SN64BCT240

OCTAL BUFFER/DRIVER

WITH 3-STATE OUTPUTS

SCBS049A – MAY 1990 – REVISED NOVEMBER 1993

3–3

POST OFFICE BOX 655303

recommended operating conditions

MIN

NOM

MAX

UNIT

VCC

Supply voltage

4.5

5

5.5

V

VIH

High-level input voltage

2

V

VIL

Low-level input voltage

0.8

V

IIK

Input clamp current

–18

mA

IOH

High-level output current

–15

mA

IOL

Low-level output current

64

mA

TA

Operating free-air temperature

–40

85

°C

electrical characteristics over recommended operating free-air temperature range (unless

otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

VIK

VCC = 4.5 V,

II = –18 mA

–1.2

V

VCC =4 5V

IOH = – 3 mA

2.4

3.3

VOH

VCC = 4.5 V

IOH = – 15 mA

2

3.1

V

VCC = 4.75 V,

IOH = – 3 mA

2.7

VOL

VCC = 4.5 V,

IOH = 64 mA

0.42

0.55

V

IOZH

VCC = 5.5 V,

VO = 2.7 V

50

µA

IOZL

VCC = 5.5 V,

VO = 0.5 V

–50

µA

IOZ

VCC = 0 to 2.3 V (power up)

VO =2 7Vor0 5V

OE at 0 8 V

"50

µA

IOZ

VCC = 1.8 V to 0 (power down)

VO = 2.7 V or 0.5 V,

OE at 0.8 V

"50

µA

II

VCC = 5.5 V,

VI = 7 V

0.1

mA

IIH

VCC = 5.5 V,

VI = 2.7 V

20

µA

IIL

VCC = 5.5 V,

VI = 0.5 V

–1

mA

IOS‡

VCC = 5.5 V,

VO = 0

– 100

– 225

mA

ICCL

VCC = 5.5 V

19

31

mA

ICCH

VCC = 5.5 V

46

71

mA

ICCZ

VCC = 5.5 V

6

9

mA

Ci

VCC = 5 V,

VI = 2.5 V or 0.5 V

6

pF

Co

VCC = 5 V,

VO = 2.5 V or 0.5 V

11

pF

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

‡ Not more than one output should be tested at a time, and the duration of the test should not exceed one second.