參數(shù)資料
型號: HM628512BI
廠商: Hitachi,Ltd.
英文描述: 4 M SRAM (512-kword ×8-bit)(4M靜態(tài)RAM (512k字 ×8位))
中文描述: 四米的SRAM(512 - KWord的× 8位)(4分靜態(tài)隨機(jī)存儲(chǔ)器(為512k字× 8位))
文件頁數(shù): 3/15頁
文件大小: 86K
代理商: HM628512BI
HM628512BI Series
3
Block Diagram
Function Table
Note:
×
: H or L
WE
×
H
H
L
L
CS
H
L
L
L
L
OE
×
H
L
H
L
Mode
Not selected
Output disable
Read
Write
Write
V
CC
current
I
SB
, I
SB1
I
CC
I
CC
I
CC
I
CC
Dout pin
High-Z
High-Z
Dout
Din
Din
Ref. cycle
Read cycle
Write cycle (1)
Write cycle (2)
I/O0
I/O7
CS
WE
OE
A13A17A15A8
A10
A11
V
V
CC
SS
Row
Decoder
Memory Matrix
1,024 4,096
Column I/O
Column Decoder
Input
Data
Control
Timing Pulse Generator
Read/Write Control
A5
A9
A4
A18
A16
A1
A0
A2
A12
A14
A3
A7
A6
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