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參數資料
| 型號： | MM74C165 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Parallel-Load 8-Bit Shift Register(并行載入8位移位寄存器) |
| 中文描述： | 并聯負載8位移位寄存器（并行載入8位移位寄存器） |
| 文件頁數： | 1/6頁 |
| 文件大小： | 135K |
| 代理商： | MM74C165 |
TL/F/5897
M
December 1992
MM54C165/MM74C165
Parallel-Load 8-Bit Shift Register
General Description
The MM54C165/MM74C165 functions as an 8-bit parallel-
load, serial shift register. Data is loaded into the register
independent of the state of the clock(s) when PARALLEL
LOAD (PL) is low. Shifting is inhibited as long as PL is low.
Data is sequentially shifted from complementary outputs, Q
7
and Q
7
, highest-order bit (P7) first. New serial data may be
entered via the SERIAL DATA (Ds) input. