SN75476 THRU SN75478

DUAL PERIPHERAL DRIVERS

SLRS025A – DECEMBER 1976 – REVISED NOVEMBER 1995

4

POST OFFICE BOX 655303

POST OFFICE BOX 1443

electrical characteristics over recommended operating free-air temperature range

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

VIK

Input clamp voltage

II = –12 mA

– 0.95

– 1.5

V

VCC = 4.5 V,

IOL = 100 mA

0.16

0.3

VOL

Low-level output voltage

VCC = 4.5 V,

VIH = 2 V,

IOL = 175 mA

0.22

0.5

V

VIL = 0.8 V

IOL = 300 mA

0.33

0.6

VO(BR)

Output breakdown voltage

VCC = 4.5 V,

IOH = 100 µA

70

100

V

VR(K)

Output clamp reverse voltage

VCC = 4.5 V,

IR = 100 µA

70

100

V

VF(K)

Output clamp forward voltage

VCC = 4.5 V,

IF = 300 mA

0.8

1.15

1.6

V

IOH

High level output current

VCC = 4.5 V,

VIH = 2 V,

1

100

µA

IOH

High-level output current

CC

,

VIL = 0.8 V,

IH

,

VOH = 70 V

1

100

µA

IIH

High-level input current

VCC = 5.5 V,

VI = 5.5 V

0.01

10

µA

IIL

Low level input current

A input

VCC =5 5V

VI =0 8 V

–80

–110

µA

IIL

Low-level input current

S input

VCC = 5.5 V,

VI = 0.8 V

– 160

– 220

µA

SN75476

VI = 5 V

10

17

ICCH

Supply current, outputs high

SN75477

VCC = 5.5 V

VI = 0

10

17

mA

SN75478

VI = 5 V

10

17

SN75476

VI = 0

54

75

ICCL

Supply current, outputs low

SN75477

VCC = 5.5 V

VI = 5 V

54

75

mA

SN75478

VI = 0

54

75

† All typical values are at VCC = 5 V, TA = 25°C.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

tPLH

Propagation delay time, low-to-high-level output

200

350

ns

tPHL

Propagation delay time, high-to-low-level output

CL = 15 pF,

RL = 100 Ω,

200

350

ns

tTLH

Transition time, low-to-high-level output

L

,

See Figure 1

L

,

50

125

ns

tTHL

Transition time, high-to-low-level output

90

125

ns

VOH

High level output voltage after switching

VS = 55 V,

IO ≈ 300 mA,

VS 18

mV

VOH

High-level output voltage after switching

S

,

See Figure 2

O

,

VS – 18

mV