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參數資料
| 型號： | AC574 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS WITH 3-STATE OUTPUTS |
| 中文描述： | 八路D型沿觸發器與觸發器3態輸出 |
| 文件頁數： | 1/16頁 |
| 文件大小： | 516K |
| 代理商： | AC574 |
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11
OE
1D
2D
3D
4D
5D
6D
7D
8D
GND
V
CC
1Q
2Q
3Q
4Q
5Q
6Q
7Q
8Q
CLK
SN54AC574 . . . J OR W PACKAGE
SN74AC574 . . . DB, DW, N, NS, OR PW PACKAGE
(TOP VIEW)
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2
1 20 19
9 10 11 12 13
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5
6
7
8
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2Q
3Q
4Q
5Q
6Q
3D
4D
5D
6D
7D
2
1
O
8
7
1
8
G
C
V
C
SN54AC574 . . . FK PACKAGE
(TOP VIEW)
SCAS541E OCTOBER 1995 REVISED OCTOBER 2003
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
2-V to 6-V V
CC
Operation
Inputs Accept Voltages to 6 V
Max t
pd
of 8.5 ns at 5 V
3-State Outputs Drive Bus Lines Directly
description/ordering information
These 8-bit flip-flops feature 3-state outputs
designed specifically for driving highly capacitive
or relatively low-impedance loads. The devices
are particularly suitable for implementing buffer
registers, I/O ports, bidirectional bus drivers, and
working registers.
The eight flip-flops of the
′
AC574 devices are
D-type edge-triggered flip-flops. On the positive
transition of the clock (CLK) input, the Q outputs
are set to the logic levels set up at the data (D)
inputs.
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
the increased drive provide the capability to drive
bus lines in a bus-organized system without need
for interface or pullup components.
OE does not affect internal operations of the
flip-flop. Old data can be retained or new data can
be entered while the outputs are in the
high-impedance state.
ORDERING INFORMATION
TA
PACKAGE
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
PDIP N
Tube
SN74AC574N
SN74AC574N
SOIC DW
Tube
SN74AC574DW
AC574
Tape and reel
SN74AC574DWR
40 C to 85 C
SOP NS
Tape and reel
SN74AC574NSR
AC574
SSOP DB
Tape and reel
SN74AC574DBR
AC574
TSSOP PW
Tube
SN74AC574PW
AC574
Tape and reel
SN74AC574PWR
CDIP J
Tube
SNJ54AC574J
SNJ54AC574J
55 C to 125 C
CFP W
Tube
SNJ54AC574W
SNJ54AC574W
LCCC FK
Tube
SNJ54AC574FK
SNJ54AC574FK
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
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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.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| AC574/D XEF3024C WAF | 制造商:Texas Instruments 功能描述: |
| AC575 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| AC576 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| AC577 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| AC580 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
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