVX/H

SNC54HC393FK

Texas Instruments

BINARY COUNTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

YES

2

CMOS

MIL-STD-883 Class B (Modified)

NO

2/6

CHIP CARRIER

LCC20,.35SQ

ASYNCHRONOUS

Counters

1.27 mm

125 Cel

UP

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

SNJ54AS160FKR

Texas Instruments

DECADE COUNTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

TTL

4

YES

5

50 pF

CHIP CARRIER

SYNCHRONOUS

14 ns

1.27 mm

125 Cel

UP

POSITIVE EDGE

-55 Cel

QUAD

65 MHz

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

4.5 V

53 mA

TCO OUTPUT

8.89 mm

AS

SNJ54AS162FK

Texas Instruments

DECADE COUNTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

TTL

4

YES

5

50 pF

CHIP CARRIER

SYNCHRONOUS

14 ns

1.27 mm

125 Cel

UP

POSITIVE EDGE

-55 Cel

QUAD

65 MHz

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

4.5 V

53 mA

TCO OUTPUT

8.89 mm

AS

SNJ54LS160AFK

Texas Instruments

DECADE COUNTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

25000000 Hz

TTL

38535Q/M;38534H;883B

4

YES

5

5

15 pF

CHIP CARRIER

LCC20,.35SQ

SYNCHRONOUS

27 ns

4 Amp

Counters

1.27 mm

125 Cel

UP

POSITIVE EDGE

-55 Cel

QUAD

25 MHz

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

4.5 V

32 mA

TCO OUTPUT

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

LS

SNJ54HC698FK

Texas Instruments

DECADE COUNTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

YES

1

CMOS

38535Q/M;38534H;883B

NO

5

5

CHIP CARRIER

LCC20,.35SQ

SYNCHRONOUS

Counters

1.27 mm

125 Cel

BIDIRECTIONAL

3-STATE

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

SNJ54HC4040FKR

Texas Instruments

BINARY COUNTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

CMOS

MIL-PRF-38535

12

YES

5

50 pF

CHIP CARRIER

ASYNCHRONOUS

225 ns

1.27 mm

125 Cel

UP

NEGATIVE EDGE

-55 Cel

QUAD

22 MHz

S-CQCC-N20

6 V

2.03 mm

8.89 mm

Not Qualified

2 V

8.89 mm

HC/UH

SNJ54HC590AFK

Texas Instruments

BINARY COUNTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

13000000 Hz

CMOS

MIL-PRF-38535

8

TUBE

5

2/6

150 pF

CHIP CARRIER

LCC20,.35SQ

ASYNCHRONOUS

447 ns

7.8 Amp

Counters

1.27 mm

125 Cel

UP

3-STATE

POSITIVE EDGE

-55 Cel

TIN LEAD

QUAD

16 MHz

S-CQCC-N20

6 V

2.03 mm

8.89 mm

Not Qualified

2 V

.08 mA

RCO OUTPUT; REGISTERED OUTPUTS

e0

8.89 mm

HC/UH

SNJ54LS192FK

Texas Instruments

DECADE COUNTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

25000000 Hz

TTL

38535Q/M;38534H;883B

4

YES

5

5

15 pF

CHIP CARRIER

LCC20,.35SQ

SYNCHRONOUS

47 ns

4 Amp

Counters

1.27 mm

125 Cel

BIDIRECTIONAL

POSITIVE EDGE

-55 Cel

QUAD

25 MHz

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

4.5 V

34 mA

TCO UP AND TCO DOWN OUTPUTS; SEPARATE UP/DOWN CLOCK

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

LS

SNJ54ALS190FKR

Texas Instruments

DECADE COUNTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

TTL

4

YES

5

50 pF

CHIP CARRIER

SYNCHRONOUS

26 ns

1.27 mm

125 Cel

BIDIRECTIONAL

POSITIVE EDGE

-55 Cel

QUAD

20 MHz

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

4.5 V

22 mA

TCO OUTPUT

8.89 mm

ALS

SNJ54AS168FK

Texas Instruments

DECADE COUNTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

TTL

38535Q/M;38534H;883B

4

YES

5

50 pF

CHIP CARRIER

LCC20,.35SQ

SYNCHRONOUS

14 ns

Counters

1.27 mm

125 Cel

BIDIRECTIONAL

POSITIVE EDGE

-55 Cel

QUAD

65 MHz

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

4.5 V

63 mA

TCO OUTPUT

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

AS

MM54HC393E/883

Texas Instruments

BINARY COUNTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

2

CMOS

MIL-STD-883

4

YES

5

CHIP CARRIER

ASYNCHRONOUS

290 ns

1.27 mm

125 Cel

UP

NEGATIVE EDGE

-55 Cel

QUAD

S-CQCC-N20

6 V

1.905 mm

8.89 mm

Not Qualified

2 V

8.89 mm

HC/UH

SNJ54AS169FH

Texas Instruments

BINARY COUNTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

YES

1

65000000 Hz

TTL

38535Q/M;38534H;883B

YES

5

5

CHIP CARRIER

LCC20,.35SQ

SYNCHRONOUS

20 Amp

Counters

1.27 mm

125 Cel

BIDIRECTIONAL

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

63 mA

SNJ54HC4024FK-00

Texas Instruments

BINARY COUNTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

CMOS

7

YES

5

50 pF

CHIP CARRIER

ASYNCHRONOUS

36 ns

1.27 mm

125 Cel

UP

NEGATIVE EDGE

-55 Cel

QUAD

19 MHz

S-CQCC-N20

6 V

2.03 mm

8.89 mm

Not Qualified

2 V

8.89 mm

HC/UH

SNJ54ALS190FH

