Datasheet > HMS51232Z4L-15

HMS51232Z4L-15

更新时间： 2024-11-11 02:58:27

品牌	Logo	应用领域
HANBIT		静态存储器
页数	文件大小	规格书
10页	393K
描述
SRAM MODULE 2Mbyte (512K x 32-Bit), LOW POWER, 72-Pin SIMM 5V

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HMS51232Z4L-15 数据手册

HANBit

HMS51232M4L

H A N

SRAM MODULE 2Mbyte (512K x 32-Bit), LOW POWER, 72-Pin

B I T

HMS51232M4L

SIMM 5V

Part No.

GENERAL DESCRIPTION

The HMS51232M4L is a static random access memory (SRAM) module containing 524,288 words organized in

a x32-bit configuration. The module consists of four 512K x 8 SRAMs mounted on a 72-pin, single-sided, FR4-

printed circuit board.

The HMS51232M4L also support low data retention voltage for battery back-up operations with low data retention

current. Four chip enable inputs, (/CE_UU1, /CE_UM1, /CE_LM1 and /CE_LL1) 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.

FEATURES

PIN ASSIGNMENT

A18 37

A16 38

Vss 39

A6 40

Vcc 41

A5 42

A4 43

Vcc 44

NC 45

Vss

Vcc

A11

/ OE

A10

Vcc 10

NC 11

Access time : 55, 70ns

High-density 2MByte design

High-reliability, low-power design

Single +5V ±0.5V power supply

Low data retention voltage : 2V(min)

Three state output and TTL-compatible

FR4-PCB design

/ CE_UM1 46

DQ23 47

DQ16 48

DQ17 49

DQ18 50

DQ22 51

DQ21 52

DQ20 53

DQ19 54

Vcc 55

/ CE_LL1 12

DQ7 13

DQ0 14

DQ1 15

DQ2 16

DQ6 17

DQ5 18

DQ4 19

DQ3 20

A15 21

Low profile 72-Pin SIMM

A14 56

A12 57

A7 58

OPTIONS

MARKING

A17 22

Vcc 59

A8 60

/ WE 23

A13 24

Timing

A9 61

Vcc 25

DQ24 62

DQ25 63

DQ26 64

NC 65

DQ8 26

DQ9 27

DQ10 28

NC 29

55ns access

70ns access

Packages

-55

-70

/ CE_UU1 66

DQ31 67

DQ30 68

DQ29 69

DQ28 70

DQ27 71

Vss 72

Vcc 30

/ CE_LM1 31

DQ15 32

DQ14 33

DQ13 34

DQ12 35

DQ11 36

72-pin SIMM

72-Pin SIMM

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