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參數(shù)資料
| 型號(hào)： | SN74F374DWE4 |
| 廠(chǎng)商： | TEXAS INSTRUMENTS INC |
| 元件分類(lèi)： | 總線(xiàn)收發(fā)器 |
| 英文描述： | F/FAST SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20 |
| 封裝： | PLASTIC, SOIC-20 |
| 文件頁(yè)數(shù)： | 1/18頁(yè) |
| 文件大小： | 694K |
| 代理商： | SN74F374DWE4 |
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SN54F374, SN74F374
OCTAL EDGETRIGGERED DTYPE FLIPFLOPS
WITH 3STATE OUTPUTS
SDFS077A D2932, MARCH 1987 REVISED OCTOBER 1993
Copyright
1993, Texas Instruments Incorporated
21
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Eight D-Type Flip-Flops in a Single Package
3-State Bus-Driving True Outputs
Full Parallel Access for Loading
Buffered Control Inputs
Package Options Include Plastic
Small-Outline (SOIC) and Shrink
Small-Outline (SSOP) Packages, Ceramic
Chip Carriers, and Plastic and Ceramic
DIPs
description
These 8-bit flip-flops 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 flip-flops of the
′F374 are edge-triggered
D-type flip-flops. On the positive transition of the
clock (CLK) input, the Q outputs are set to the logic
levels that were 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) or a 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 without
need for interface or pullup components.
The output enable (OE) input 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 SN74F374 is available in TI’s shrink small-outline package (DB), which provides the same I/O pin count
and functionality of standard small-outline packages in less than half the printed-circuit-board area.
The SN54F374 is characterized for operation over the full military temperature range of 55
°C to 125°C. The
SN74F374 is characterized for operation from 0
°C to 70°C.
FUNCTION TABLE
(each flip-flop)
INPUTS
OUTPUT
OE
CLK
D
OUTPUT
Q
L
↑
H
L
↑
LL
L
H or L
X
Q0
H
X
Z
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
OE
1Q
1D
2D
2Q
3Q
3D
4D
4Q
GND
VCC
8Q
8D
7D
7Q
6Q
6D
5D
5Q
CLK
SN54F374 ...J PACKAGE
SN74F374 ... DB, DW, OR N PACKAGE
(TOP VIEW)
3
2
1 20 19
9 10 11 12 13
4
5
6
7
8
18
17
16
15
14
2D
2Q
3Q
3D
4D
SN54F374 . . . FK PACKAGE
(TOP VIEW)
1D
1Q
OE
5Q
5D
8Q
4Q
G
ND
CLK
V
CC
8D
7D
7Q
6Q
6D
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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PDF描述 |
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| SN74F541DBRE4 | F/FAST SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20 |
| SN74F543NSRG4 | F/FAST SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24 |
| SN74F621DW | F/FAST SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20 |
| SNJ54F621FKR | F/FAST SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, CQCC20 |
| SN74F623DWR | F/FAST SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SN74F374DWG4 | 功能描述:觸發(fā)器 Octal DTYPE Edge Triggered Flip Flop RoHS:否 制造商:Texas Instruments 電路數(shù)量:2 邏輯系列:SN74 邏輯類(lèi)型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類(lèi)型:CMOS 輸出類(lèi)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 |
| SN74F374DWR | 功能描述:觸發(fā)器 Octal w/Tri-St Out RoHS:否 制造商:Texas Instruments 電路數(shù)量:2 邏輯系列:SN74 邏輯類(lèi)型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類(lèi)型:CMOS 輸出類(lèi)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 |
| SN74F374DWRE4 | 功能描述:觸發(fā)器 Octal Edge-Trig D-Type F-F RoHS:否 制造商:Texas Instruments 電路數(shù)量:2 邏輯系列:SN74 邏輯類(lèi)型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類(lèi)型:CMOS 輸出類(lèi)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 |
| SN74F374DWRG4 | 功能描述:觸發(fā)器 Octal DTYPE Edge Triggered Flip Flop RoHS:否 制造商:Texas Instruments 電路數(shù)量:2 邏輯系列:SN74 邏輯類(lèi)型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類(lèi)型:CMOS 輸出類(lèi)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 |
| SN74F374N | 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(lèi)型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類(lèi)型:CMOS 輸出類(lèi)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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