ꢀꢁ ꢂꢃ ꢄꢅꢆ ꢇ ꢆ ꢈꢉ ꢀꢁꢊ ꢃꢄꢅ ꢆꢇ ꢆꢈ
ꢋꢌꢈ ꢄ ꢃ ꢍꢎꢏ ꢐ ꢎꢏ ꢁꢈꢑꢒ ꢓ ꢔꢌ ꢁ ꢐꢕ ꢑꢀ
SCLS457D − FEBRUARY 2001 − REVISED APRIL 2005
SN54LV393A . . . J OR W PACKAGE
SN74LV393A . . . D, DB, DGV, NS, OR PW PACKAGE
(TOP VIEW)
D
D
D
D
D
D
2-V to 5.5-V V
Operation
CC
Max t of 10 ns at 5 V
pd
Typical V
<0.8 V at V
(Output Ground Bounce)
OLP
CC
= 3.3 V, T = 25°C
1CLK
1CLR
V
CC
2CLK
2CLR
1
2
3
4
5
6
7
14
13
12
11
A
Typical V
>2.3 V at V
(Output V
Undershoot)
OHV
CC
OH
1Q
A
= 3.3 V, T = 25°C
A
1Q
B
2Q
A
I
Supports Partial-Power-Down-Mode
off
1Q
1Q
10 2Q
C
B
C
D
Operation
9
8
2Q
2Q
D
Dual 4-Bit Binary Counters With Individual
Clocks
GND
D
Direct Clear for Each 4-Bit Counter
D
Can Significantly Improve System
Densities by Reducing Counter Package
Count by 50 Percent
SN54LV393A . . . FK PACKAGE
(TOP VIEW)
D
D
Latch-Up Performance Exceeds 100 mA Per
JESD 78, Class II
ESD Protection Exceeds JESD 22
− 2000-V Human-Body Model (A114-A)
− 200-V Machine Model (A115-A)
3
2
1 20 19
18
2CLR
NC
1Q
4
5
6
7
8
A
NC
17
16
2Q
A
1Q
B
− 1000-V Charged-Device Model (C101)
15 NC
14
9 10 11 12 13
NC
2Q
1Q
description/ordering information
B
C
The ’LV393A devices contain eight flip-flops and
additional gating to implement two individual 4-bit
counters in a single package. These devices are
NC − No internal connection
designed for 2-V to 5.5-V V
operation.
CC
ORDERING INFORMATION
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
†
PACKAGE
T
A
Tube of 50
SN74LV393AD
SOIC − D
LV393A
Reel of 2500
Reel of 2000
Reel of 2000
Tube of 90
SN74LV393ADR
SN74LV393ANSR
SN74LV393ADBR
SN74LV393APW
SN74LV393APWR
SN74LV393APWT
SN74LV393ADGVR
SNJ54LV393AJ
SOP − NS
74LV393A
LV393A
SSOP − DB
−40°C to 85°C
Reel of 2000
Reel of 250
Reel of 2000
Tube of 25
TSSOP − PW
LV393A
TVSOP − DGV
CDIP − J
LV393A
SNJ54LV393AJ
SNJ54LV393AW
SNJ54LV393AFK
−55°C to 125°C
CFP − W
Tube of 150
Tube of 55
SNJ54LV393AW
SNJ54LV393AFK
LCCC − FK
†
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design
guidelines are available at www.ti.com/sc/package.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Copyright 2005, Texas Instruments Incorporated
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