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7.4
3
IDT7M1024
4K x 36 BiCMOS SYNCHRONOUS DUAL-PORT STATIC RAM MODULE
MILITARY AND COMMERCIAL TEMPERATURE RANGES
TRUTH TABLE II:
CLOCK ENABLE FUNCTION TABLE
(1)
Inputs
Register Inputs
ADDR
h
l
X
X
Register Outputs
ADDR
H
L
N/C
N/C
Operating Mode
Load “1”
Load “0”
Hold (do nothing)
Clk
u
CLKEN
DATA
IN
h
l
X
X
DATA
OUT
H
L
N/C
N/C
l
l
u
u
h
H
X
NOTE:
1. H = HIGH voltage level steady state, h = HIGH voltage level one set-up time prior to the LOW-to-HIGH clock transition, L =LOW voltage level steady state
l = LOW voltage level one set-up time prior to the LOW-to-HIGH clock transition, X = Don't care, N/C = No change
2809 tbl 07
RECOMMENDED DC OPERATING
CONDITIONS
Symbol
Parameter
V
CC
Supply Voltage
GND
Supply Voltage
V
IH
Input HIGH Voltage
V
IL
Input LOW Voltage
Min.
4.5
0
2.2
–0.5
(1)
Typ.
5.0
0
—
—
Max.
5.5
0
6.0
0.8
Unit
V
V
V
V
NOTE:
1. V
IL
= -3.0V for pulse width less than 20ns.
2809 tbl 04
RECOMMENDED OPERATING
TEMPERATURE AND SUPPLY VOLTAGE
Ambient
Grade
Temperature
Military
–55
°
C to +125
°
C
Commercial
0
°
C to +70
°
C
GND
0V
0V
VCC
5.0V
±
10%
5.0V
±
10%
2809 tbl 03
ABSOLUTE MAXIMUM RATINGS
(1)
Symbol
Rating
V
TERM
(2)
Terminal Voltage
with Respect to
GND
V
TERM
(3)
Terminal Voltage
T
A
Operating
Temperature
T
BIAS
Temperature
Under Bias
T
STG
Storage
Temperature
I
OUT
DC Output Current
Commercial
–0.5 to +7.0 –0.5 to +7.0
Military
Unit
V
–0.5 to V
CC
–0.5 to V
CC
0 to +70
V
°
C
–55 to +125
–55 to +125 –65 to +135
°
C
–55 to +125 –65 to +150
°
C
50
50
mA
NOTES:
1. Stresses greater than those listed under ABSOLUTE MAXIMUM RAT-
INGS may cause permanent damage to the device. This is a stress rating
only and functional operation of the device at these or any other conditions
above those indicated in the operational sections of this specification is not
implied. Exposure to absolute maximum rating conditions for extended
periods may affect reliability.
2. Inputs and Vcc terminals only.
2809 tbl 02
CAPACITANCE
(T
A
= +25
°
C, F = 1.0MH
Z
)
Parameter
(1)
Symbol
Condition
Max.
Unit
C
IN
C
OUT
Input Capacitance
Output Capacitance
V
IN
= 0V
V
OUT
= 0V
50
15
pF
pF
2809 tbl 05
TRUTH TABLE I: READ/WRITE CONTROL
(1)
Inputs
Synchronous
Clk
CE
R/
W
u
h
u
h
u
l
u
l
u
l
Asynchronous
OE
Outputs
I/O
0-35
High-Z
DATA
IN
DATA
IN
DATA
OUT
High-Z
Mode
Deselected, Power Down, Data I/O Disabled
Deselected, Power Down, Data Input Enabled
Write
Read
Data I/O Disabled
h
l
l
h
h
X
X
X
L
H
2809 tbl 06
TRUTH TABLES