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參數(shù)資料
| 型號： | SN74AC574DB |
| 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(fā)器與觸發(fā)器3態(tài)輸出 |
| 文件頁數(shù)： | 1/6頁 |
| 文件大小： | 99K |
| 代理商： | SN74AC574DB |
1
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5
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20
19
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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
CLK
SN54AC574 . . . J OR W PACKAGE
SN74AC574 . . . DB, DW, N, OR PW PACKAGE
(TOP VIEW)
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
1
8
G
C
V
C
SN54AC574 . . . FK PACKAGE
(TOP VIEW)
SN54AC574, SN74AC574
OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS
WITH 3-STATE OUTPUTS
SCAS541B – OCTOBER 1995 – REVISED JUNE 1996
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
3-State Outputs Drive Bus Lines Directly
EPIC (Enhanced-Performance Implanted
CMOS) 1-
μ
m Process
Package Options Include Plastic
Small-Outline (DW) Shrink Small-Outline
(DB), and Thin Shrink Small-Outline (PW)
Packages, Ceramic Chip Carriers (FK) and
Flatpacks (W), and Standard Plastic (N) and
Ceramic (J) DIP Packages
description
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 are D-type
edge-triggered flip-flops. On the positive transi-
tion 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.
The SN54AC574 is characterized for operation over the full military temperature range of –55
°
C to 125
°
C. The
SN74AC574 is characterized for operation from –40
°
C to 85
°
C.
FUNCTION TABLE
(each flip-flop)
INPUTS
OUTPUT
Q
OE
CLK
↑
↑
H or L
D
H
H
L
L
L
L
X
Q0
Z
H
X
X
Copyright
1996, 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.
EPIC is a trademark of Texas Instruments Incorporated.
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.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SN54AC574FK | OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS WITH 3-STATE OUTPUTS |
| SN54AC574J | OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS WITH 3-STATE OUTPUTS |
| SN54AC574W | OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS WITH 3-STATE OUTPUTS |
| SN74AC74DB | Dual Low-Voltage CMOS 2-of-4 Decoder/Demultiplexer; Package: TSSOP-16; No of Pins: 16; Container: Tape and Reel; Qty per Container: 2500 |
| SN54AC74FK | DUAL POSITIVE-EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH CLEAR AND PRESET |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SN74AC574DBR | 功能描述:觸發(fā)器 Tri-State Octal 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(fēng)格:SMD/SMT 封裝 / 箱體:X2SON-8 封裝:Reel |
| SN74AC574DBRE4 | 功能描述:觸發(fā)器 Octal D-Ty Edge-Trig F-F W/3-State Otpt 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(fēng)格:SMD/SMT 封裝 / 箱體:X2SON-8 封裝:Reel |
| SN74AC574DBRG4 | 功能描述:觸發(fā)器 Octal D-Type Edge- Trggrd 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(fēng)格:SMD/SMT 封裝 / 箱體:X2SON-8 封裝:Reel |
| SN74AC574DW | 功能描述:觸發(fā)器 Tri-State Octal 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(fēng)格:SMD/SMT 封裝 / 箱體:X2SON-8 封裝:Reel |
| SN74AC574DW | 制造商:Texas Instruments 功能描述:Flip Flop Logic IC |
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