Data Sheet

AS2574B

Rev. 1

21

Jan. 1995

Parameter

Symbol

Min

Typ

Max

Unit

Condition

Supply Current

I

DD

Outputs unloaded

Operating except MF

200

250

µA

Operating MF

0.75

1

mA

Data Retention

1

2

µAV

24

µA

Note 1

Input Voltage

Low

Vil

V

SS

0.3xV

DD

V

High

Vih

0.7xV

DD

V

DD

V

Input Current

Low

Iil

1

µA

High

Iih

1

µA

Output Current

Sink

Iol

1.5

mA

Vol = 0.4V

Source

Ioh

1

mA

Voh = V

Pull-down Resistor

HS Input

Rhs

1

M

Ω

CD Input

Rcd

1

M

Ω

Scanning Current DT

During Pause

Sink

Isl

20

150

µA

Source

Ish

20

150

µA

Parameter

Symbol

Min

Typ

Max

Unit

Condition

Operating Temperatur

Top

- 25

70

°C

Operating Voltage

V

DD

2.5

3.0

5.5

V

Retention Voltage

V

DD

1.8

5.5

V

Oscillator Frequency

Fosc

681

kHz

Electrical Data

AbsoluteMaximumRatings

Recommended Operating Range

DCCharacteristics

Default conditions: Recommended Operating Range; V

Note 1: Circuit in Idle state (HS = Low and no key activated).

Positive Supply Voltage ...................................................................................................................-0.3V

≤ V

Input Voltage .......................................................................................................................-0.3V

≤ V

Input Current ................................................................................................................................................

± 25 mA

Storage Temperature ......................................................................................................................-65

°C to +125°C

Electrostatic Discharge (HBM) ......................................................................................................................

±1000V