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PDF HMS1M32Z8S Data sheet ( Hoja de datos )
| Número de pieza | HMS1M32Z8S | |
| Descripción | High-Speed SRAM MODULE 4Mbyte | |
| Fabricantes | Hanbit Electronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de HMS1M32Z8S (archivo pdf) en la parte inferior de esta página. Total 10 Páginas | ||
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HANBit
HMS1M32M8S
HAN
BI T
High-Speed SRAM MODULE 4Mbyte(1M x 32-Bit)
Part No. HMS1M32M8S, HMS1M32Z8S
GENERAL DESCRIPTION
The HMS1M32M8S 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 512K x 8 SRAMs mounted on a 72-pin, double-
sided, FR4-printed circuit board.
The HMS1M32M8S also support low data retention voltage for battery back-up operations with low data retention
current. Eight chip enable inputs, (/CE_UU1, /CE_UM1, /CE_LM1, /CE_LL1, /CE_UU2, /CE_UM2, /CE_LM2,
/CE_LL2) 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
Part identification
- HMS1M32M8S : SIMM design
- HMS1M32Z8S : ZIP design
Pin-Compatible with the HMS1M32M8S
Access times : 10, 12, 15, 17 and 20ns
High-density 4MByte design
www.DaHtaiSghhe-eret4lUia.cboimlity, high-speed design
Single + 5V ±0.5V power supply
All inputs and outputs are TTL-compatible
FR4-PCB design
72-Pin SIMM Design
OPTIONS MARKING
Timing
10ns access
-10
12ns access
-12
15ns access
-15
17ns access
-17
20ns access
Packages
-20
72-pin SIMM
M
Vss 1
A3 2
A2 3
A1 4
A0 5
Vcc 6
A11 7
/OE 8
A10 9
Vcc 10
/CE_LL2 11
/CE_LL1 12
DQ7 13
DQ0 14
DQ1 15
DQ2 16
DQ6 17
DQ5 18
DQ4 19
DQ3 20
A15 21
A17 22
/WE 23
A13 24
Vcc 25
DQ8 26
DQ9 27
DQ10 28
/CE_LM2 29
Vcc 30
/CE_LM1 31
DQ15 32
DQ14 33
DQ13 34
DQ12 35
DQ11 36
1
PIN ASSIGNMENT
A18 37
A16 38
Vss 39
A6 40
Vcc 41
A5 42
A4 43
Vcc 44
/CE_UM2 45
/CE_UM1 46
DQ23 47
DQ16 48
DQ17 49
DQ18 50
DQ22 51
DQ21 52
DQ20 53
DQ19 54
Vcc 55
A14 56
A12 57
A7 58
Vcc 59
A8 60
A9 61
DQ24 62
DQ25 63
DQ26 64
/CE_UU2 65
/CE_UU1 66
DQ31 67
DQ30 68
DQ29 69
DQ28 70
DQ27 71
Vss 72
SIMM
TOP VIEW
HANBit Electronics Co.,Ltd.
1 page  
HANBit
READ CYCLE
PARAMETER
Read Cycle Time
Address Access Time
Chip Select to Output
Output Enable to Output
Output Enable to Low-Z Output
Chip Enable to Low-Z Output
Output Disable to High-Z Output
Chip Disable to High-Z Output
Output Hold from Address Change
Chip Select to Power Up Time
Chip Select to Power Down Time
WRITE CYCLE
PARAMETER
Write Cycle Time
www.DataSheet4U.com
Chip Select to End of Write
Address Set-up Time
Address Valid to End of Write
Write Pulse Width (/OE=High)
Write Recovery Time (/OE=Low)
Write to Output High-Z
Data to Write Time Overlap
Data Hold from Write Time
End of Write to Output Low-Z
HMS1M32M8S
SYMBOL
tRC
tAA
tCO
tOE
tOLZ
tLZ
tOHZ
tHZ
tOH
tPU
tPD
-15
MIN MAX
15 -
- 15
- 15
-7
0-
3-
07
07
3-
0-
- 15
-17
MIN MAX
17 -
- 17
- 17
-8
0-
3-
08
08
3-
0-
- 17
-20
MIN MAX
20 -
- 20
- 20
-9
0-
3-
09
09
3-
0-
- 20
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
SYMBOL
tWC
tCW
tAS
tAW
tWP
tWR
tWZ
tDW
tDH
tOW
-15
MIN MAX
15 -
12 -
0-
12 -
12 -
0-
07
8-
0-
3-
-17
MIN MAX
17 -
13 -
0-
13 -
13 -
0-
08
9-
0-
3-
-20
UNIT
MIN MAX
20 - ns
14 - ns
0 - ns
14 - ns
14 - ns
0 - ns
0 9 ns
10 - ns
0 - ns
3 - ns
5 HANBit Electronics Co.,Ltd.
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet HMS1M32Z8S.PDF ] | |
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