QCCN Prescaler & Multivibrators 73

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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 Packing Method Nominal Supply Voltage / Vsup (V) Power Supplies (V) Load Capacitance (CL) Package Style (Meter) Package Equivalence Code Propagation Delay (tpd) Maximum I (ol) Sub-Category Terminal Pitch Maximum Operating Temperature Output Characteristics Minimum Operating Temperature No. of Data/Clock Inputs Terminal Finish Terminal Position Minimum fmax JESD-30 Code Moisture Sensitivity Level (MSL) Maximum Supply Voltage (Vsup) Maximum Seated Height Width Qualification Output Polarity 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

JM38510/31401B2A

Texas Instruments

MONOSTABLE MULTIVIBRATOR

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

2

TTL

MIL-M-38510 Class B

5

CHIP CARRIER

56 ns

4 Amp

1.27 mm

125 Cel

-55 Cel

2

Tin/Lead (Sn/Pb)

QUAD

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

COMPLEMENTARY

4.5 V

20 mA

RETRIGGERABLE; TRIGGERABLE FROM CLEAR INPUT ALSO

e0

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

LS

SN54LS123FK

Texas Instruments

MONOSTABLE MULTIVIBRATOR

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

2

TTL

5

5

15 pF

CHIP CARRIER

LCC20,.35SQ

56 ns

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

2

QUAD

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

COMPLEMENTARY

4.5 V

20 mA

RETRIGGERABLE

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

LS

SNC54HC221FH

Texas Instruments

MONOSTABLE MULTIVIBRATOR

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

YES

CMOS

MIL-STD-883 Class B (Modified)

2/6

CHIP CARRIER

LCC20,.35SQ

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

SNJ54LS122FK

Texas Instruments

MONOSTABLE MULTIVIBRATOR

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

TTL

38535Q/M;38534H;883B

5

5

15 pF

CHIP CARRIER

LCC20,.35SQ

56 ns

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

4

QUAD

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

COMPLEMENTARY

4.5 V

11 mA

RETRIGGERABLE

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

LS

SNJ54LS294FK

Texas Instruments

PRESCALER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

TTL

38535Q/M;38534H;883B

5

CHIP CARRIER

LCC20,.35SQ

120 ns

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

2

QUAD

30 MHz

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

4.5 V

50 mA

SELECTABLE DIVISION RATIO 2 TO THE POWER OF 2 TO 2 TO THE POWER OF15

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

LS

M38510/31402B2A

Texas Instruments

MONOSTABLE MULTIVIBRATOR

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

YES

2

TTL

MIL-PRF-38535 Class B

2

TUBE

5

5

CHIP CARRIER

LCC20,.35SQ

128 ns

4 Amp

Prescaler/Multivibrator

1.27 mm

125 Cel

-55 Cel

2

Tin/Lead (Sn/Pb)

QUAD

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Qualified

COMPLEMENTARY

4.5 V

27 mA

e0

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

LS

SN54HC221FK

Texas Instruments

MONOSTABLE MULTIVIBRATOR

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

YES

CMOS

2/6

CHIP CARRIER

LCC20,.35SQ

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

M38510/31402B2X

Texas Instruments

MONOSTABLE MULTIVIBRATOR

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

2

TTL

MIL-M-38510 Class B

5

CHIP CARRIER

128 ns

125 Cel

-55 Cel

2

QUAD

S-CQCC-N20

5.5 V

Qualified

COMPLEMENTARY

4.5 V

LS

SNC54HC423FH

Texas Instruments

MONOSTABLE MULTIVIBRATOR

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

YES

CMOS

MIL-STD-883 Class B (Modified)

