English
Language : 

SN74LVC2G74_08 Datasheet, PDF (1/14 Pages) Texas Instruments – SINGLE POSITIVE-EDGE-TRIGGERED D-TYPE FLIP-FLOP WITH CLEAR AND PRESET
www.ti.com
FEATURES
SN74LVC2G74
SINGLE POSITIVE-EDGE-TRIGGERED D-TYPE FLIP-FLOP
WITH CLEAR AND PRESET
SCES203M – APRIL 1999 – REVISED FEBRUARY 2007
• Available in the Texas Instruments
NanoFree™ Package
• Supports 5-V VCC Operation
• Inputs Accept Voltages to 5.5 V
• Max tpd of 5.9 ns at 3.3 V
• Low Power Consumption, 10-µA Max ICC
• ±24-mA Output Drive at 3.3 V
• Typical VOLP (Output Ground Bounce)
<0.8 V at VCC = 3.3 V, TA = 25°C
• Typical VOHV (Output VOH Undershoot)
>2 V at VCC = 3.3 V, TA = 25°C
• Ioff Supports Partial-Power-Down Mode
Operation
• 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)
– 1000-V Charged-Device Model (C101)
CLK
D
Q
DCT PACKAGE
(TOP VIEW)
1
8
2
7
3
6
VCC
PRE
CLR
CLK
D
Q
GND
DCU PACKAGE
(TOP VIEW)
1
8
2
7
3
6
4
5
VCC
PRE
CLR
Q
YZP PACKAGE
(BOTTOM VIEW)
GND 4 5 Q
Q 3 6 CLR
D 2 7 PRE
CLK 1 8 VCC
GND
4
5
Q
See mechanical drawings for dimensions.
DESCRIPTION/ORDERING INFORMATION
This single positive-edge-triggered D-type flip-flop is designed for 1.65-V to 5.5-V VCC operation.
NanoFree™ package technology is a major breakthrough in IC packaging concepts, using the die as the
package.
A low level at the preset (PRE) or clear (CLR) input sets or resets the outputs, regardless of the levels of the
other inputs. When PRE and CLR are inactive (high), data at the data (D) input meeting the setup time
requirements is transferred to the outputs on the positive-going edge of the clock pulse. Clock triggering occurs
at a voltage level and is not related directly to the rise time of the clock pulse. Following the hold-time interval,
data at the D input can be changed without affecting the levels at the outputs.
This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs,
preventing damaging current backflow through the device when it is powered down.
ORDERING INFORMATION
TA
PACKAGE (1)
ORDERABLE PART NUMBER TOP-SIDE MARKING(2)
NanoFree™ – WCSP (DSBGA)
0.23-mm Large Bump – YZP (Pb-free)
Reel of 3000 SN74LVC2G74YZPR
_ _ _CP_
–40°C to 85°C SSOP – DCT
VSSOP – DCU
Reel of 3000
Reel of 3000
Reel of 250
SN74LVC2G74DCTR
SN74LVC2G74DCUR
SN74LVC2G74DCUT
C74_ _ _
C74_
(1) Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at
www.ti.com/sc/package.
(2) DCT: The actual top-side marking has three additional characters that designate the year, month, and assembly/test site.
DCU: The actual top-side marking has one additional character that designates the assembly/test site.
YZP: The actual top-side marking has three preceding characters to denote year, month, and sequence code, and one following
character to designate the assembly/test site. Pin 1 identifier indicates solder-bump composition (1 = SnPb, • = Pb-free).
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.
NanoFree is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 1999–2007, Texas Instruments Incorporated