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HM62864 Datasheet(PDF) 5 Page - List of Unclassifed Manufacturers

Part No. HM62864
Description  65536-word ´ 8-bit High Speed CMOS Static RAM
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Maker  ETC [List of Unclassifed Manufacturers]
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HM62864 Series
5
Function Table
CS1
CS2
OE
WE
Mode
V
CC Current
I/O Pin
Ref. Cycle
H
X
X
X
Not selected
I
SB, I SB1
High-Z
X
L
X
X
Not selected
I
SB, I SB1
High-Z
L
H
H
H
Output disable
I
CC
High-Z
L
H
L
H
Read
I
CC
Dout
Read cycle (1) to (3)
L
H
H
L
Write
I
CC
Din
Write cycle (1)
L
H
L
L
Write
I
CC
Din
Write cycle (2)
Note:
X: High or Low
Absolute Maximum Ratings
Parameter
Symbol
Value
Unit
Power supply voltage
*1
V
CC
–0.5 to +7.0
V
Terminal voltage
*1
V
T
–0.5
*2 to V
CC + 0.3
*3
V
Power dissipation
P
T
1.0
W
Operating temperature
Topr
0 to +70
°C
Storage temperature
Tstg
–55 to +125
°C
Storage temperature under bias
Tbias
–10 to +85
°C
Notes: 1. Relative to V
SS
2. V
T min: – 3.0 V for pulse half-width ≤ 50 ns
3. Maximum voltage is 7.0V
Recommended DC Operating Conditions (Ta = 0 to +70
°C)
Parameter
Symbol
Min
Typ
Max
Unit
Supply voltage
V
CC
4.5
5.0
5.5
V
V
SS
000
V
Input high (logic 1) voltage
V
IH
2.2
V
CC + 0.3
V
Input low (logic 0) voltage
V
IL
–0.3
*1
0.8
V
Note:
1. V
IL min: – 3.0 V for pulse half-width ≤ 50 ns




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