IBM041840QLAD
IBM043640QLAD
Preliminary
128K x 36 & 256K x 18 SRAM
AC Test Conditions (TA=0 to 85°C, VDD=3.3V ±5%, VDDQ = 1.5V)
Parameter
Symbol
Conditions
Units
V
Notes
Input High Level
V
1.25
IH
Input Low Level
V
0.25
V
IL
Input Reference Voltage
V
0.75
V
REF
Differential Clocks Voltage
Clocks Common Mode Voltage
Input Rise Time
V
0.75
V
DIF-CLK
CM-CLK
V
0.75
V
T
0.5
ns
ns
V
R
Input Fall Time
T
0.5
0.75
F
I/O Signals Reference Level (except K, C Clocks)
Clocks Reference Level
Differential Cross Point
V
Output Load Conditions
1
1. See AC Test Loading figure on page 11.
AC Test Loading
Ω
Ω
50
50
Ω
Ω
16.7
16.7
Ω
0.75V
0.75V
50
5pF
Ω
16.7
DQ
Ω
50
5pF
0.75V
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50H5021
Revised 2/99
Page 11 of 25
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