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參數(shù)資料
| 型號(hào)： | 74F676PC |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | 16-Bit Serial/Parallel-In, Serial-Out Shift Register |
| 中文描述： | F/FAST SERIES, 16-BIT RIGHT PARALLEL IN SERIAL OUT SHIFT REGISTER, TRUE OUTPUT, PDIP24 |
| 封裝： | 0.600 INCH, PLASTIC, DIP-24 |
| 文件頁(yè)數(shù)： | 2/10頁(yè) |
| 文件大?。?/td> | 181K |
| 代理商： | 74F676PC |
Logic Symbols
TL/F/9588–1
IEEE/IEC
TL/F/9588–4
Unit Loading/Fan Out
54F/74F
Pin Names
Description
U.L.
Input I
IH
/I
IL
Output I
OH
/I
OL
20
m
A/
b
0.6 mA
20
m
A/
b
0.6 mA
20
m
A/
b
0.6 mA
20
m
A/
b
0.6 mA
20
m
A/
b
0.6 mA
b
1 mA/20 mA
HIGH/LOW
P
0
–P
15
CS
CP
M
SI
SO
Parallel Data Inputs
Chip Select Input (Active LOW)
Clock Pulse Input (Active LOW)
Mode Select Input
Serial Data Input
Serial Output
1.0/1.0
1.0/1.0
1.0/1.0
1.0/1.0
1.0/1.0
50/33.3
Functional Description
The 16-bit shift register operates in one of three modes, as
indicated in the Shift Register Operations Table.
HOLDD
a HIGH signal on the Chip Select (CS) input pre-
vents clocking, and data is stored in the sixteen registers.
Shift/Serial LoadD
data present on the SI pin shifts into
the register on the falling edge of CP. Data enters the Q
0
position and shifts toward Q
15
on successive clocks, finally
appearing on the SO pin.
Parallel LoadD
data present on P
0
–P
15
are entered into
the register on the falling edge of CP. The SO output repre-
sents the Q
15
register output.
To prevent false clocking, CP must be LOW during a LOW-
to-HIGH transition of CS.
Shift Register Operations Table
Control Input
Operating Mode
CS
M
CP
H
L
L
X
L
H
X
Hold
Shift/Serial Load
Parallel Load
K
K
H
e
HIGH Voltage Level
L
e
LOW Voltage Level
X
e
Immaterial
K
e
HIGH-to-LOW Transition
Block Diagram
TL/F/9588–5
2
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74F676PC_Q | 功能描述:計(jì)數(shù)器移位寄存器 16-Bit Shft Register RoHS:否 制造商:Texas Instruments 計(jì)數(shù)器類型: 計(jì)數(shù)順序:Serial to Serial/Parallel 電路數(shù)量:1 封裝 / 箱體:SOIC-20 Wide 邏輯系列: 邏輯類型: 輸入線路數(shù)量:1 輸出類型:Open Drain 傳播延遲時(shí)間:650 ns 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝:Reel |
| 74F676SC | 功能描述:計(jì)數(shù)器移位寄存器 16-Bit Shft Register RoHS:否 制造商:Texas Instruments 計(jì)數(shù)器類型: 計(jì)數(shù)順序:Serial to Serial/Parallel 電路數(shù)量:1 封裝 / 箱體:SOIC-20 Wide 邏輯系列: 邏輯類型: 輸入線路數(shù)量:1 輸出類型:Open Drain 傳播延遲時(shí)間:650 ns 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝:Reel |
| 74F676SCX | 功能描述:計(jì)數(shù)器移位寄存器 16-Bit Shft Register RoHS:否 制造商:Texas Instruments 計(jì)數(shù)器類型: 計(jì)數(shù)順序:Serial to Serial/Parallel 電路數(shù)量:1 封裝 / 箱體:SOIC-20 Wide 邏輯系列: 邏輯類型: 輸入線路數(shù)量:1 輸出類型:Open Drain 傳播延遲時(shí)間:650 ns 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝:Reel |
| 74F676SPC | 功能描述:計(jì)數(shù)器移位寄存器 16-Bit Shft Register RoHS:否 制造商:Texas Instruments 計(jì)數(shù)器類型: 計(jì)數(shù)順序:Serial to Serial/Parallel 電路數(shù)量:1 封裝 / 箱體:SOIC-20 Wide 邏輯系列: 邏輯類型: 輸入線路數(shù)量:1 輸出類型:Open Drain 傳播延遲時(shí)間:650 ns 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝:Reel |
| 74F676SPC_Q | 功能描述:計(jì)數(shù)器移位寄存器 16-Bit Shft Register RoHS:否 制造商:Texas Instruments 計(jì)數(shù)器類型: 計(jì)數(shù)順序:Serial to Serial/Parallel 電路數(shù)量:1 封裝 / 箱體:SOIC-20 Wide 邏輯系列: 邏輯類型: 輸入線路數(shù)量:1 輸出類型:Open Drain 傳播延遲時(shí)間:650 ns 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝:Reel |
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