參數(shù)資料
型號: SNJ54AHCT574W
廠商: TEXAS INSTRUMENTS INC
元件分類: 總線收發(fā)器
英文描述: AHCT/VHCT/VT SERIES, 8-BIT DRIVER, TRUE OUTPUT, CDFP20
封裝: CERAMIC, DFP-20
文件頁數(shù): 1/20頁
文件大小: 777K
代理商: SNJ54AHCT574W
SN54AHCT574, SN74AHCT574
OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS
WITH 3-STATE OUTPUTS
SCLS245L – OCTOBER 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)
SN54AHCT574 ...J OR W PACKAGE
SN74AHCT574 . . . DB, DGV, DW, N, NS, OR PW PACKAGE
(TOP VIEW)
SN54AHCT574 . . . FK PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
OE
1D
2D
3D
4D
5D
6D
7D
8D
GND
VCC
1Q
2Q
3Q
4Q
5Q
6Q
7Q
8Q
CLK
32 1 20 19
910 11 12 13
4
5
6
7
8
18
17
16
15
14
2Q
3Q
4Q
5Q
6Q
3D
4D
5D
6D
7D
2D
1D
OE
8Q
7Q
1Q
8D
GND
CLK
V
CC
description/ordering information
The ’AHCT574 devices are octal edge-triggered D-type flip-flops that feature 3-state outputs designed
specifically for driving highly capacitive or relatively low-impedance loads. These devices are particularly
suitable for implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers.
On the positive transition of the clock (CLK) input, the Q outputs are set to the logic levels of the data (D) inputs.
A buffered output-enable (OE) input places the eight outputs in either a normal logic state (high or low) or the
high-impedance state. In the high-impedance state, the outputs neither load nor drive the bus lines significantly.
The high-impedance state and the increased drive provide the capability to drive bus lines without interface or
pullup components.
ORDERING INFORMATION
TA
PACKAGE
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
PDIP – N
Tube
SN74AHCT574N
SOIC
DW
Tube
SN74AHCT574DW
AHCT574
SOIC – DW
Tape and reel
SN74AHCT574DWR
AHCT574
40
°Cto85°C
SOP – NS
Tape and reel
SN74AHCT574NSR
AHCT574
–40
°C to 85°C
SSOP – DB
Tape and reel
SN74AHCT574DBR
HB574
TSSOP
PW
Tube
SN74AHCT574PW
HB574
TSSOP – PW
Tape and reel
SN74AHCT574PWR
HB574
TVSOP – DGV
Tape and reel
SN74AHCT574DGVR
HB574
CDIP – J
Tube
SNJ54AHCT574J
–55
°C to 125°C
CFP – W
Tube
SNJ54AHCT574W
LCCC – FK
Tube
SNJ54AHCT574FK
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
SNJ54AHCT574J AHCT/VHCT/VT SERIES, 8-BIT DRIVER, TRUE OUTPUT, CDIP20
SN74AHCT595DRG4 AHCT/VHCT/VT SERIES, 8-BIT RIGHT SERIAL IN PARALLEL OUT SHIFT REGISTER, TRUE OUTPUT, PDSO16
SN74AHCT595PWRE4 AHCT/VHCT/VT SERIES, 8-BIT RIGHT SERIAL IN PARALLEL OUT SHIFT REGISTER, TRUE OUTPUT, PDSO16
SN74AHCT74DE4 AHCT/VHCT/VT SERIES, DUAL POSITIVE EDGE TRIGGERED D FLIP-FLOP, COMPLEMENTARY OUTPUT, PDSO14
SN74AHCT74DBR AHCT/VHCT/VT SERIES, DUAL POSITIVE EDGE TRIGGERED D FLIP-FLOP, COMPLEMENTARY OUTPUT, PDSO14
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