SN54F374, SN74F374

OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS

WITH 3-STATE OUTPUTS

SDFS077A – D2932, MARCH 1987 – REVISED OCTOBER 1993

2–3

POST OFFICE BOX 655303

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

otherwise noted)

PARAMETER

TEST CONDITIONS

SN54F374

SN74F374

UNIT

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

MIN

TYP†

MAX

UNIT

VIK

VCC = 4.5 V,

II = – 18 mA

– 1.2

– 1.2

V

VCC =4 5V

IOH = – 1 mA

2.5

3.4

2.5

3.4

VOH

VCC = 4.5 V

IOH = – 3 mA

2.4

3.3

2.4

3.3

V

VCC = 4.75 V,

IOH = – 1 mA to – 3 mA

2.7

VOL

VCC =4 5V

IOL = 20 mA

0.3

0.5

V

VOL

VCC = 4.5 V

IOL = 24 mA

0.35

0.5

V

IOZH

VCC = 5.5 V,

VO = 2.7 V

50

50

µA

IOZL

VCC = 5.5 V,

VO = 0.5 V

–50

–50

µA

II

VCC = 5.5 V,

VI = 7 V

0.1

0.1

mA

IIH

VCC = 5.5 V,

VI = 2.7 V

20

20

µA

IIL

VCC = 5.5 V,

VI = 0.5 V

– 0.6

– 0.6

mA

IOS‡

VCC = 5.5 V,

VO = 0

–60

–150

–60

–150

mA

ICCZ

VCC = 5.5 V,

See Note 2

55

86

55

86

mA

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

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

NOTE 2: ICCZ is measured with OE at 4.5 V and all other inputs grounded.

timing requirements over recommended ranges of supply voltage and operating free-air

temperature (unless otherwise noted)

VCC = 5 V,

TA = 25°C

SN54F374

SN74F374

UNIT

′F374

UNIT

MIN

MAX

MIN

MAX

MIN

MAX

fclock

Clock frequency

0

100

0

60

0

70

MHz

t

Pulse duration

CLK high

7

7

7

ns

tw

Pulse duration

CLK low

6

6

6

ns

t

Setup time data before CLK

↑

High

2

2.5

2

ns

tsu

Setup time, data before CLK

↑

Low

2

2

2

ns

th

Hold time data after CLK

↑

High

2

2

2

ns

th

Hold time, data after CLK

↑

Low

2

2.5

2

ns