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參數(shù)資料
| 型號： | SN54AC74FK |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 鎖存器 |
| 英文描述： | AC SERIES, DUAL POSITIVE EDGE TRIGGERED D FLIP-FLOP, COMPLEMENTARY OUTPUT, CQCC20 |
| 封裝： | CERAMIC, LCC-20 |
| 文件頁數(shù)： | 1/10頁 |
| 文件大?。?/td> | 194K |
| 代理商： | SN54AC74FK |
SN54AC74, SN74AC74
DUAL POSITIVE-EDGE-TRIGGERED D-TYPE FLIP-FLOPS
WITH CLEAR AND PRESET
SCAS521D – AUGUST 1995 – REVISED SEPTEMBER 2002
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
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
SOIC
D
Tube
SN74AC74D
AC74
40
°Cto85°C
SOIC – D
Tape and reel
SN74AC74DR
AC74
–40
°C to 85°C
SOP – NS
Tape and reel
SN74AC74NSR
AC74
SSOP – DB
Tape and reel
SN74AC74DBR
AC74
TSSOP – PW
Tape and reel
SN74AC74PWR
AC74
CDIP – J
Tube
SNJ54AC74J
–55
°C to 125°C
CFP – W
Tube
SNJ54AC74W
LCCC – FK
Tube
SNJ54AC74FK
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are
available at www.ti.com/sc/package.
Copyright
2002, 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
GND
VCC
2CLR
2D
2CLK
2PRE
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
1D
1CLR
NC
2Q
V
2CLR
1Q
GND
NC
NC – No internal connection
CC
On products compliant to MIL-PRF-38535, 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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SN54AC74J | 制造商:TI 制造商全稱:Texas Instruments 功能描述:DUAL POSITIVE-EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH CLEAR AND PRESET |
| SN54AC74W | 制造商:TI 制造商全稱:Texas Instruments 功能描述:DUAL POSITIVE-EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH CLEAR AND PRESET |
| SN54AC86 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:QUADRUPLE 2-INPUT EXCLUSIVE-OR GATES |
| SN54AC86_06 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:QUADRUPLE 2-INPUT EXCLUSIVE-OR GATES |
| SN54AC86FK | 制造商:TI 制造商全稱:Texas Instruments 功能描述:QUADRUPLE 2-INPUT EXCLUSIVE-OR GATES |
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