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參數(shù)資料
| 型號(hào)： | SN54HC573AW |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 1.5A Step-Up/Step-Down/Inv Regulator with 40V / 1.5A Switch; Package: SOIC-8 Narrow Body; No of Pins: 8; Container: Tape and Reel; Qty per Container: 2500 |
| 中文描述： | 八路透明D類鎖存器具有三態(tài)輸出 |
| 文件頁(yè)數(shù)： | 1/16頁(yè) |
| 文件大?。?/td> | 488K |
| 代理商： | SN54HC573AW |
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SCLS147E DECEMBER 1982 REVISED SEPTEMBER 2003
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Wide Operating Voltage Range of 2 V to 6 V
High-Current 3-State Outputs Drive Bus
Lines Directly or Up To 15 LSTTL Loads
Low Power Consumption, 80-
μ
A Max I
CC
Typical t
pd
= 21 ns
±
6-mA Output Drive at 5 V
Low Input Current of 1
μ
A Max
Bus-Structured Pinout
3
2 1 20 19
9 10 11 12 13
4
5
6
7
8
18
17
16
15
14
2Q
3Q
4Q
5Q
6Q
3D
4D
5D
6D
7D
2
1
O
8
7
V
1
8
G
L
SN54HC573A . . . FK PACKAGE
(TOP VIEW)
SN54HC573A . . . J OR W PACKAGE
SN74HC573A . . . DB, DW, N, OR PW 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
V
CC
1Q
2Q
3Q
4Q
5Q
6Q
7Q
8Q
LE
description/ordering information
These octal transparent D-type 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.
While the latch-enable (LE) input is high, the Q outputs respond to the data (D) inputs. When LE is low, the
outputs are latched to retain the data that was set up.
A buffered output-enable (OE) input can be used to place the eight outputs in either a normal logic state (high
or low logic levels) 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 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 of 25
SN74HC573AN
SN74HC573AN
SOIC DW
Tube of 40
SN74HC573ADW
HC573A
40
°
C to 85
°
C
Reel of 2500
SN74HC573ADWR
SSOP DB
Reel of 2000
SN74HC573ADBR
HC573A
TSSOP PW
Reel of 2000
SN74HC573APWR
HC573A
Reel of 250
SN74HC573APWT
CDIP J
Tube of 25
SNJ54HC573AJ
SNJ54HC573AJ
55 C to 125 C
CFP W
LCCC FK
Tube of 150
Tube of 55
SNJ54HC573AW
SNJ54HC573AFK
SNJ54HC573AW
SNJ54HC573AFK
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.
Copyright
2003, Texas Instruments Incorporated
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