Datasheet > HMS12832M4-10

HMS12832M4-10

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
HANBIT		静态存储器
页数	文件大小	规格书
9页	196K
描述
SRAM MODULE 512KByte (128K x 32-Bit)

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HMS12832M4-10 数据手册

HANBit

HMS12832M4

H A N

SRAM MODULE 512KByte (128K x 32-Bit)

B I T

HMS12832M4

Part No.

GENERAL DESCRIPTION

The HMS12832M4 is a high-speed static random access memory (SRAM) module containing 131,072 words

organized in a x32-bit configuration. The module consists of four 128K x 8 SRAMs mounted on a 64-pin, single-

sided, FR4-printed circuit board.

PD0 and PD1 identify the module’s density allowing interchangeable use of alternate density, industry- standard

modules. Four chip enable inputs, (/CE1, /CE2, /CE3 and /CE4) are used to enable the module’s 4 bytes

independently. Output enable(/OE) and write enable(/WE) can set the memory input and output.

Data is written into the SRAM memory when write enable (/WE) and chip enable (/CE) inputs are both LOW.

Reading is accomplished when /WE remains HIGH and /CE and output enable (/OE) are LOW.

For reliability, this SRAM module is designed as multiple power and ground pin. All module components may be

powered from a single +5V DC power supply and all inputs and outputs are fully TTL-compatible.

PIN ASSIGNMENT

FEATURES

Vss

PD0

PD1

DQ0

DQ8

DQ1

DQ9

DQ2

DQ10

DQ3

DQ11

Vcc

/ CE4 33

/ CE3 34

NC 35

Access times : 12, 15 and 20ns

High-density 512KByte design

High-reliability, high-speed design

Single + 5V ±0.5V power supply

Easy memory expansion with /CE and /OE functions

All inputs and outputs are TTL-compatible

Industry-standard pinout

A16 36

/ OE 37

Vss 38

DQ24 39

DQ16 40

DQ25 41

DQ17 42

DQ26 43

DQ18 44

DQ27 45

DQ19 46

A3 47

FR4-PCB design

A10 48

A4 49

OPTIONS

MARKING

A11 50

DQ12

DQ4

DQ13

DQ5

DQ14

DQ6

DQ15

DQ7

Vss

A5 51

A12 52

Timing

Vcc 53

8ns access

10ns access

12ns access

15ns access

20ns access

Packages

- 8

-10

-12

-15

-20

A13 54

A6 55

DQ20 56

DQ28 57

DQ21 58

DQ29 59

DQ22 60

DQ30 61

DQ23 62

DQ31 63

Vss 64

/ WE

A15

A14

64-pin SIMM

/ CE2

/ CE1

SIMM

TOP VIEW

PD0 = Open

PD1 = Open

HANBit Electronics Co.,Ltd.

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