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SN74HC373DWR 参数 Datasheet PDF下载

SN74HC373DWR图片预览
型号: SN74HC373DWR
PDF下载: 下载PDF文件 查看货源
内容描述: 八路透明D类锁存器具有三态输出 [OCTAL TRANSPARENT D-TYPE LATCHES WITH 3-STATE OUTPUTS]
分类和应用: 总线驱动器总线收发器锁存器逻辑集成电路光电二极管输出元件
文件页数/大小: 17 页 / 524 K
品牌: TI [ TEXAS INSTRUMENTS ]
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SN54HC373, SN74HC373
OCTAL TRANSPARENT D TYPE LATCHES
WITH 3 STATE OUTPUTS
SCLS140D − DECEMBER 1982 − REVISED AUGUST 2003
D
Wide Operating Voltage Range of 2 V to 6 V
D
High-Current 3-State True Outputs Can
D
D
Drive Up To 15 LSTTL Loads
Low Power Consumption, 80-µA Max I
CC
Typical t
pd
= 13 ns
SN54HC373 . . . J OR W PACKAGE
SN74HC373 . . . DB, DW, N, NS, OR PW PACKAGE
(TOP VIEW)
D
±6-mA
Output Drive at 5 V
D
Low Input Current of 1
µA
Max
D
Eight High-Current Latches in a Single
D
Package
Full Parallel Access for Loading
SN54HC373 . . . FK PACKAGE
(TOP VIEW)
OE
1Q
1D
2D
2Q
3Q
3D
4D
4Q
GND
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
V
CC
8Q
8D
7D
7Q
6Q
6D
5D
5Q
LE
1D
1Q
OE
V
CC
8Q
2D
2Q
3Q
3D
4D
4
5
6
7
8
3 2 1 20 19
18
17
16
15
14
9 10 11 12 13
8D
7D
7Q
6Q
6D
description/ordering information
These 8-bit latches feature 3-state outputs designed specifically for driving highly capacitive or relatively
low-impedance loads. They are particularly suitable for implementing buffer registers, I/O ports, bidirectional
bus drivers, and working registers.
The eight latches of the ’HC373 devices are transparent D-type latches. While the latch-enable (LE) input is
high, the Q outputs follow the data (D) inputs. When LE is taken low, the Q outputs are latched at the levels that
were set up at the D inputs.
ORDERING INFORMATION
TA
PDIP − N
SOIC − DW
SOP − NS
−40°C to 85°C
SSOP − DB
PACKAGE†
Tube of 20
Tube of 25
Reel of 2000
Reel of 2000
Reel of 2000
Tube of 70
TSSOP − PW
CDIP − J
−55 C 125°C
−55°C to 125 C
CFP − W
LCCC − FK
Reel of 2000
Reel of 250
Tube of 20
Tube of 85
Tube of 55
ORDERABLE
PART NUMBER
SN74HC373N
SN74HC373DW
SN74HC373DWR
SN74HC373NSR
SN74HC373DBR
SN74HC373PW
SN74HC373PWR
SN74HC373PWT
SNJ54HC373J
SNJ54HC373W
SNJ54HC373FK
SNJ54HC373J
SNJ54HC373W
SNJ54HC373FK
HC373
HC373
HC373
HC373
TOP-SIDE
MARKING
SN74HC373N
† Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are
available at www.ti.com/sc/package.
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.
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.
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.
Copyright
2003, Texas Instruments Incorporated
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
4Q
GND
LE
5Q
5D
1