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HMS1M32M8G-20

Description
SRAM MODULE 4Mbyte(1M x 32-Bit)
Categorystorage    storage   
File Size65KB,9 Pages
ManufacturerHANBIT Electronics
Websitehttp://www.hbe.co.kr/
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HMS1M32M8G-20 Overview

SRAM MODULE 4Mbyte(1M x 32-Bit)

HMS1M32M8G-20 Parametric

Parameter NameAttribute value
MakerHANBIT Electronics
package instruction,
Reach Compliance Codeunknow
HANBit
HAN
BIT
HMS1M32M8G/Z8
SRAM MODULE 4Mbyte(1M x 32-Bit)
Part No.
HMS1M32M8G, HMS1M32Z8
GENERAL DESCRIPTION
The HMS1M32M8G/Z8 is a high-speed static random access memory (SRAM) module containing 1,048,576
words organized in a x32-bit configuration. The module consists of eight 1M x 4 SRAMs mounted on a 72-pin,
double-sided, FR4-printed circuit board.
PD0 to PD3 identify the module’s density allowing interchangeable use of alternate density, industry- standard
modules. Eight 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.
FEATURES
Š
Access times : 10, 12, 15, 17 and 20ns
Š
High-density 4MByte design
Š
High-reliability, high-speed design
Š
Single + 5V
±10%
power supply
Š
Easy memory expansion /CE and /OE functions
Š
All inputs and outputs are TTL-compatible
Š
Industry-standard pinout
Š
FR4-PCB design
Š
Low profile 72-pin
Š
Part identification
- HMS1M32M8G : SIMM design, Gold Plate Lead
- HMS1M32Z8 : ZIP design
The both are pin-to-pin compatible
NC
PD3
PD0
DQ0
DQ1
DQ2
DQ3
Vcc
A7
A8
A9
DQ4
DQ5
DQ6
DQ7
/WE
A14
/CE1
/CE3
A16
Vss
DQ16
DQ17
DQ18
DQ19
A10
A11
A12
A13
DQ20
DQ21
DQ22
DQ23
Vss
A19
NC
PIN ASSIGNMENT
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
58
60
62
64
66
68
70
72
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
47
49
51
53
55
57
59
61
63
65
67
69
71
NC
PD2
Vss
PD1
DQ8
DQ9
DQ10
DQ11
A0
A1
A2
DQ12
DQ13
DQ14
DQ15
Vss
A15
/CE2
/CE4
A17
/OE
DQ24
DQ25
DQ26
DQ27
A3
A4
A5
Vcc
A6
DQ28
DQ29
DQ30
DQ31
A18
NC
OPTIONS
Š
Timing
10ns access
12ns access
15ns access
17ns access
20ns access
MARKING
-10
-12
-15
-17
-20
M
Z
PD0 - Vss
PD1 - Open
PD2 - Vss
PD3 - Open
Š
Packages
72-pin SIMM
72-pin ZIP
72-Pin ZIP
TOP VIEW
1
HANBit Electronics Co.,Ltd.

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Reach Compliance Code unknow - unknow - unknow unknow unknow
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