87C196LA Intel Corporation, 87C196LA Datasheet - Page 19

• Manufacturer Part Number: 87C196LA
• Description: CHMOS 16-BIT MICROCONTROLLER
• Manufacturer: Intel Corporation

T
T
T
NOTES:
1.
2.
3.
4.
T
T
T
T
T
Symbol
Symbol
WHLH
WHAX
RHAX
AVDV
RLDV
CLDV
RHDZ
RXDX
PRODUCT PREVIEW
Testing performed at 4.0 MHz with PLL enabled. With the PLL bypassed, the device is tested only
down to 8 MHz. However, the device is static by design and will typically operate below 1 Hz.
Typical specifications, not guaranteed.
Assuming back-to-back bus cycles.
8-bit bus only.
Character
Character
WR# High to ALE High
AD15:8 Hold after WR# High
AD15:8 Hold after RD# High
Address Valid to Input Data Valid
RD# Low to Input Data Valid
CLKOUT Low to Input Data Valid
RD# High to Input Data Float
Data Hold after RD# Inactive
W
Q
A
C
D
R
X
H
V
X
The system must meet these specifications to work with the 87C196LA
L
L
Z
AD15:0
CLKOUT
AD15:0, AD7:0
ALE
AD15:0, AD7:0
RD#
WR#, WRL#
XTAL1
High
Low
Valid
No Longer Valid
Floating (low impedance)
Parameter
Parameter
Table 7. AC Characteristics (Continued)
Table 9. AC Timing Symbol Definitions
Table 8. AC Characteristics
Condition
Signal(s)
t – 10
t – 30
t – 30
Min
Min
0
AUTOMOTIVE — 87C196LA
3t – 55
t + 15
t – 22
t – 50
Max
Max
t
Units
Units
ns
ns
ns
ns
ns
ns
ns
ns
(3)
(4)
(4)
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