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P80C31BH-1(2004) View Datasheet(PDF) - Intel

Part Name
Description
View to exact match
P80C31BH-1
(Rev.:2004)
Intel
Intel Intel
P80C31BH-1 Datasheet PDF : 20 Pages
First Prev 11 12 13 14 15 16 17 18 19 20
87C51/80C51BH/80C31BH
EXTERNAL MEMORY CHARACTERISTICS
All parameter values apply to all devices unless otherwise indicated. In this table, 87C51/BH refers to
87C51/BH, 87C51-1/BH-1 and 87C51-2/BH-2. (Continued)
Symbol
TWHQX
TQVWH
TRLAZ
TWHLH
Parameter
Data Hold After WR
87C51/BH
87C51-24/BH-24
Data Valid to WR High
87C51/BH
87C51-24/BH-24
RD Low to Address Float
RD or WR High to ALE High
87C51/BH
87C51-24/BH-24
12 MHz
Min Max
33
433
0
43 123
Oscillator
24 MHz
Variable
Min Max
Min
Max
TCLCLb50
7
TCLCLb35
7TCLCLb150
222
7TCLCLb70
0
0
12 71
TCLCLb40 TCLCLa40
TCLCLb30 TCLCLa30
Units
ns
ns
ns
ns
ns
ns
ns
EXTERNAL PROGRAM MEMORY READ CYCLE
EXTERNAL DATA MEMORY READ CYCLE
272335 ±12
14
272335 ±13
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