Texas Instruments

DECADE COUNTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

YES

1

TTL

38535Q/M;38534H;883B

YES

5

5

CHIP CARRIER

LCC20,.35SQ

SYNCHRONOUS

Counters

1.27 mm

125 Cel

BIDIRECTIONAL

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

54F163ALMQB

Texas Instruments

BINARY COUNTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

TTL

4

YES

5

CHIP CARRIER

SYNCHRONOUS

11.5 ns

1.27 mm

125 Cel

UP

POSITIVE EDGE

-55 Cel

QUAD

75 MHz

S-CQCC-N20

5.5 V

1.905 mm

8.89 mm

4.5 V

8.89 mm

F/FAST

SNJ54LS693FK

Texas Instruments

BINARY COUNTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

TTL

38535Q/M;38534H;883B

4

YES

5

45 pF

CHIP CARRIER

LCC20,.35SQ

SYNCHRONOUS

25 ns

Counters

1.27 mm

125 Cel

UP

3-STATE

POSITIVE EDGE

-55 Cel

QUAD

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

4.5 V

70 mA

REGISTER/COUNTER OUTPUT SELECT; TCO OUTPUT; REGISTERED OUTPUTS

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

LS

SNJ54S197FK

Texas Instruments

BINARY COUNTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

2

TTL

38535Q/M;38534H;883B

3

YES

5

15 pF

CHIP CARRIER

LCC20,.35SQ

ASYNCHRONOUS

33 ns

Counters

1.27 mm

125 Cel

UP

NEGATIVE EDGE

-55 Cel

QUAD

100 MHz

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

4.5 V

110 mA

DIVIDE BY 2 AND DIVIDE BY 8 FUNCTIONS

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

S

M38510/66302B2A

Texas Instruments

BINARY COUNTER

MILITARY

NO LEAD

20

QCCN

SQUARE

UNSPECIFIED

YES

1

CMOS

MIL-M-38510 Class B

4

YES

4.5

CHIP CARRIER

SYNCHRONOUS

48 ns

125 Cel

UP

POSITIVE EDGE

-55 Cel

QUAD

21 MHz

S-XQCC-N20

6 V

Not Qualified

2 V

HC/UH

SNC54HC490FK

Texas Instruments

DECADE COUNTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

YES

2

CMOS

MIL-STD-883 Class B (Modified)

NO

CHIP CARRIER

LCC20,.35SQ

ASYNCHRONOUS

Counters

1.27 mm

125 Cel

UP

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

76008012A

Texas Instruments

BINARY COUNTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

14000000 Hz

TTL

MIL-STD-883

4

TUBE

5

5

CHIP CARRIER

LCC20,.35SQ

SYNCHRONOUS

48 ns

8 Amp

Counter

1.27 mm

125 Cel

UP

POSITIVE EDGE

-55 Cel

TIN LEAD

QUAD

25 MHz

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Qualified

4.5 V

32 mA

e0

8.89 mm

LS

54AC11190FK

Texas Instruments

DECADE COUNTER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

CMOS

4

YES

5

3.3/5

50 pF

CHIP CARRIER

LCC20,.35SQ

SYNCHRONOUS

24 Amp

Counters

1.27 mm

125 Cel

BIDIRECTIONAL

POSITIVE EDGE

-55 Cel

QUAD

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

3 V

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

AC

Digital Counters

Digital counters are electronic circuits that can be used to count and keep track of the number of events or occurrences in a digital system. They are commonly used in digital systems to generate timing signals, to control sequencing, and to implement digital control functions.

Digital counters can be designed using various technologies, including transistor-transistor logic (TTL), complementary metal-oxide-semiconductor (CMOS), and field-programmable gate arrays (FPGAs). They can also be designed using various types of flip-flops, such as D flip-flops, JK flip-flops, and T flip-flops.

Digital counters can be classified into two main types: synchronous counters and asynchronous counters. Synchronous counters use a common clock signal to synchronize the operation of all the flip-flops in the counter. Asynchronous counters, on the other hand, do not use a common clock signal and rely on the propagation delay of the flip-flops to sequence their operation.

Digital counters can also be classified based on their counting sequence. They can count up, down, or both up and down, depending on the application. Up counters increment the count each time an input pulse is received, while down counters decrement the count each time an input pulse is received. Up-down counters can count both up and down, depending on the direction of the input signal.

Digital counters can be used in various applications, including frequency division, time delay generation, event counting, and sequence control. They can be used to generate timing signals for clocking digital circuits, to control the sequencing of operations in a digital system, and to implement digital control functions, such as shift registers and sequence generators.