COP820CJ Datasheet, PDF (6/35 Pages) National Semiconductor (TI) – 8-Bit CMOS ROM Based Microcontrollers with 1k or 2k Memory, Comparator and Brown Out Detector

AC Electrical Characteristics
−40˚C ≤ T_A ≤ +85˚C unless otherwise specified
Parameter
Conditions
Min
Typ
Max
Units
Instruction Cycle Time (tc)
Crystal/Resonator
R/C Oscillator
4.5V ≤ V_CC ≤ 6.0V
1
2.5V ≤ V_CC ≤ 4.5V
2.5
4.5V ≤ V_CC ≤ 6.0V
3
COP840CJ
2
DC
µs
DC
µs
DC
µs
DC
µs
2.5V ≤ V_CC ≤ 4.5V
7.5
COP840CJ
5
DC
µs
DC
µs
V_CC Rise Time when Using Brown
V_CC = 0V to 6V
50
µs
Out
Frequency at Brown Out Reset
4
MHz
CKI Frequency For Modular Output
4
MHz
CKI Clock Duty Cycle (Note 6)
fr = Max
40
60
%
Rise Time (Note 6)
fr = 10 MHz ext. Clock
12
ns
Fall Time (Note 6)
fr = 10 MHz ext. Clock
8
ns
Inputs
t_Setup
t_Hold
Output Propagation Delay
t_PD1, t_PD0
SO, SK
All Others
Input Pulse Width
4.5V ≤ V_CC ≤ 6.0V
200
2.5V ≤ V_CC ≤ 4.5V
500
4.5V ≤ V_CC ≤ 6.0V
60
2.5V ≤ V_CC ≤ 4.5V
150
R_L = 2.2k, CL = 100 pF
4.5V ≤ V_CC ≤ 6.0V
2.5V ≤ V_CC ≤ 4.5V
4.5V ≤ V_CC ≤ 6.0V
2.5V ≤ V_CC ≤ 4.5V
ns
ns
ns
ns
0.7
µs
1.75
µs
1
µs
5
µs
Interrupt Input High Time
1
tc
Interrupt Input Low Time
1
tc
Timer Input High Time
1
tc
Timer Input Low Time
1
tc
MICROWIRE Setup Time (t_µWS)
MICROWIRE Hold Time (t_µWH)
MICROWIRE Output
20
ns
56
ns
220
ns
Propagation Delay (t_µPD)
Reset Pulse Width
1.0
µs
Note 6: Parameter characterized but not production tested.
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DS011208-2
FIGURE 3. MICROWIRE/PLUS Timing
6