COP344C datasheet(2/24 Pages) NSC

Part #	COP344C

Description	Single-Chip 1k and 2k CMOS Microcontrollers

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Manufacturer	NSC [National Semiconductor (TI)]

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COP424CCOP425CCOP426C and COP444CCOP445C

Absolute Maximum Ratings

Supply Voltage (VCC)6V

Voltage at any Pin

b

03V to VCC a 03V

Total Allowable Source Current

25 mA

Total Allowable Sink Current

25 mA

Operating Temperature Range

0 Cto a70 C

Storage Temperature Range

b

65 Cto a150 C

Lead Temperature

(soldering 10 seconds)

300 C

Note

Absolute maximum ratings indicate limits beyond

which damage to the device may occur DC and AC electri-

cal specifications are not ensured when operating the de-

vice at absolute maximum ratings

DC Electrical Characteristics 0 CsTAs70 C unless otherwise specified

Parameter

Conditions

Min

Max

Units

Operating Voltage

24

55

V

Power Supply Ripple (Notes 4 5)

Peak to Peak

01 VCC

V

Supply Current

VCCe24V tce64 ms

120

m

A

(Note 1)

VCCe50V tce16 ms

700

m

A

VCCe50V tce4 ms

3000

m

A

(tc is instruction cycle time)

HALT Mode Current

VCCe50V FINe0 kHz

40

m

A

(Note 2)

VCCe24V FINe0 kHz

12

m

A

Input Voltage Levels

RESET CKI D0 (clock input)

Logic High

09 VCC

V

Logic Low

01 VCC

V

All Other Inputs

Logic High

07 VCC

V

Logic Low

02 VCC

V

Input Pull-Up Current

VCCe45V VINe0

b

30

b

330

m

A

Hi-Z Input Leakage

b

1

a

1

m

A

Input Capacitance (Note 4)

7pF

Output Voltage Levels

Standard Outputs

LSTTL Operation

VCCe50Vg10%

Logic High

IOHeb100 mA

27

V

Logic Low

IOLe400 mA

04

V

CMOS Operation

Logic High

IOHeb10 mAVCCb02

V

Logic Low

IOLe10 mA

02

V

Output Current Levels (except CKO)

Sink (Note 6)

VCCe45V VOUTeVCC

12

mA

VCCe24V VOUTeVCC

02

mA

Source (Standard Option)

VCCe45V VOUTe0V

b

05

mA

VCCe24V VOUTe0V

b

01

mA

Source (Low Current Option)

VCCe45V VOUTe0V

b

30

b

330

m

A

VCCe24V VOUTe0V

b

6

b

80

m

A

CKO Current Levels (As Clock Out)

Sink

d

4

03

mA

d

8VCCe45V CKIeVCC VOUTeVCC

06

mA

d

16

(

12

mA

Source

d

4

b

03

mA

d

8VCCe45V CKIe0V VOUTe0V

b

06

mA

d

16

(

b

12

mA

Allowable SinkSource Current per Pin

5

mA

(Note 6)

Allowable Loading on CKO (as HALT)

100

pF

Current Needed to Over-Ride HALT

(Note 3)

To Continue

VCCe45V VINe02VCC

07

mA

To Halt

VCCe45V VINe07VCC

16

mA

TRI-STATE or Open Drain

Leakage Current

b

25

a

25

m

A

2

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COP344C Datasheet(PDF) 2 Page - National Semiconductor (TI)

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