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SCES498B − OCTOBER 2003 − REVISED DECEMBER 2003
DCT OR DCU PACKAGE
(TOP VIEW)
D
Available in the Texas Instruments
NanoStar and NanoFree Packages
Supports 5-V V Operation
D
D
D
D
D
D
CC
1CLK
1D
2Q
GND
V
CC
1Q
2D
2CLK
1
2
3
4
8
7
6
5
Inputs Accept Voltages to 5.5 V
Max t of 4.2 ns at 3.3 V
pd
Low Power Consumption, 10-µA Max I
CC
24-mA Output Drive at 3.3 V
YEP OR YZP PACKAGE
(BOTTOM VIEW)
Typical V
<0.8 V at V
(Output Ground Bounce)
OLP
CC
= 3.3 V, T = 25°C
A
4 5
3 6
2 7
1 8
GND
2Q
1D
2CLK
2D
1Q
D
D
D
D
Typical V
(Output V
Undershoot)
OHV
OH
>2 V at V
= 3.3 V, T = 25°C
CC
A
I
Feature Supports Partial-Power-Down
off
1CLK
V
CC
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)
description/ordering information
This dual positive-edge-triggered D-type flip-flop is designed for 1.65-V to 5.5-V V
operation.
CC
When data at the data (D) input meets the setup time requirement, the data is transferred to the Q output on
the positive-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 D input can be changed without
affecting the levels at the outputs.
NanoStar and NanoFree package technology is a major breakthrough in IC packaging concepts, using the
die as the package.
ORDERING INFORMATION
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
†
T
A
PACKAGE
‡
NanoStar − WCSP (DSBGA)
0.23-mm Large Bump − YEP
SN74LVC2G79YEPR
SN74LVC2G79YZPR
Tape and reel
_ _ _CR_
NanoFree − WCSP (DSBGA)
0.23-mm Large Bump − YZP (Pb-free)
−40°C to 85°C
SSOP − DCT
Tape and reel
Tape and reel
SN74LVC2G79DCTR
SN74LVC2G79DCUR
C79_ _ _
C79_
VSSOP − DCU
†
‡
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at
www.ti.com/sc/package.
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.
YEP/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.
NanoStar and NanoFree are trademarks of Texas Instruments.
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Copyright 2003, Texas Instruments Incorporated
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1
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