MC3488AD View Datasheet(PDF) - Motorola => Freescale

Part Name

Description

Manufacturer

MC3488AD

Dual EIA−423/EIA−232D Line Driver

Motorola => Freescale 

MC3488A

TRANSITION TIMES (Unless otherwise noted, CL = 30 pF, f = 1.0 kHz, VCC = – VEE = 12.0 V ± 10%, TA = 25°C, RL = 450 Ω.

Transition times measured 10% to 90% and 90% to 10%)

Characteristic

Symbol

Min

Typ

Max

Unit

Transition Time, Low–to–High State Output

tTLH

µs

(RW = 10 kΩ)

0.8

–

1.4

(RW = 100 kΩ)

8.0

–

14

(RW = 500 kΩ)

40

–

70

(RW = 1000 kΩ)

80

–

140

Transition Time, High–to–Low State Output

tTHL

µs

(RW = 10 kΩ)

0.8

–

1.4

(RW = 100 kΩ)

8.0

–

14

(RW = 500 kΩ)

40

–

70

(RW = 1000 kΩ)

80

–

140

Figure 1. Test Circuit and Waveforms

for Transition Times

To

Scope

VCC

(Input)

To

Scope

(Output)

Pulse

Generator

f = 1.0 kHz

PW = 500 µs

MC3488A

50

RWS

VEE

3.0 V

Input

0V

VOH

90%

0V

Output

VOL

10%

tTHL

RL

CL

(Includes

Probe and Jig

Capacitance)

Note: Input Rise

p and Fall Times

(10% to 90%) 10 ns

90%

10%

tTLH

MOTOROLA ANALOG IC DEVICE DATA

3

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