87C196LB データシートの表示（PDF） - Intel
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87C196LB Datasheet PDF : 19 Pages
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AUTOMOTIVE
®
Table 7. AC Characteristics (Continued)
Symbol
Parameter
Min
Max
TWHLH
TWHAX
TRHAX
WR# High to ALE High
AD15:8 Hold after WR# High
AD15:8 Hold after RD# High
t – 10
t – 30(4)
t – 30(4)
t + 15
The system must meet these specifications to work with the 87C196LB
Units
ns(3)
ns
ns
TAVDV
Address Valid to Input Data Valid
3t – 55
ns
TRLDV
RD# Low to Input Data Valid
t – 22
ns
TCLDV
CLKOUT Low to Input Data Valid
t – 50
ns
TRHDZ
RD# High to Input Data Float
t
ns
TRXDX
Data Hold after RD# Inactive
0
ns
NOTES:
1. Testing performed at 4.0 MHz with PLL enabled. With the PLL bypassed, the device is only tested
down to 8 MHz. However, the device is static by design and will typically operate below 1 Hz.
2. Typical specifications, not guaranteed.
3. Assuming back-to-back bus cycles.
4. 8-bit bus only.
18
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