參數(shù)資料
型號(hào)： 83C196EA
廠商： Intel Corp.
英文描述： CHMOS 16-Bit Microcontroller(CHMOS型 16位微控制器)
中文描述： CHMOS 16位微控制器（CHMOS型16位微控制器）
文件頁(yè)數(shù)： 30/46頁(yè)
文件大?。?/td> 376K
代理商： 83C196EA
24
ADVANCE INFORMATION
83C196EA
— AUTOMOTIVE
T
CHWH
T
WLWH
T
WHQX
T
WHBX
T
WHAX
T
RHBX
T
RHAX
T
AVYV
T
CLYX
CLKOUT High to WR# Rising Edge
– 5
10
ns (
9
)
WR# Low to WR# High
3t – 15
ns (
2
)
Data Hold after WR# Rising Edge
t
t + 15
ns
BHE#, INST Hold after WR# High
t
ns
A20:0, CS
x
# Hold after WR# High
0
ns
BHE#, INST Hold after RD# High
t
ns
A20:0, CS
x
# Hold after RD# High
0
ns
A20:0 Valid to READY Setup
3t – 25
ns (
4
)
READY Hold after CLKOUT Low
0
2t – 28
ns
(
5
,
7
,
9
)
T
YLYH
NOTES:
1.
Non READY Time
No Upper Limit
ns
Table 9. AC Characteristics, Demultiplexed Bus Mode (Sheet 2 of 2)
Symbol
Parameter
Min
Max
Units
20 MHz is the maximum input frequency when using an external crystal oscillator; however, 40 MHz
can be applied with an external clock source.
If wait states are used, add 2t
×
n
, where
n
= number of wait states.
Assuming back-to-back bus cycles.
When forcing wait states using the BUSCON register, add 2t
×
n.
Exceeding the maximum specification causes additional wait states.
8-bit bus only.
The first falling edge of READY is not synchronized to a CLKOUT edge; therefore, one programmed
wait state is required.
Device is static by design but has been tested only down to 20 MHz.
Assumes CLKOUT is operating in divide-by-two mode (f/2).
2.
3.
4.
5.
6.
7.
8.
9.
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