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SN74AC74NSRE4 데이터시트(PDF) 1 Page - Texas Instruments

부품명 SN74AC74NSRE4
상세설명  DUAL POSITIVE-EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH CLEAR AND PRESET
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제조업체  TI [Texas Instruments]
홈페이지  http://www.ti.com
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SN74AC74NSRE4 데이터시트(HTML) 1 Page - Texas Instruments

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SN54AC74, SN74AC74
DUAL POSITIVEEDGETRIGGERED DTYPE FLIPFLOPS
WITH CLEAR AND PRESET
SCAS521F − AUGUST 1995 − REVISED OCTOBER 2003
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D 2-V to 6-V VCC Operation
D Inputs Accept Voltages to 6 V
D Max tpd of 10 ns at 5 V
description/ordering information
The ’AC74 devices are dual positive-edge-
triggered D-type flip-flops.
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 directly related to the rise time of the
clock pulse. Following the hold-time interval, data
at D can be changed without affecting the levels
at the outputs.
ORDERING INFORMATION
TA
PACKAGE†
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
PDIP − N
Tube
SN74AC74N
SN74AC74N
SOIC − D
Tube
SN74AC74D
AC74
SOIC − D
Tape and reel
SN74AC74DR
AC74
−40
°C to 85°C
SOP − NS
Tape and reel
SN74AC74NSR
AC74
−40 C to 85 C
SSOP − DB
Tape and reel
SN74AC74DBR
AC74
TSSOP − PW
Tube
SN74AC74PW
AC74
TSSOP − PW
Tape and reel
SN74AC74PWR
AC74
CDIP − J
Tube
SNJ54AC74J
SNJ54AC74J
−55
°C to 125°C
CFP − W
Tube
SNJ54AC74W
SNJ54AC74W
−55 C to 125 C
LCCC − FK
Tube
SNJ54AC74FK
SNJ54AC74FK
† Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are
available at www.ti.com/sc/package.
Copyright
 2003, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
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.
1
2
3
4
5
6
7
14
13
12
11
10
9
8
1CLR
1D
1CLK
1PRE
1Q
1Q
GND
VCC
2CLR
2D
2CLK
2PRE
2Q
2Q
SN54AC74 . . . FK PACKAGE
(TOP VIEW)
SN54AC74 ...J OR W PACKAGE
SN74AC74 . . . D, DB, N, NS, OR PW PACKAGE
(TOP VIEW)
3
2
1 20 19
910 11 12 13
4
5
6
7
8
18
17
16
15
14
2D
NC
2CLK
NC
2PRE
1CLK
NC
1PRE
NC
1Q
NC − No internal connection
On products compliant to MILPRF38535, all parameters are tested
unless otherwise noted. On all other products, production
processing does not necessarily include testing of all parameters.


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