GULL WING Memory Controllers 15

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Part RoHS Manufacturer Peripheral IC Type Temperature Grade Terminal Form No. of Terminals Package Code Package Shape Package Body Material Surface Mount Maximum Supply Voltage Screening Level Address Bus Width Power Supplies (V) Package Style (Meter) Package Equivalence Code Minimum Supply Voltage Maximum Operating Temperature Minimum Operating Temperature Terminal Finish Terminal Position Maximum Seated Height Width Additional Features Boundary Scan External Data Bus Width Maximum Clock Frequency Maximum Time At Peak Reflow Temperature (s) Peak Reflow Temperature (C) Length Technology Maximum Supply Current Nominal Supply Voltage Memory Organization No. of Banks Sub-Category Bus Compatibility Terminal Pitch JESD-30 Code Moisture Sensitivity Level (MSL) Qualification Low Power Mode JESD-609 Code

SN74LS603ADW3

Texas Instruments

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

5

SMALL OUTLINE

SOP20,.4

70 Cel

0 Cel

DUAL

TTL

85 mA

5 V

Memory Controllers

1.27 mm

R-PDSO-G20

TACT83442-20

Texas Instruments

COMMERCIAL

GULL WING

100

QFP

RECTANGULAR

PLASTIC/EPOXY

YES

5

FLATPACK

QFP100,.7X1.0

70 Cel

0 Cel

QUAD

CMOS

.1 mA

5 V

Memory Controllers

.635 mm

R-PQFP-G100

Not Qualified

SN74LS602ADW3

Texas Instruments

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

5

SMALL OUTLINE

SOP20,.4

70 Cel

0 Cel

DUAL

TTL

85 mA

5 V

Memory Controllers

1.27 mm

R-PDSO-G20

TACT83442-33

Texas Instruments

COMMERCIAL

GULL WING

100

QFP

RECTANGULAR

PLASTIC/EPOXY

YES

5

FLATPACK

QFP100,.7X1.0

70 Cel

0 Cel

QUAD

CMOS

.1 mA

5 V

Memory Controllers

.635 mm

R-PQFP-G100

Not Qualified

SN74LS602ADWR

Texas Instruments

MEMORY CONTROLLER, DRAM

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

5.25 V

7

SMALL OUTLINE

4.75 V

70 Cel

0 Cel

DUAL

2.65 mm

7.5 mm

NO

0

12.8 mm

TTL

5 V

16K X 1

1

1.27 mm

R-PDSO-G20

Not Qualified

NO

SN74LS602ADW

Texas Instruments

MEMORY CONTROLLER, DRAM

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

5.25 V

7

5

SMALL OUTLINE

SOP20,.4

4.75 V

70 Cel

0 Cel

DUAL

2.65 mm

7.5 mm

NO

0

NOT SPECIFIED

NOT SPECIFIED

12.8 mm

TTL

85 mA

5 V

16K X 1

1

Memory Controllers

1.27 mm

R-PDSO-G20

Not Qualified

NO

NSBMC096VF33

Texas Instruments

MEMORY CONTROLLER, DRAM

COMMERCIAL

GULL WING

132

GQFP

SQUARE

PLASTIC/EPOXY

YES

5.5 V

29

5

FLATPACK, GUARD RING

SPQFP132,1.1SQ

4.5 V

70 Cel

0 Cel

Tin/Lead (Sn/Pb)

QUAD

4.45 mm

24.13 mm

NO

0

24.13 mm

CMOS

100 mA

5 V

16M X 1

4

Memory Controllers

I960CA; I960CF

.8 mm

S-PQFP-G132

Not Qualified

NO

e0

SN74LS600ADW3

Texas Instruments

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

5

SMALL OUTLINE

SOP20,.4

70 Cel

0 Cel

DUAL

TTL

85 mA

5 V

Memory Controllers

1.27 mm

R-PDSO-G20

SN74LS601ADW3

Texas Instruments

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

5

SMALL OUTLINE

SOP20,.4

70 Cel

0 Cel

DUAL

TTL

85 mA

5 V

Memory Controllers

1.27 mm

R-PDSO-G20

TACT83442-25

Texas Instruments

COMMERCIAL

GULL WING

100

QFP

RECTANGULAR

PLASTIC/EPOXY

YES

5

FLATPACK

QFP100,.7X1.0

70 Cel

0 Cel

QUAD

CMOS

.1 mA

5 V

Memory Controllers

.635 mm

R-PQFP-G100

Not Qualified

TC86R4021F

Toshiba

MEMORY CONTROLLER, CACHE

GULL WING

16

QFP

SQUARE

PLASTIC/EPOXY

YES

FLATPACK

QUAD

4.45 mm

28 mm

NO

0

28 mm

CMOS

3.3 V

.65 mm

S-PQFP-G16

Not Qualified

NO

TC86R4022F

Toshiba

MEMORY CONTROLLER, CACHE

GULL WING

16

QFP

SQUARE

PLASTIC/EPOXY

YES

FLATPACK

QUAD

4.45 mm

28 mm

NO

0

28 mm

CMOS

3.3 V

.65 mm

S-PQFP-G16

Not Qualified

NO

TC6371AF

Toshiba

COMMERCIAL

GULL WING

128

QFP

SQUARE

PLASTIC/EPOXY

YES

3.3

FLATPACK

QFP128,.64SQ,16

70 Cel

0 Cel

QUAD

CMOS

75 mA

3.3 V

Memory Controllers

.4 mm

S-PQFP-G128

Not Qualified

UPD31442

Renesas Electronics

GULL WING

240

QFP

SQUARE

PLASTIC/EPOXY

YES

3.3

FLATPACK

QFP240,1.3SQ,20

Tin/Lead (Sn/Pb)

QUAD

3.3 V

Memory Controllers

.5 mm

S-PQFP-G240

Not Qualified

e0

S3C49F9XX-TX

Samsung

COMMERCIAL

GULL WING

100

QFP

SQUARE

PLASTIC/EPOXY

YES

3.3/5

FLATPACK

TQFP100,.63SQ

70 Cel

0 Cel

QUAD

CMOS

70 mA

Memory Controllers

.5 mm

S-PQFP-G100

Not Qualified

Memory Controllers

Memory controllers are specialized electronic circuits that manage the flow of data between a CPU and memory modules. These circuits are typically found on motherboards or embedded systems and are responsible for controlling the timing and data transfer rates between the CPU and memory modules.

Memory controllers are designed to work with specific types of memory modules, such as dynamic random access memory (DRAM), synchronous dynamic random access memory (SDRAM), or double data rate (DDR) memory. They are responsible for configuring the memory modules and managing the transfer of data between the CPU and memory.

Memory controllers use a variety of techniques to optimize the performance of memory access, including prefetching, pipelining, and cache management. Prefetching involves retrieving data from memory before it is requested by the CPU, while pipelining involves overlapping memory operations to reduce the latency of memory access. Cache management involves using on-chip cache memory to store frequently accessed data, reducing the need to access main memory.

Memory controllers are essential components of modern computer systems, as they play a critical role in determining the overall performance of the system. They are responsible for managing the flow of data between the CPU and memory modules, optimizing memory access, and ensuring the reliability and stability of the system.