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UPI-41AH Datasheet, PDF (14/20 Pages) Intel Corporation – UNIVERSAL PERIPHERAL INTERFACE 8-BIT SLAVE MICROCONTROLLER
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UPI-41AH 42AH
A C CHARACTERISTICS PROGRAMMING
TA e 25 C g5 C VCC e 6V g0 25V VDDL e a5V g0 25V VDDH e 12 5V g0 5V
(8741AH 8742AH ONLY)
Symbol
tAW
tWA
tDW
tWD
tPW
tTW
tWT
tDO
tWW
tr tf
tCY
tRE
tOPW
tDE
Parameter
u Address Setup Time to RESET
u Address Hold Time After RESET
v Data in Setup Time to PROG
u Data in Hold Time After PROG
Initial Program Pulse Width
Test 0 Setup Time for Program Mode
Test 0 Hold Time After Program Mode
Test 0 to Data Out Delay
RESET Pulse Width to Latch Address
PROG Rise and Fall Times
CPU Operation Cycle Time
u RESET Setup Time Before EA
Overprogram Pulse Width
EA High to VDD High
Min
4tCY
4tCY
4tCY
4tCY
0 95
4tCY
4tCY
4tCY
05
25
4tCY
2 85
1tCY
Max
1 05
4tCY
100
3 75
78 75
NOTES
1 Typical Initial Program Pulse width tolerance e 1 ms g5%
2 This variation is a function of the iteration counter value X
u 3 If TEST 0 is high tDO can be triggered by RESET
Units
ms(1)
ms
ms
ms(2)
A C CHARACTERISTICS PORT 2 TA e 0 C to a70 C VCC e a5V g10%
Symbol
Parameter
f(tCY)(3)
Min
tCP
Port Control Setup Before Falling Edge of PROG 1 15 tCYb28 55
tPC
Port Control Hold After Falling Edge of PROG
1 10 tCY
125
tPR
PROG to Time P2 Input Must Be Valid
8 15 tCYb16
tPF
Input Data Hold Time
0
tDP
Output Data Setup Time
2 10 tCY
250
tPD
Output Data Hold Time
1 10 tCYb80 45
tPP
PROG Pulse Width
6 10 tCY
750
NOTES
1 CL e 80 pF
2 CL e 20 pF
3 tCY e 1 25 ms
Max
650
150
Units
ns(1)
ns(2)
ns(1)
ns(2)
ns(1)
ns(2)
ns
14
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