COPCH942C Datasheet, PDF (9/26 Pages) National Semiconductor (TI) – 8-Bit CMOS ROM Based Microcontrollers with 1k or 2k

AC Electrical Characteristics
−55˚C ≤ T_A≤+125˚C unless otherwise specified
Parameter
Condition
Instruction Cycle Time (tc)
Ext. or Crystal/Resonant
(Div-by 10)
V_CC ≥ 4.5V
CKI Clock Duty Cycle (Note 18)
fr = Max
Rise Time (Note 18)
Fall Time (Note 18)
Inputs
t_SETUP
t_HOLD
Output Propagation Delay
t_PD1, t_PD0
SO, SK
All Others
MICROWIRE Setup Time (t_UWS)
MICROWIRE Hold Time (t_UWH)
MICROWIRE Output Valid Time
(t_UPD)
Input Pulse Width
Interrupt Input High Time
Interrupt Input Low Time
Timer Input High Time
Timer Input Low Time
Reset Pulse Width
fr = 10 MHz Ext Clock
fr = 10 MHz Ext Clock
V_CC ≥ 4.5V
V_CC ≥ 4.5V
R_L = 2.2k, C_L = 100 pF
V_CC ≥ 4.5V
V_CC ≥ 4.5V
Note 18: Parameter sampled (not 100% tested).
Min
Typ
Max
1
DC
40
60
12
8
220
66
0.8
1.1
20
56
220
t_C
t_C
t_C
t_C
1
Typical Performance Characteristics (−40˚C ≤ T_A ≤ +85˚C)
Halt — I_DD
Dynamic — I_DD (Crystal Clock Option)
Units
µs
%
ns
ns
ns
ns
µs
µs
ns
ns
ns
µs
DS009103-20
DS009103-21
9
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