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87C196CB Datasheet(PDF) 17 Page - Intel Corporation

Part No. 87C196CB
Description  20 MHz Advanced 16-Bit CHMOS Microcontroller with Integrated CAN 2.0
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Maker  INTEL [Intel Corporation]
Homepage  http://www.intel.com
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87C196CB Datasheet(HTML) 17 Page - Intel Corporation

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Production Datasheet
13
87C196CB - Automotive
TLLRL
ALE/ADV# Low to RD# Low
TOSC–30
ns
TRLCL
RD Low to CLKOUT Low
–8
20
ns
TRLRH
RD# Low Period
TOSC–10
ns (5)
TRHLH
RD# High to ALE/ADV# High
TOSC
TOSC+25
ns (3)
TRLAZ
RD# Low to Address Float
5
ns
TLLWL
ALE/ADV# Low to WR# Low
TOSC–10
ns
TCLWL
CLKOUT Low to WR# Low
–5
25
ns
TQVWH
Data Valid before WR# High
TOSC–23
ns
TCHWH
CLKOUT High to WR# High
–10
15
ns
TWLWH
WR# Low Period
TOSC–20
ns (5)
TWHQX
Data Hold after WR# High
TOSC–25
ns
TWHLH
WR# High to ALE/ADV# High
TOSC–10
TOSC+15
ns (3)
TWHBX
BHE#, INST Hold after WR# High
TOSC–10
ns
TWHAX
AD8-15 Hold after WR# High
TOSC–30
ns (4)
TRHBX
BHE#, INST Hold after RD# High
TOSC–10
ns
TRHAX
AD8-15 Hold after RD# High
TOSC–30
ns (4)
Table 6. AC Characteristics (Over Specified Operating Conditions) (Sheet 2 of 2)
Symbol
Parameter
Min
Max
Units
NOTES:
1.Testing performed at 4 MHz, however, the device is static by design and typically operates 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 2TOSC x n = number of wait states. If mode 0 (1 automatic wait state added)
operation is selected, add 2TOSC to specification.
6.TOFD is the time for the oscillator fail detect circuit (OFD) to react to a clock failure. The OFD circuitry is
enabled by programming the UPROM location 0778H with the value 0004H. Programming the CDE bit
enables oscillator fail detection.


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