參數(shù)資料
型號(hào)： SN74AS4374B
廠商： Texas Instruments, Inc.
英文描述： Octal Edge-Triggered D-Type Dual-Rank Flip-Flops With 3-State Outputs
中文描述： 具有三態(tài)輸出的八路邊沿 D 類雙組觸發(fā)器
文件頁數(shù)： 1/5頁
文件大?。?/td> 77K
代理商： SN74AS4374B
SN74AS4374B
OCTAL EDGE-TRIGGERED D-TYPE DUAL-RANK FLIP-FLOP
WITH 3-STATE OUTPUTS
SDAS109D – APRIL 1989 – REVISED JANUARY 1995
Copyright
1995, Texas Instruments Incorporated
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
3-State Outputs Drive Bus Lines Directly
Package Options Include Plastic
Small-Outline (DW) Packages and Standard
Plastic (N) 300-mil DIPs
description
This 8-bit flip-flop features 3-state outputs
designed specifically for driving highly capacitive
or relatively low-impedance loads. It is particularly
suitable for implementing buffer registers, I/O
ports, bidirectional bus drivers, and working
registers.
The eight flip-flops of the SN74AS4374B are
edge-triggered D-type flip-flops. On the second
positive transition of the clock (CLK) input, the Q
outputs are set to the logic levels set up at the data
(D) inputs.
The output-enable (OE) input does not affect internal operations of the flip-flops. Previously stored data can be
retained or new data can be entered while the outputs are in the high-impedance state.
The SN74AS4374B is characterized for operation from 0
°
C to 70
°
C.
FUNCTION TABLE
(each flip-flop)
INPUTS
OUTPUT
Q
OE
H
CLK
X
↑
↑
L
D
X
Z
L
L
L
L
H
H
L
X
Q0
Data presented at the D inputs require
two clock cycles to appear at the Q
outputs.
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
1Q
2Q
3Q
4Q
GND
5Q
6Q
7Q
8Q
OE
1D
2D
3D
4D
V
CC
5D
6D
7D
8D
CLK
DW OR N PACKAGE
(TOP VIEW)
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.
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參數(shù)描述
SN74AS4374BDW 功能描述:觸發(fā)器 Octal Edge-Trig D-Ty Dual-Rank F-F 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(shí)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
SN74AS4374BDWE4 功能描述:觸發(fā)器 Octal Edge-Trig D-Ty Dual-Rank F-F 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(shí)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
SN74AS4374BDWG4 功能描述:觸發(fā)器 Octal Edg Trgrd Dtyp Dual Rank FlipFlops 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(shí)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
SN74AS4374BDWR 功能描述:觸發(fā)器 Octal Edge-Trig D-Ty Dual-Rank F-F 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(shí)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
SN74AS4374BDWRE4 功能描述:觸發(fā)器 Octal Edge-Trig D-Ty Dual-Rank F-F 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(shí)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
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