84 Memory Controllers 12

Reset All
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

DP8422AV-25

Texas Instruments

MEMORY CONTROLLER, DRAM

COMMERCIAL

J BEND

84

QCCJ

SQUARE

PLASTIC/EPOXY

YES

5.5 V

22

5

CHIP CARRIER

LDCC84,1.2SQ

4.5 V

70 Cel

0 Cel

TIN LEAD

QUAD

5.08 mm

29.3116 mm

NO

0

25 MHz

29.3116 mm

CMOS

95 mA

5 V

4M X 1

4

Memory Controllers

1.27 mm

S-PQCC-J84

Not Qualified

YES

e0

DP8422AV-20

Texas Instruments

MEMORY CONTROLLER, DRAM

COMMERCIAL

J BEND

84

QCCJ

SQUARE

PLASTIC/EPOXY

YES

5.5 V

22

5

CHIP CARRIER

LDCC84,1.2SQ

4.5 V

70 Cel

0 Cel

TIN LEAD

QUAD

5.08 mm

29.3116 mm

NO

0

20 MHz

29.3116 mm

CMOS

75 mA

5 V

4M X 1

4

Memory Controllers

1.27 mm

S-PQCC-J84

Not Qualified

YES

e0

DP8422V-33

Texas Instruments

MEMORY CONTROLLER, DRAM

COMMERCIAL

J BEND

84

QCCJ

SQUARE

PLASTIC/EPOXY

YES

5.5 V

22

5

CHIP CARRIER

LDCC84,1.2SQ

4.5 V

70 Cel

0 Cel

TIN LEAD

QUAD

5.08 mm

29.3116 mm

NO

0

33.33 MHz

29.3116 mm

CMOS

150 mA

5 V

4M X 1

4

Memory Controllers

1.27 mm

S-PQCC-J84

Not Qualified

YES

e0

DP84T22-25

Texas Instruments

MEMORY CONTROLLER, DRAM

COMMERCIAL

J BEND

84

QCCJ

SQUARE

PLASTIC/EPOXY

YES

5.5 V

22

5

CHIP CARRIER

LDCC84,1.2SQ

4.5 V

70 Cel

0 Cel

TIN LEAD

QUAD

5.08 mm

29.3116 mm

NO

0

25 MHz

29.3116 mm

CMOS

90 mA

5 V

4M X 1

4

Memory Controllers

1.27 mm

S-PQCC-J84

Not Qualified

YES

e0

SAB82C212-12-N

Infineon Technologies

COMMERCIAL

J BEND

84

QCCJ

SQUARE

PLASTIC/EPOXY

YES

5

CHIP CARRIER

LDCC84,1.2SQ

70 Cel

0 Cel

Tin/Lead (Sn/Pb)

QUAD

CMOS

5 V

Memory Controllers

1.27 mm

S-PQCC-J84

Not Qualified

e0

SAB82C212-16-N

Infineon Technologies

COMMERCIAL

J BEND

84

QCCJ

SQUARE

PLASTIC/EPOXY

YES

5

CHIP CARRIER

LDCC84,1.2SQ

70 Cel

0 Cel

Tin/Lead (Sn/Pb)

QUAD

CMOS

75 mA

5 V

Memory Controllers

1.27 mm

S-PQCC-J84

Not Qualified

e0

KS84C32-25CL

Samsung

MEMORY CONTROLLER, DRAM

COMMERCIAL

J BEND

84

QCCJ

SQUARE

PLASTIC/EPOXY

YES

5.25 V

22

5

CHIP CARRIER

LDCC84,1.2SQ

4.75 V

70 Cel

0 Cel

TIN LEAD

QUAD

4.57 mm

29.2862 mm

NO

0

29.2862 mm

CMOS

125 mA

5 V

4

Memory Controllers

MC68030; MC68040; 80486

1.27 mm

S-PQCC-J84

Not Qualified

NO

e0

KS84C32-33CL

Samsung

MEMORY CONTROLLER, DRAM

COMMERCIAL

J BEND

84

QCCJ

SQUARE

PLASTIC/EPOXY

YES

5.25 V

22

5

CHIP CARRIER

LDCC84,1.2SQ

4.75 V

70 Cel

0 Cel

TIN LEAD

QUAD

4.57 mm

29.2862 mm

NO

0

29.2862 mm

CMOS

125 mA

5 V

4

Memory Controllers

MC68030; MC68040; 80486

1.27 mm

S-PQCC-J84

Not Qualified

NO

e0

KS84C32-33

Samsung

COMMERCIAL

J BEND

84

QCCJ

SQUARE

PLASTIC/EPOXY

YES

5

CHIP CARRIER

LDCC84,1.2SQ

70 Cel

0 Cel

Tin/Lead (Sn/Pb)

QUAD

CMOS

82.5 mA

5 V

Memory Controllers

1.27 mm

S-PQCC-J84

Not Qualified

e0

KS84C22-25CL

Samsung

COMMERCIAL

J BEND

84

QCCJ

SQUARE

PLASTIC/EPOXY

YES

5

CHIP CARRIER

LDCC84,1.2SQ

70 Cel

0 Cel

Tin/Lead (Sn/Pb)

QUAD

CMOS

62.5 mA

5 V

Memory Controllers

1.27 mm

S-PQCC-J84

Not Qualified

e0

KS84C32-25

Samsung

COMMERCIAL

J BEND

84

QCCJ

SQUARE

PLASTIC/EPOXY

YES

5

CHIP CARRIER

LDCC84,1.2SQ

70 Cel

0 Cel

Tin/Lead (Sn/Pb)

QUAD

CMOS

62.5 mA

5 V

Memory Controllers

1.27 mm

S-PQCC-J84

Not Qualified

e0

KS84C32-40CL

Samsung

MEMORY CONTROLLER, DRAM

COMMERCIAL

J BEND

84

QCCJ

SQUARE

PLASTIC/EPOXY

YES

5.25 V

22

5

CHIP CARRIER

LDCC84,1.2SQ

4.75 V

70 Cel

0 Cel

TIN LEAD

QUAD

4.57 mm

29.2862 mm

NO

0

29.2862 mm

CMOS

125 mA

5 V

4

Memory Controllers

MC68030; MC68040; 80486

1.27 mm

S-PQCC-J84

Not Qualified

NO

e0

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.