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参数资料
| 型号： | S83C196MD |
| 厂商： | INTEL CORP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP80 |
| 封装： | EIAJ, SHRINK, QFP-80 |
| 文件页数： | 6/25页 |
| 文件大小： | 1306K |
| 代理商： | S83C196MD |
8XC196MD
EXPLANATION OF AC SYMBOLS
Each symbol is two pairs of letters prefixed by ‘‘T’’ for time The characters in a pair indicate a signal and its
condition respectively Symbols represent the time between the two signalcondition points
Conditions
Signals
H
High
L
Low
V
Valid
X
No Longer Valid
Z
Floating
A
Address
B
BHE
C
CLKOUT
D
DATA
G
Buswidth
H
HOLD
HA
HLDA
L
ALEADV
BR
BREQ
R
RD
W
WR WRH WRL
X
XTAL1
Y
READY
Q
Data Out
AC ELECTRICAL CHARACTERISTICS (Over Specified Operating Conditions)
Test Conditions Capacitive load on all pins e 100 pF Rise and fall times e 10 ns FOSC e 16 MHz
The system must meet the following specifications to work with the 87C196MD
Symbol
Parameter
Min
Max
Units
Notes
FXTAL
Frequency on XTAL1
8
16
MHz
3
TOSC
1FXTAL
625
125
ns
TAVYV
Address Valid to READY Setup
2 TOSC b 75
ns
TLLYV
ALE Low to READY Setup
TOSC b 70
ns
4
TYLYH
Not READY Time
No Upper Limit
ns
TCLYX
READY Hold after CLKOUT Low
0
TOSC b 30
ns
1
TLLYX
READY Hold after ALE Low
TOSC b 15
2 TOSC b 40
ns
1
TAVGV
Address Valid to BUSWIDTH Setup
2 TOSC b 75
ns
TLLGV
ALE Low to BUSWIDTH Setup
TOSC b 60
ns
4
TCLGX
Buswidth Hold after CLKOUT Low
0
ns
TAVDV
Address Valid to Input Data Valid
3 TOSC b 55
ns
2
TRLDV
RD Active to Input Data Valid
TOSC b 22
ns
2
TCLDV
CLKOUT Low to Input Data Valid
TOSC b 50
ns
TRHDZ
End of RD to Input Data Float
TOSC
ns
TRXDX
Data Hold after RD Inactive
0
ns
NOTES
1 If Max is exceeded additional wait states will occur
2 If wait states are used add 2 TOSC
N where N e number of wait states
3 Testing performed at 8 MHz However the device is static by design and will typically operate below 1 Hz
4 These timings are included for compatibility with older b90 and BH products They should not be used for newer high-
speed designs
14
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相关代理商/技术参数 |
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