Intel MCS48 User Manual page 167

ID8048/8748/8035L
A.C.
CHARACTERISTICS
T
A
=-40°Cto
+85°C, V
CC
= 5V ±10%, V
ss
= 0V
Symbol
Parameter Min.
Max.
Unit
Test Conditions
l CP
Port
Control
Setup
Before Falling
Edge
of
PROG
115
ns
tpc
Port
Control
Hold
After Falling
Edge
of
PROG
65 ns
tpR
PROG
to
Time P2
Input
Must Be
Valid
860 ns
tpF
Input
Data Hold
Time 160
ns
*DP
Output Data Setup Time
230
ns
tpD
Output Data Hold Time
25 ns
tpp
PROG
Pulse Width
920
ns
tp
L
Port 2
I/O
Data Setup
300 ns
*LP
Port 2
I/O
Data Hold
120 ns
PORT
2
TIMING
^^
EXPANDER
PORT
DC
EXPANDER
PORT
DC
r~\
X
K
Y»
'DP
—
PORT
2
- 3
DATA
Ifl
PORT
CONTROL
>:
OUTPUT DATA
V
PORT
2
_ 3
DATA
M
PORT
2
-3
DATA
rW\
PORT
CONTROL
}C
|*tp
F
»
\/
INPUT
^^
/
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