COP888XG datasheet(11/53 Pages) NSC

Part #	COP888XG

Description	8-Bit CMOS ROM Based Microcontrollers with 4k to 24k Memory, Comparators and USART

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Manufacturer	NSC [National Semiconductor (TI)]

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Absolute Maximum Ratings (Note 5)

If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

Supply Voltage (V

CC)7V

Voltage at Any Pin

−0.3V to V

CC + 0.3V

Total Current into V

CC Pin (Source)

100 mA

Total Current out of GND Pin (Sink)

110 mA

Storage Temperature Range

−65˚C to +140˚C

Note 5:

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 68xCS and 68xxG:

−55˚C

≤ T

A ≤ +125˚C unless otherwise specified

Parameter

Conditions

Min

Typ

Max

Units

Operating Voltage

4.5

5.5

V

Power Supply Ripple (Note 6)

Peak-to-Peak

0.1 V

CC

V

Supply Current (Note 7)

CKI = 10 MHz

V

CC = 5.5V, tc = 1 µs

12.5

mA

CKI = 4 MHz

V

CC = 5.5V, tc = 2.5 µs

5.5

mA

HALT Current (Note 8)

V

CC = 5.5V, CKI = 0 MHz

<10

30

µA

IDLE Current

CKI = 10 MHz

V

CC = 5.5V, tc = 1 µs

3.5

mA

CKI = 4 MHz

V

CC = 5.5V, tc = 2.5 µs

2.5

mA

Input Levels (V

IH,VIL)

RESET

Logic High

0.8 V

CC

V

Logic Low

0.2 V

CC

V

CKI (68xCS & 68xEG only)

Logic High

0.7 V

CC

V

Logic Low

0.2 V

CC

V

All Other Inputs

Logic High

0.7 V

CC

V

Logic Low

0.2 V

CC

V

Hi-Z Input Leakage

V

CC = 5.5V, VIN = 0V

−5

+5

µA

Input Pullup Current

V

CC = 5.5V, VIN = 0V

−35

−400

µA

G and L Port Input Hysteresis

(Note 10)

0.35 V

CC

V

Output Current Levels

D Outputs

Source

V

CC = 4.5V, VOH = 3.3V

−0.4

mA

Sink

V

CC = 4.5V, VOL = 1V

9

mA

All Others

Source (Weak Pull-Up Mode)

V

CC = 4.5V, VOH = 2.7V

−9

−140

µA

Source (Push-Pull Mode)

V

CC = 4.5V, VOH = 3.3V

−0.4

mA

Sink (Push-Pull Mode)

V

CC = 4.5V, VOL = 0.4V

1.4

mA

TRI-STATE Leakage

V

CC = 5.5V

−5

+5

µA

Allowable Sink/Source

Current per Pin

D Outputs (Sink)

12

mA

All others

2.5

mA

Maximum Input Current

without Latchup (Notes 9, 10)

Room Temp

±100

mA

RAM Retention Voltage, V

r

500 ns Rise and Fall Time (min)

2

V

Input Capacitance

(Note 10)

7

pF

Load Capacitance on D2

(Note 10)

1000

pF

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