gs840e32agt-180i GSI Technology, gs840e32agt-180i Datasheet - Page 17

• Manufacturer Part Number: gs840e32agt-180i
• Description: 256k X 18, 128k X 32, 128k X 36 4mb Sync Burst Srams
• Manufacturer: GSI Technology

Logic Levels
Recommended Operating Temperatures
Rev: 1.14 10/2007
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
Notes:
1.
2.
3.
Notes:
1.
2.
V
Ambient Temperature (Commercial Range Versions)
SS
Ambient Temperature (Industrial Range Versions)
– 2.0 V
Undershoot Measurement and Timing
The part numbers of Industrial Temperature Range versions end the character “I”. Unless otherwise noted, all performance specifica-
tions quoted are evaluated for worst case in the temperature range marked on the device.
Input Under/overshoot voltage must be –2 V > Vi < V
V
The part numbers of Industrial Temperature Range versions end the character “I”. Unless otherwise noted, all performance specifica-
tions quoted are evaluated for worst case in the temperature range marked on the device.
Input Under/overshoot voltage must be –2 V > Vi < V
50%
V
V
IHQ
SS
IH
(max) is voltage on V
V
V
V
V
DDQ3
DDQ2
DDQ3
DDQ2
V
V
DD
DD
I/O Input High Voltage
I/O Input High Voltage
I/O Input Low Voltage
I/O Input Low Voltage
Input High Voltage
Input Low Voltage
Parameter
Parameter
50% tKC
DDQ
pins plus 0.3 V.
Symbol
Symbol
DDn
DDn
V
V
V
V
V
V
IHQ3
IHQ2
T
T
ILQ3
ILQ2
17/32
+2 V not to exceed 4.6 V maximum, with a pulse width not to exceed 20% tKC.
+2 V not to exceed 4.6 V maximum, with a pulse width not to exceed 20% tKC.
IH
IL
A
A
0.6*V
Min.
Min.
–0.3
–0.3
–0.3
–40
2.0
2.0
0
DD
V
DD
+ 2.0 V
Overshoot Measurement and Timing
50%
V
V
DD
IL
GS840E18/32/36AT/B-180/166/150/100
Typ.
Typ.
—
—
—
—
—
—
25
25
V
V
V
DDQ
DDQ
0.3*V
DD
Max.
Max.
0.8
0.8
70
85
50% tKC
+ 0.3
+ 0.3
+ 0.3
DD
Unit
Unit
°C
°C
V
V
V
V
V
V
© 1999, GSI Technology
Notes
Notes
1,3
1,3
1,3
1,3
1
1
2
2