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X88C75 Datasheet, PDF (17/27 Pages) Xicor Inc. – Port Expander and E2 Memory
X88C75 SLIC® E2
A.C. CONDITIONS OF TEST
Input Pulse Levels
Input Rise and Fall Times
Input and Output Timing Levels
0V to 3V
10ns
1.5V
2887 PGM T09.1
EQUIVALENT A.C. TEST CIRCUIT
5V
OUTPUT
1.92KΩ
1.37KΩ
100pF
2887 ILL F22.2
A.C. CHARACTERISTICS (Over the recommended operating conditions unless otherwise specified.)
PSEN Controlled Read Cycle
Symbol
Parameter
Min.
Max.
Units
tLHLL
tAVLL
tLLAX
tPLDV
tPHDX
tELLL
PWPL
tPS
tPH
tPHDZ (5)
tPLDX (5)
ALE Pulse Width
Address Setup Time
Address Hold Time
PSEN Read Access Time
Data Hold Time
Chip Enable Setup Time
PSEN Pulse Width
PSEN Setup Time
PSEN Hold Time
PSEN Disable to Output in High Z
PSEN to Output in Low Z
PSEN Controlled Read Timing Diagram
80
ns
20
ns
30
ns
120
ns
0
ns
7
ns
150
ns
30
ns
20
ns
50
ns
10
ns
2887 PGM T10
CE
ALE
A/D0–A/D7
A8–A12
PSEN
tLHLL
tELLL
tAVLL
AIN
tLLAX
tPS
tPH
tPH
tPLDX
tPLDV
PWPL
DOUT
tPHDX
tPHDZ
ADDRESS
2887 ILL F23
Note: (5) This parameter is periodically sampled and not 100% tested.
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