COP888EK datasheet(7/46 Pages) NSC

Part #	COP888EK

Description	8-Bit CMOS ROM Based Microcontrollers with 8k Memory, Comparator, and Single-slope A/D Capability

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Manufacturer	NSC [National Semiconductor (TI)]

Direct Link	http://www.national.com

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Absolute Maximum Ratings (Note 9)

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 9:

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 88xEK:

−40˚C

≤ T

A ≤ +85˚C unless otherwise specified

Parameter

Conditions

Min

Typ

Max

Units

Operating Voltage

2.5

6.0

V

Power Supply Ripple (Note 11)

Peak-to-Peak

0.1 V

CC

V

Supply Current (Note 12)

CKI = 10 MHz

V

CC = 6.0V, tc = 1 µs

10.0

mA

CKI = 4 MHz

V

CC = 2.5V, tc = 2.5 µs

1.7

mA

HALT Current (Note 13)

V

CC = 6.0V, CKI = 0 MHz

<410

µA

IDLE Current (Note 12)

CKI = 10 MHz

V

CC = 6.0V, tc = 1 µs

0.4

1.7

mA

CKI = 4 MHz

V

CC = 6.0V, tc = 2.5 µs

0.2

0.5

mA

Input Levels (V

IH,VIL)

RESET

Logic High

0.8 V

CC

V

Logic Low

0.2 V

CC

V

CKI, All Other Inputs

Logic High

0.7 V

CC

V

Logic Low

0.2 V

CC

V

Hi-Z Input Leakage

V

CC = 6.0V

−2

+2

µA

Input Pullup Current

V

CC = 6.0V, VIN = 0V

−40

−250

µA

G and L Port Input Hysteresis (Note 16)

0.35 V

CC

V

Output Current Levels

D Outputs

Source

V

CC = 4.0V, VOH = 3.3V

−0.4

mA

V

CC = 2.5V, VOH = 1.8V

−0.2

mA

Sink

V

CC = 4.0V, VOL = 1V

10

mA

V

CC = 2.5V, VOL = 0.4V

2.0

mA

All Others

Source (Weak Pull-Up Mode)

V

CC = 4.0V, VOH = 2.7V

−10

−100

µA

V

CC = 2.5V, VOH = 1.8V

−2.5

−33

µA

Source (Push-Pull Mode)

V

CC = 4.0V, VOH = 3.3V

−0.4

mA

V

CC = 2.5V, VOH = 1.8V

−0.2

mA

Sink (Push-Pull Mode)

V

CC = 4.0V, VOL = 0.4V

1.6

mA

V

CC = 2.5V, VOL = 0.4V

0.7

mA

TRI-STATE Leakage

V

CC = 6.0V

−2

+2

µA

Allowable Sink/Source Current per Pin

(Note 16)

D Outputs (Sink)

15

mA

All others

3mA

Maximum Input Current

Room Temp

±100

mA

without Latchup (Note 14)

RAM Retention Voltage, V

r

500 ns Rise

2

V

and Fall Time (min)

Input Capacitance

7pF

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COP888EK Datasheet(PDF) 7 Page - National Semiconductor (TI)

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