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Hanbit Electronics - SRAM MODULE 512KByte

Numéro de référence HMS12832Z4
Description SRAM MODULE 512KByte
Fabricant Hanbit Electronics 
Logo Hanbit Electronics 





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HMS12832Z4 fiche technique
HANBit
HMS12832M4G/Z4
SRAM MODULE 512KByte (128K x 32-Bit), 64PIN SIMM / ZIP
Part No. HMS12832M4G, HMS12832Z4
GENERAL DESCRIPTION
The HMS12832M4G/Z4 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 modules density allowing interchangeable use of alternate density, industry- standard modules. Four
chip enable inputs, (/CE1, /CE2, /CE3 and /CE4) are used to enable the modules 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
w Access times : 10, 12, 15 and 20ns
w High-density 512KByte design
w High-reliability, high-speed design
w Single + 5V ±0.5V power supply
w Easy memory expansion with /CE and
/OE functions
w All inputs and outputs are TTL-compatible
w Industry-standard pinout
w FR4-PCB design
www.DataSheet4U.com
OPTIONS MARKING
w Timing
8ns access
10ns access
12ns access
15ns access
20ns access
-8
-10
-12
-15
-20
w Packages
64-pin SIMM
64-pin ZIP
M
Z
PIN ASSIGNMENT
PIN SYMBOL PIN SYMBOL PIN SYMBOL PIN SYMBOL
1 Vss 17 A2 33 /CE4 49 A4
2
NC 18
A9
34 /CE3 50
A11
3 NC 19 DQ12 35 NC 51 A5
4 DQ0 20 DQ4 36 A16 52 A12
5
DQ8
21 DQ13 37
/OE
53
Vcc
6 DQ1 22 DQ5 38 Vss 54 A13
7
DQ9
23 DQ14 39 DQ24 55
A6
8 DQ2 24 DQ6 40 DQ16 56 DQ20
9 DQ10 25 DQ15 41 DQ25 57 DQ28
10 DQ3 26 DQ7 42 DQ17 58 DQ21
11 DQ11 27 Vss 43 DQ26 59 DQ29
12 Vcc 28 /WE 44 DQ18 60 DQ22
13 A0 29 A15 45 DQ27 61 DQ30
14 A7 30 A14 46 DQ19 62 DQ23
15 A1 31 /CE2 47 A3 63 DQ31
16 A8 32 /CE1 48 A10 64 Vss
SIMM
TOP VIEW
URL: www.hbe.co.kr
Rev. 1.0 (September / 2002)
1 HANBit Electronics Co.,Ltd.

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