SN54LV123A, SN74LV123A

DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATORS

WITH SCHMITT-TRIGGER INPUTS

SCLS393O − APRIL 1998 − REVISED OCTOBER 2005

6

POST OFFICE BOX 655303

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

otherwise noted)

PARAMETER

TEST CONDITIONS

V

SN54LV123A

SN74LV123A

UNIT

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

MIN

TYP

MAX

UNIT

2 V to 5.5 V

V

2.3 V

2

2

V

3 V

2.48

2.48

V

4.5 V

3.8

3.8

2 V to 5.5 V

0.1

0.1

V

2.3 V

0.4

0.4

V

3 V

0.44

0.44

V

4.5 V

0.55

0.55

2 V to 5.5 V

±2.5

±2.5

A B

d CLR

V

55VorGND

0

±1

±1

μA

I

A, B, and CLR

0 to 5.5 V

±1

±1

μ

Quiescent

5.5 V

20

20

μA

2.3 V

220

220

I

Active state

3 V

280

280

A

Active state

(per circuit)

4.5 V

650

650

μA

CC

5.5 V

975

975

0

5

μA

C

V

V

or GND

3.3 V

1.9

1.9

pF

5 V

1.9

1.9

pF

(unless otherwise noted) (see Figure 1)

TEST CONDITIONS

SN54LV123A

SN74LV123A

UNIT

TEST CONDITIONS

MIN

TYP

MAX

MIN

MAX

MIN

MAX

UNIT

t

Pulse

CLR

6

6.5

6.5

ns

Pulse

duration

A or B trigger

6

6.5

6.5

ns

t

Pulse retrigger time

R

1k

Ω

‡

94

‡

‡

ns

Pulse retrigger time

‡

2

‡

‡

ms

(unless otherwise noted) (see Figure 1)

TEST CONDITIONS

SN54LV123A

SN74LV123A

UNIT

TEST CONDITIONS

MIN

TYP

MAX

MIN

MAX

MIN

MAX

UNIT

t

Pulse

CLR

5

5

5

ns

Pulse

duration

A or B trigger

5

5

5

ns

t

Pulse retrigger time

R

1k

Ω

‡

76

‡

‡

ns

Pulse retrigger time

‡

1.8

‡

‡

ms

PRODUCT PREVIEW information concerns products in the formative or

design phase of development. Characteristic data and other

specifications are design goals. Texas Instruments reserves the right to

change or discontinue these products without notice.