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COP888EK Datasheet, PDF (9/46 Pages) National Semiconductor (TI) – 8-Bit CMOS ROM Based Microcontrollers with 8k Memory, Comparator, and Single-slope A/D Capability | |||
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Absolute Maximum Ratings (Note 17)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage (VCC)
Voltage at Any Pin
7V
â0.3V to VCC + 0.3V
Total Current into VCC Pin (Source)
Total Current out of GND Pin (Sink)
100 mA
110 mA
Storage Temperature Range
â65ËC to +140ËC
Note 17: Absolute maximum ratings indicate limits beyond which damage to
the device may occur. DC and AC electrical specifications are not ensured
when operating the device at absolute maximum ratings.
DC Electrical Characteristics 68xEK:
â55ËC ⤠TA ⤠+125ËC unless otherwise specified
Parameter
Conditions
Operating Voltage
Power Supply Ripple (Note 19)
Peak-to-Peak
Supply Current (Note 22)
CKI = 10 MHz
VCC = 5.5V, tc = 1 µs
HALT Current (Note 21)
IDLE Current (Note 22)
VCC = 5.5V, CKI = 0 MHz
CKI = 10 MHz
Input Levels (VIH, VIL)
RESET
VCC = 5.5V, tc = 1 µs
Logic High
Logic Low
CKI, All Other Inputs
Logic High
Logic Low
Hi-Z Input Leakage
Input Pullup Current
G and L Port Input Hysteresis (Note 24)
VCC = 5.5V
VCC = 5.5V, VIN = 0V
Output Current Levels
D Outputs
Source
Sink
All Others
VCC = 4.5V, VOH = 3.3V
VCC = 4.5V, VOL = 1.0V
Source (Weak Pull-Up Mode)
Source (Push-Pull Mode)
Sink (Push-Pull Mode)
TRI-STATE Leakage
Allowable Sink/Source Current per Pin
VCC = 4.5V, VOH = 2.7V
VCC = 4.5V, VOH = 3.3V
VCC = 4.5V, VOL = 0.4V
VCC = 5.5V
D Outputs (Sink)
All others
Maximum Input Current
Room Temp
without Latchup (Note 22)
RAM Retention Voltage, Vr
500 ns Rise and
and Fall Time (min)
Input Capacitance
Load Capacitance on D2
Min
Typ
Max
4.5
5.5
0.1 VCC
12.5
<10
30
1.7
0.8 VCC
0.7 VCC
â5
â35
0.2 VCC
0.2 VCC
+5
â400
0.35 VCC
â0.4
9.0
â9.0
â0.4
1.6
â5.0
â110
+5
12
2.5
±100
2
1.5
7
1000
Units
V
V
mA
µA
mA
V
V
V
V
µA
µA
V
mA
mA
µA
mA
mA
µA
mA
mA
mA
V
pF
pF
9
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