SN54LV123A, SN74LV123A

DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATORS

WITH SCHMITT-TRIGGER INPUTS

SCLS393O − APRIL 1998 − REVISED OCTOBER 2005

2

POST OFFICE BOX 655303

description/ordering information (continued)

During power up, Q outputs are in the low state, and Q outputs are in the high state. The outputs are glitch free,

without applying a reset pulse.

outputs, preventing damaging current backflow through the devices when they are powered down.

Pin assignments for these devices are identical to those of the ’AHC123A and ’AHCT123A devices for

interchangeability, when allowed.

ORDERING INFORMATION

ORDERABLE

PART NUMBER

TOP-SIDE

MARKING

QFN − RGY

Reel of 1000

SN74LV123ARGYR

LV123A

SOIC

D

Tube of 40

SN74LV123AD

LV123A

SOIC − D

Reel of 2500

SN74LV123ADR

LV123A

SOP − NS

Reel of 2000

SN74LV123ANSR

74LV123A

−40

°C to 85°C

SSOP − DB

Reel of 2000

SN74LV123ADBR

LV123A

40 C to 85 C

Tube of 90

SN74LV123APW

TSSOP − PW

Reel of 2000

SN74LV123APWR

LV123A

TSSOP

PW

Reel of 250

SN74LV123APWT

LV123A

TVSOP − DGV

Reel of 2000

SN74LV123ADGVR

LV123A

CDIP − J

Tube of 25

SNJ54LV123AJ

SNJ54LV123AJ

−55

°C to 125°C

CFP − W

Tube of 150

SNJ54LV123AW

SNJ54LV123AW

55 C to 125 C

LCCC − FK

Tube of 55

SNJ54LV123AFK

SNJ54LV123AFK

guidelines are available at www.ti.com/sc/package.

FUNCTION TABLE

(each multivibrator)

INPUTS

OUTPUTS

CLR

A

B

Q

Q

L

X

X

L

H

X

HX

X

XL

H

L

↑

H

↓

H

↑

L

H

assumption

that

the

indicated

steady-state conditions at the A and

B inputs have been set up long enough to

complete any pulse started before the

setup.