2/6

CHIP CARRIER

LCC20,.35SQ

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

SN54LS422FK

Texas Instruments

MONOSTABLE MULTIVIBRATOR

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

TTL

5

15 pF

CHIP CARRIER

LCC20,.35SQ

56 ns

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

4

QUAD

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

COMPLEMENTARY

4.5 V

11 mA

RETRIGGERABLE; OPTIONAL INTERNAL TIMING RESISTOR

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

LS

SN54HC292FH

Texas Instruments

PRESCALER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

YES

CMOS

2/6

CHIP CARRIER

LCC20,.35SQ

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

SNJ54LV123AFK

Texas Instruments

MONOSTABLE MULTIVIBRATOR

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

2

CMOS

MIL-PRF-38535

2.5

3.3

CHIP CARRIER

LCC20,.35SQ

42 ns

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

2

QUAD

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

COMPLEMENTARY

2 V

EDGE TRIGGERED FROM ACTIVE-HIGH OR ACTIVE-LOW GATED LOGIC INPUTS

8.89 mm

LV/LV-A/LVX/H

SN54LS292FK

Texas Instruments

PRESCALER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

TTL

5

CHIP CARRIER

LCC20,.35SQ

120 ns

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

2

QUAD

30 MHz

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

4.5 V

75 mA

SELECTABLE DIVISION RATIO 2 TO THE POWER OF 2 TO 2 TO THE POWER OF 31

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

LS

SNJ54HC292FK

Texas Instruments

PRESCALER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

YES

CMOS

38535Q/M;38534H;883B

2/6

CHIP CARRIER

LCC20,.35SQ

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

SN54LS122FK

Texas Instruments

MONOSTABLE MULTIVIBRATOR

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

TTL

5

5

15 pF

CHIP CARRIER

LCC20,.35SQ

56 ns

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

4

QUAD

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

COMPLEMENTARY

4.5 V

11 mA

RETRIGGERABLE

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

LS

SNJ54LS422FK

Texas Instruments

MONOSTABLE MULTIVIBRATOR

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

TTL

38535Q/M;38534H;883B

5

15 pF

CHIP CARRIER

LCC20,.35SQ

56 ns

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

4

QUAD

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

COMPLEMENTARY

4.5 V

11 mA

RETRIGGERABLE; OPTIONAL INTERNAL TIMING RESISTOR

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

LS

SNJ54HC123FH

Texas Instruments

MONOSTABLE MULTIVIBRATOR

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

YES

CMOS

38535Q/M;38534H;883B

2/6

CHIP CARRIER

LCC20,.35SQ

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

SN54AHC123AFK

Texas Instruments

MONOSTABLE MULTIVIBRATOR

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

2

CMOS

3.3

CHIP CARRIER

27.5 ns

1.27 mm

125 Cel

-55 Cel

2

QUAD

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

COMPLEMENTARY

2 V

RETRIGGERABLE; TRIGGERABLE FROM CLEAR INPUT ALSO

8.89 mm

AHC

SN54LS294FK

Texas Instruments

PRESCALER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

TTL

5

CHIP CARRIER

LCC20,.35SQ

120 ns

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

2

QUAD

30 MHz

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

4.5 V

50 mA

SELECTABLE DIVISION RATIO 2 TO THE POWER OF 2 TO 2 TO THE POWER OF15

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

LS

SNC54HC123FK

Texas Instruments

MONOSTABLE MULTIVIBRATOR

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

YES

CMOS

MIL-STD-883 Class B (Modified)

2/6

CHIP CARRIER

LCC20,.35SQ

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

SN54HC292FK

Texas Instruments

PRESCALER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

YES

CMOS

2/6

CHIP CARRIER

LCC20,.35SQ

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

SNJ54HC294FK

Texas Instruments

PRESCALER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

YES

CMOS

38535Q/M;38534H;883B

2/6

CHIP CARRIER

LCC20,.35SQ

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

SN54HC123FK

Texas Instruments

MONOSTABLE MULTIVIBRATOR

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

YES

CMOS

2/6

CHIP CARRIER

LCC20,.35SQ

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

SN54LV123AFKR

Texas Instruments

MONOSTABLE MULTIVIBRATOR

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

2

CMOS

2.5

CHIP CARRIER

37 ns

1.27 mm

125 Cel

-55 Cel

2

QUAD

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

COMPLEMENTARY

2 V

8.89 mm

TTL/H/L

SNC54HC123FH

Texas Instruments

MONOSTABLE MULTIVIBRATOR

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

YES

CMOS

MIL-STD-883 Class B (Modified)

