PC911 datasheet(3/5 Pages) SHARP

3 / 5 page

s Recommended Operating Conditions

PC911

1. When the enable input is not used, please connect to VCC.

2. In order to stabilize power supply line, connect a by-pass ceramic

capacitor ( 0.01 to 0.1

µ F) between VCC and GND at the position within

Fig. 2 Test Circuit for t EHL and tELH

L : Logic ( 0)

Z : High impedance

Cathode

Anode

GND

VCC

VE (Enable)

and wiring capacitance.

0.1

µ F

Ω

1.5V

0mA

3.75mA

7.5mA

Pulse input

CL includes the probe

VOL

10 %

90 %

tPLH

tPHL

0.1

µ F

1.5V

and wiring capacitance.

Pulse input V E

IF = 7.5mA

R L= 350 Ω

CL includes the probe

VOL

tEHL

tELH

1cm from pin.

H : Logic ( 1)

Parameter

Symbol

MIN.

MAX.

Unit

Low level input current

I FL

250

µ A

High level input current

I FH

715

High level enable voltage

V EH

2.0

V CC

Low level enable voltage

V EL

0.8

Supply voltage

V CC

4.5

5.5

Fanout

( TTL load )

N-

Operating temperature

T opr

070

˚C

Input

Enable

Output

PHL

, t PLH, t r and t f

Truth table

Block Diagram

Fig. 1 Test Circuit for t

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