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HM6208H Datasheet(PDF) 3 Page - Hitachi Semiconductor

Part No. HM6208H
Description  65,536-word ´ 4-bit High Speed CMOS Static RAM
Download  11 Pages
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Maker  HITACHI [Hitachi Semiconductor]
Homepage  http://www.renesas.com/eng
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HM6208H Datasheet(HTML) 3 Page - Hitachi Semiconductor

 
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HM6208H Series
3
Block Diagram
A13
VCC
VSS
Memory array
256
× 1024
Row
decoder
Input
data
control
Column I/O
Column decoder
I/O1
I/O2
I/O3
I/O4
CS
WE
A14
A15
A0
A1
A2
A3
A4
A5
A12 A11 A10 A9 A8 A7 A6
Truth Table
CS
WE
Mode
V
CC Current
I/O Pin
Ref. Cycle
H
×
Not selected
I
SB, I SB1
High-Z
L
H
Read
I
CC
Dout
Read cycle
L
L
Write
I
CC
Din
Write cycle
Note:
×: Don’t care.
Absolute Maximum Ratings
Parameter
Symbol
Value
Unit
Voltage on any pin relative to V
SS
Vin
–0.5
*1 to +7.0
V
Power dissipation
P
T
1.0
W
Operating temperature range
Topr
0 to +70
°C
Storage temperature range
Tstg
–55 to +125
°C
Storage temperature range under bias
Tbias
–10 to +85
°C
Note:
1. Vin min = –2.5 V for pulse widths
≤ 10 ns.


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