2/6

CHIP CARRIER

LCC20,.35SQ

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

SN54HC294FK

Texas Instruments

PRESCALER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

YES

CMOS

2/6

CHIP CARRIER

LCC20,.35SQ

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

SNJ54AHCT123AFK

Texas Instruments

MONOSTABLE MULTIVIBRATOR

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

2

CMOS

MIL-PRF-38535

2

TUBE

5

5

50 pF

CHIP CARRIER

LCC20,.35SQ

14 ns

8 Amp

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

2

Tin/Lead (Sn/Pb)

QUAD

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

COMPLEMENTARY

4.5 V

.04 mA

EDGE TRIGGERED FROM ACTIVE-HIGH OR ACTIVE-LOW GATED LOGIC INPUTS

e0

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

AHCT/VHCT/VT

SNJ54HC4538FH

Texas Instruments

MONOSTABLE MULTIVIBRATOR

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

YES

CMOS

38535Q/M;38534H;883B

2/6

CHIP CARRIER

LCC20,.35SQ

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

SNJ54LV221AFK

Texas Instruments

MONOSTABLE MULTIVIBRATOR

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

2

CMOS

MIL-PRF-38535

2.5

3.3

CHIP CARRIER

LCC20,.35SQ

42 ns

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

2

QUAD

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

COMPLEMENTARY

2 V

8.89 mm

LV/LV-A/LVX/H

SN54AHCT123AFK

Texas Instruments

MONOSTABLE MULTIVIBRATOR

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

2

CMOS

5

CHIP CARRIER

14 ns

1.27 mm

125 Cel

-55 Cel

2

QUAD

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

COMPLEMENTARY

4.5 V

8.89 mm

AHCT/VHCT

SNJ54HC423FH

Texas Instruments

MONOSTABLE MULTIVIBRATOR

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

YES

CMOS

38535Q/M;38534H;883B

2/6

CHIP CARRIER

LCC20,.35SQ

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

M38510/31401B2A

Texas Instruments

MONOSTABLE MULTIVIBRATOR

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

2

TTL

MIL-PRF-38535 Class B

2

TUBE

5

5

15 pF

CHIP CARRIER

LCC20,.35SQ

92 ns

4 Amp

Prescaler/Multivibrator

1.27 mm

125 Cel

-55 Cel

2

Tin/Lead (Sn/Pb)

QUAD

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Qualified

COMPLEMENTARY

4.5 V

20 mA

e0

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

LS

SNJ54HC221FH

Texas Instruments

MONOSTABLE MULTIVIBRATOR

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

YES

CMOS

38535Q/M;38534H;883B

2/6

CHIP CARRIER

LCC20,.35SQ

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

SNC54HC423FK

Texas Instruments

MONOSTABLE MULTIVIBRATOR

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

YES

CMOS

MIL-STD-883 Class B (Modified)

2/6

CHIP CARRIER

LCC20,.35SQ

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

SN54HC423FK

Texas Instruments

MONOSTABLE MULTIVIBRATOR

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

YES

CMOS

2/6

CHIP CARRIER

LCC20,.35SQ

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

76042012A

Texas Instruments

MONOSTABLE MULTIVIBRATOR

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

YES

2

TTL

MIL-PRF-38535

2

TUBE

5

5

CHIP CARRIER

LCC20,.35SQ

128 ns

4 Amp

Prescaler/Multivibrator

1.27 mm

125 Cel

-55 Cel

2

Tin/Lead (Sn/Pb)

