U62H64 データシートの表示（PDF） - Zentrum Mikroelektronik Dresden AG
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U62H64 Datasheet PDF : 8 Pages
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U62H64
Block Diagram
A6
A7
A8
A9
A10
A11
A12
Memory Cell
Array
128 Rows
64 x 8 Columns
A0
A1
A2
A3
A4
A5
Address
Change
Detector
Sense Amplifier/
Write Control Logic
Clock
Generator
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
E2
E1
Truth Table
VCC VSS
WG
Operating Mode
E1
E2
W
G
Standby/not
*
L
*
*
selected
H
*
*
*
Internal Read
L
H
H
H
Read
L
H
H
L
* H or L
Write
L
H
L
*
DQ0 - DQ7
High-Z
High-Z
High-Z
Data Outputs Low-Z
Data Inputs High-Z
Characteristics
All voltages are referenced to VSS = 0 V (ground).
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 ≤ 3 ns, measured between 10 % and 90 % of VI, as well as
input levels of VIL = 0 V and VIH = 3 V. The timing reference level of all input and output signals is 1.5 V,
with the exception of the tdis-times and ten-times, in which cases transition is measured ± 200 mV from steady-state voltage.
Maximum Ratings
Symbol
Min.
Max.
Power Supply Voltage
VCC
-0.3
7
Input Voltage
VI
-0.3
VCC + 0.5
Output Voltage
VO
-0.3
VCC + 0.5
Operating Temperature
C-Type
Ta
0
70
G-Type
-25
85
K-Type
-40
85
Storage Temperature
Tstg
-55
125
Output Short-Circuit Current
|IOS|
300
at VCC = 5 V and VO = 0 V *
* Not more than 1 output should be shorted at one time. Duration of the short circuit should not exceed 30 s.
Unit
V
V
V
°C
°C
°C
°C
mA
2
December 12, 1997
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