English
Language : 

COP888CF Datasheet, PDF (7/44 Pages) National Semiconductor (TI) – 8-Bit CMOS ROM Based Microcontrollers with 4k Memory and A/D Converter
AC Electrical Characteristics
0˚C ≤ TA ≤ +70˚C unless otherwise specified
Parameter
Instruction Cycle Time (tc)
Crystal, Resonator
R/C Oscillator
Inputs
tSETUP
tHOLD
Output Propagation Delay (Note 9)
tPD1, tPD0
SO, SK
All Others
MICROWIRE Setup Time (tUWS)
MICROWIRE Hold Time (tUWH)
MICROWIRE Output Propagation Delay (tUPD)
Input Pulse Width
Interrupt Input High Time
Interrupt Input Low Time
Timer Input High Time
Conditions
4V ≤ VCC ≤ 6V
2.5V ≤ VCC < 4V
4V ≤ VCC ≤ 6V
2.5V ≤ VCC < 4V
4V ≤ VCC ≤ 6V
2.5V ≤ VCC < 4V
4V ≤ VCC ≤ 6V
2.5V ≤ VCC < 4V
RL = 2.2k, CL = 100 pF
4V ≤ VCC ≤ 6V
2.5V ≤ VCC < 4V
4V ≤ VCC ≤ 6V
2.5V ≤ VCC < 4V
Min
Typ
1
2.5
3
7.5
200
500
60
150
20
56
1
1
1
Timer Input Low Time
1
Reset Pulse Width
1
Note 9: The output propagation delay is referenced to the end of the instruction cycle where the output change occurs.
Max
DC
DC
DC
DC
0.7
1.75
1
2.5
220
Units
µs
µs
µs
µs
ns
ns
ns
ns
µs
µs
µs
µs
ns
ns
ns
tc
tc
tc
tc
µs
7
www.national.com