Datasheet

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FEATURES
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
1CLK
1K
1J
1PRE
1Q
1Q
2Q
GND
V
CC
1CLR
2CLR
2CLK
2K
2J
2PRE
2Q
D, DB, DGV, NS, OR PW PACKAGE
(TOP VIEW)
DESCRIPTION/ORDERING INFORMATION
SN74LVC112A
DUAL NEGATIVE-EDGE-TRIGGERED J-K FLIP-FLOP
WITH CLEAR AND PRESET
SCAS289L JANUARY 1993 REVISED AUGUST 2005
Operates From 1.65 V to 3.6 V
Inputs Accept Voltages to 5.5 V
Max t
pd
of 4.8 ns at 3.3 V
Typical V
OLP
(Output Ground Bounce)
<0.8 V at V
CC
= 3.3 V, T
A
= 25 ° C
Typical V
OHV
(Output V
OH
Undershoot)
>2 V at V
CC
= 3.3 V, T
A
= 25 ° C
Latch-Up Performance Exceeds 250 mA Per
JESD 17
ESD Protection Exceeds JESD 22
2000-V Human-Body Model (A114-A)
200-V Machine Model (A115-A)
1000-V Charged-Device Model (C101)
This dual negative-edge-triggered J-K flip-flop is designed for 1.65-V to 3.6-V V
CC
operation.
A low level at the preset ( PRE) or clear ( CLR) inputs sets or resets the outputs, regardless of the levels of the
other inputs. When PRE and CLR are inactive (high), data at the J and K inputs meeting the setup-time
requirements is transferred to the outputs on the negative-going edge of the clock pulse. Clock triggering occurs
at a voltage level and is not directly related to the rise time of the clock pulse. Following the hold-time interval,
data at the J and K inputs can be changed without affecting the levels at the outputs. The SN74LVC112A can
perform as a toggle flip-flop by tying J and K high.
Inputs can be driven from either 3.3-V or 5-V devices. This feature allows the use of these devices as translators
in a mixed 3.3-V/5-V system environment.
ORDERING INFORMATION
T
A
PACKAGE
(1)
ORDERABLE PART NUMBER TOP-SIDE MARKING
Tube of 40 SN74LVC112AD
SOIC D Reel of 2500 SN74LVC112ADR LVC112A
Reel of 250 SN74LVC112ADT
SOP NS Reel of 2000 SN74LVC112ANSR LVC112A
–40 ° C to 85 ° C SSOP DB Reel of 2000 SN74LVC112ADBR LC112A
Tube of 90 SN74LVC112APW
TSSOP PW Reel of 2000 SN74LVC112APWR LC112A
Reel of 250 SN74LVC112APWT
TVSOP DGV Reel of 2000 SN74LVC112ADGVR LC112A
(1) 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.
PRODUCTION DATA information is current as of publication date.
Copyright © 1993–2005, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.

Summary of content (17 pages)