QUAD

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Qualified

COMPLEMENTARY

4.5 V

27 mA

NON-RETRIGGERABLE; TRIGGERABLE FROM CLEAR INPUT ALSO

e0

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

LS

SNJ54HC423FK

Texas Instruments

MONOSTABLE MULTIVIBRATOR

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

YES

CMOS

38535Q/M;38534H;883B

2/6

CHIP CARRIER

LCC20,.35SQ

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

SN54HC294FH

Texas Instruments

PRESCALER

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

YES

CMOS

2/6

CHIP CARRIER

LCC20,.35SQ

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

SN54AHC123AFKR

Texas Instruments

MONOSTABLE MULTIVIBRATOR

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

2

CMOS

3.3

CHIP CARRIER

27.5 ns

1.27 mm

125 Cel

-55 Cel

2

QUAD

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

COMPLEMENTARY

2 V

RETRIGGERABLE; TRIGGERABLE FROM CLEAR INPUT ALSO

8.89 mm

AHC

SN54HC123FH

Texas Instruments

MONOSTABLE MULTIVIBRATOR

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

YES

CMOS

2/6

CHIP CARRIER

LCC20,.35SQ

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

SN54LV221AFK

Texas Instruments

MONOSTABLE MULTIVIBRATOR

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

2

CMOS

2.5

CHIP CARRIER

42 ns

1.27 mm

125 Cel

-55 Cel

2

QUAD

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

COMPLEMENTARY

2 V

8.89 mm

LV/LV-A/LVX/H

SN54LS423FK

Texas Instruments

MONOSTABLE MULTIVIBRATOR

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

2

TTL

5

5

15 pF

CHIP CARRIER

LCC20,.35SQ

56 ns

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

2

QUAD

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

COMPLEMENTARY

4.5 V

20 mA

RETRIGGERABLE; MIN OUTPUT PULSE WIDTH = 116NS @ REXT = 5K OHM & CEXT = 0

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

LS

SN54HC221FH

Texas Instruments

MONOSTABLE MULTIVIBRATOR

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

YES

CMOS

2/6

CHIP CARRIER

LCC20,.35SQ

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

SN54HC423FH

Texas Instruments

MONOSTABLE MULTIVIBRATOR

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

YES

CMOS

2/6

CHIP CARRIER

LCC20,.35SQ

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

SN54LV123AFK

Texas Instruments

MONOSTABLE MULTIVIBRATOR

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

2

CMOS

2.5

CHIP CARRIER

37 ns

1.27 mm

125 Cel

-55 Cel

2

QUAD

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

COMPLEMENTARY

2 V

8.89 mm

TTL/H/L

SN54LS221FK

Texas Instruments

MONOSTABLE MULTIVIBRATOR

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

2

TTL

5

5

15 pF

CHIP CARRIER

LCC20,.35SQ

80 ns

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

2

QUAD

S-CQCC-N20

5.5 V

2.03 mm

8.89 mm

Not Qualified

COMPLEMENTARY

4.5 V

27 mA

NON-RETRIGGERABLE; TRIGGERABLE FROM CLEAR INPUT ALSO

NOT SPECIFIED

NOT SPECIFIED

8.89 mm

LS

SNC54HC221FK

Texas Instruments

MONOSTABLE MULTIVIBRATOR

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

YES

CMOS

MIL-STD-883 Class B (Modified)

2/6

CHIP CARRIER

LCC20,.35SQ

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

SN54HC4538FH

Texas Instruments

MONOSTABLE MULTIVIBRATOR

MILITARY

NO LEAD

20

QCCN

SQUARE

CERAMIC

YES

CMOS

2/6

CHIP CARRIER

LCC20,.35SQ

Prescaler/Multivibrators

1.27 mm

125 Cel

-55 Cel

QUAD

S-XQCC-N20

Not Qualified

Prescaler & Multivibrators

Prescalers and multivibrators are electronic circuits used in digital systems for various purposes.

A prescaler is a digital circuit that divides the frequency of an input signal by a certain factor to produce a lower frequency output signal. Prescalers are used in frequency synthesizers, where a high-frequency signal needs to be divided down to a lower frequency for further processing. Prescalers can be designed using various technologies, including TTL, CMOS, and FPGAs.

A multivibrator is a digital circuit that can generate a square wave output signal with a specified frequency and duty cycle. Multivibrators can be classified into two types: astable multivibrators and monostable multivibrators. Astable multivibrators can generate a continuous square wave output signal without any external triggering, while monostable multivibrators can generate a single pulse output signal in response to an external trigger signal.

Astable multivibrators are commonly used in digital systems to generate clock signals for synchronous circuits. They can also be used in digital signal processing applications, such as frequency modulation and pulse width modulation.

Monostable multivibrators are commonly used in digital systems to generate pulse signals for timing and control purposes. They can also be used in electronic circuits for pulse shaping and pulse stretching.

Prescalers and multivibrators are essential components of digital systems and can be found in many electronic devices, such as computers, mobile phones, and digital cameras.