參數(shù)資料
型號： SN74AHCT74DE4
廠商： TEXAS INSTRUMENTS INC
元件分類： 鎖存器
英文描述： AHCT/VHCT/VT SERIES, DUAL POSITIVE EDGE TRIGGERED D FLIP-FLOP, COMPLEMENTARY OUTPUT, PDSO14
封裝： GREEN, PLASTIC, MS-012AB, SOIC-14
文件頁數(shù)： 1/25頁
文件大?。?/td> 1045K
代理商： SN74AHCT74DE4
SN54AHCT74, SN74AHCT74
DUAL POSITIVE-EDGE-TRIGGERED D-TYPE FLIP-FLOPS
WITH CLEAR AND PRESET
SCLS263N DECEMBER 1995 REVISED JULY 2003
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Inputs Are TTL-Voltage Compatible
D Latch-Up Performance Exceeds 250 mA Per
JESD 17
D ESD Protection Exceeds JESD 22
2000-V Human-Body Model (A114-A)
200-V Machine Model (A115-A)
1000-V Charged-Device Model (C101)
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
SN54AHCT74 ...J OR W PACKAGE
SN74AHCT74 ...D, DB, DGV, N, NS,
OR PW PACKAGE
(TOP VIEW)
32 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
SN54AHCT74 . . . FK PACKAGE
(TOP VIEW)
CC
NC No internal connection
SN74AHCT74 . . . RGY PACKAGE
(TOP VIEW)
114
78
2
3
4
5
6
13
12
11
10
9
2CLR
2D
2CLK
2PRE
2Q
1D
1CLK
1PRE
1Q
1CLR
2Q
V
GND
CC
description/ordering information
The ’AHCT74 dual positive-edge-triggered devices are D-type flip-flops.
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 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 the D input can be changed without affecting the levels at the outputs.
ORDERING INFORMATION
TA
PACKAGE
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
QFN RGY
Tape and reel
SN74AHCT74RGYR
HB74
PDIP N
Tube
SN74AHCT74N
SOIC
D
Tube
SN74AHCT74D
AHCT74
SOIC D
Tape and reel
SN74AHCT74DR
AHCT74
40
°C to 85°C
SOP NS
Tape and reel
SN74AHCT74NSR
AHCT74
SSOP DB
Tape and reel
SN74AHCT74DBR
HB74
TSSOP
PW
Tube
SN74AHCT74PW
HB74
TSSOP PW
Tape and reel
SN74AHCT74PWR
HB74
TVSOP DGV
Tape and reel
SN74AHCT74DGVR
HB74
CDIP J
Tube
SNJ54AHCT74J
55
°C to 125°C
CFP W
Tube
SNJ54AHCT74W
55 C to 125 C
LCCC FK
Tube
SNJ54AHCT74FK
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.
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.
相關(guān)PDF資料
PDF描述
SN74AHCT74DBR AHCT/VHCT/VT SERIES, DUAL POSITIVE EDGE TRIGGERED D FLIP-FLOP, COMPLEMENTARY OUTPUT, PDSO14
SN74AHCT74PWR AHCT/VHCT/VT SERIES, DUAL POSITIVE EDGE TRIGGERED D FLIP-FLOP, COMPLEMENTARY OUTPUT, PDSO14
SN74AHCT86PWG4 AHCT/VHCT/VT SERIES, QUAD 2-INPUT XOR GATE, PDSO14
SNJ54AHCT86WR AHCT/VHCT/VT SERIES, QUAD 2-INPUT XOR GATE, CDFP14
SNJ54AHCT86FK AHCT/VHCT/VT SERIES, QUAD 2-INPUT XOR GATE, CQCC20
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SN74AHCT74DG4 功能描述:觸發(fā)器 Dual Pos Edge Trgrd DType FlipFlop RoHS:否 制造商:Texas Instruments 電路數(shù)量:2 邏輯系列:SN74 邏輯類型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類型:CMOS 輸出類型: 傳播延遲時間:4.4 ns 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:X2SON-8 封裝:Reel
SN74AHCT74DGVR 功能描述:觸發(fā)器 Dual w/Clear Preset RoHS:否 制造商:Texas Instruments 電路數(shù)量:2 邏輯系列:SN74 邏輯類型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類型:CMOS 輸出類型: 傳播延遲時間:4.4 ns 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:X2SON-8 封裝:Reel
SN74AHCT74DGVRE4 功能描述:觸發(fā)器 Dual Pos-Edge-Trig D-Type Flip-Flop RoHS:否 制造商:Texas Instruments 電路數(shù)量:2 邏輯系列:SN74 邏輯類型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類型:CMOS 輸出類型: 傳播延遲時間:4.4 ns 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:X2SON-8 封裝:Reel
SN74AHCT74DGVRG4 功能描述:觸發(fā)器 Dual Pos Edge Trgrd DType FlipFlop RoHS:否 制造商:Texas Instruments 電路數(shù)量:2 邏輯系列:SN74 邏輯類型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類型:CMOS 輸出類型: 傳播延遲時間:4.4 ns 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:X2SON-8 封裝:Reel
SN74AHCT74DR 功能描述:觸發(fā)器 Dual w/Clear Preset RoHS:否 制造商:Texas Instruments 電路數(shù)量:2 邏輯系列:SN74 邏輯類型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類型:CMOS 輸出類型: 傳播延遲時間:4.4 ns 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:X2SON-8 封裝:Reel
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