u6264a ETC-unknow, u6264a Datasheet - Page 2
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u6264a
Manufacturer Part Number
u6264a
Description
Standard Sram
Manufacturer
ETC-unknow
Datasheet
1.U6264A.pdf
(9 pages)
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*
U6264A
Truth Table
Characteristics
Block Diagram
All voltages are referenced to V
All characteristics are valid in the power supply voltage range and in the operating temperature range specified.
Dynamic measurements are based on a rise and fall time of
input levels of V
with the exception of the t
H or L
Maximum Ratings
Power Supply Voltage
Input Voltage
Output Voltage
Power Dissipation
Operating Temperature
Storage Temperature
Operating Mode
Internal Read
Standby/not
selected
Read
Write
IL
= 0 V and V
dis
-times, in which cases transition is measured
E2
E1
IH
SS
A0
A1
A2
A3
A10
= 3 V. The timing reference level of all input and output signals is 1.5 V,
A4
A5
A6
A7
A8
A9
A11
A12
= 0 V (ground).
C-Type
G-Type
K-Type
E1
H
L
L
L
*
Detector
Address
Change
1
Symbol
E2
H
H
H
L
V
*
T
V
P
T
V
CC
stg
5 ns, measured between 10 % and 90 % of V
O
D
a
I
2
V
CC
200 mV from steady-state voltage.
W
H
H
L
*
*
V
SS
Min.
-0.3
-0.3
-0.3
-25
-40
-55
0
-
Write Control Logic
Sense Amplifier/
256 Columns
Memory Cell
256 Rows x
Generator
W
Array
Clock
G
H
L
*
*
*
G
V
V
CC
CC
Max.
I
, as well as
125
70
85
85
7
1
+ 0.5
+ 0.5
Data Outputs Low-Z
Data Inputs High-Z
DQ0 - DQ7
December 12, 1997
High-Z
High-Z
High-Z
Unit
W
V
V
V
C
C
C
C
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7