an87c196kt Intel Corporation, an87c196kt Datasheet - Page 14

• Manufacturer Part Number: an87c196kt
• Description: Advanced 16-bit Chmos Microcontroller
• Manufacturer: Intel Corporation

87C196KT 87C196KS
BUS MODE 1 AC CHARACTERISTICS
Test Conditions Capacitance Load on All Pins
The 87C196KT will meet these specifications
NOTES
1 Testing performed at 8 0 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
5 If wait states are used add 2 T
14
Symbol
F
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
XTAL
OSC
XHCH
CLCL
CHCL
CHLH
CLLL
LHLH
LHLL
AVLL
LLAX
LLRL
RLCL
RLRH
RHLH
RLAZ
LLWL
CLWL
QVWH
CHWH
WLWH
WHQX
WHLH
WHBX
WHIX
WHAX
RHBX
RHAX
RHAX
Frequency on XTAL1
XTAL1 Period (1 F
XTAL1 High to CLKOUT High or Low
CLKOUT Period
CLKOUT High Period
CLKOUT HIGH to ALE ADV High
CLKOUT LOW to ALE ADV Low
ALE ADV Cycle Time
ALE ADV High Time
Address Valid to ALE Low
Address Hold After ALE ADV Low
ALE ADV Low to RD Low
RD Low to CLKOUT Low
RD Low Period
RD High to ALE ADV High
RD Low to Address Float
ALE ADV Low to WR Low
CLKOUT Low to WR Low
Data Valid before WR High
CLKOUT High to WR High
WR Low Period
Data Hold after WR High
WR High to ALE ADV High
BHE Hold after WR High
INST Hold after WR High
AD8 – 15 Hold after WR High
BHE Hold after RD High
AD8 – 15 Hold after RD High
AD8 – 15 Hold after RD High
Parameter
OSC c
XTAL
n where n
)
e
e
number of wait states
100 pF Rise and Fall Times
(Over Specified Operating Conditions)
0 5 T
0 5 T
0 5 T
0 5 T
0 5 T
0 5 T
0 5 T
0 5 T
0 5 T
0 5 T
0 5 T
0 5 T
2 T
2 T
2 T
T
T
T
T
T
T
0 5 T
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
62 5
a
b
Min
8 0
20
10
b
b
b
b
b
b
OSC
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
10
10
10
15
15
32
20
23
15
15
25
15
20
30
10
25
10
15
30
32
30
2 T
4 T
OSC
OSC
0 5 T
0 5 T
0 5 T
0 5 T
e
T
T
T
T
OSC
OSC
OSC
OSC
10 ns
OSC
OSC
OSC
OSC
a
Max
16 0
125
110
a
15
a
a
a
5
a
a
a
a
a
25
27
10
30
20
15
25
15
MHz
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
(5)
(5)
(3)
(5)
(3)
(4)
(4)
(1)
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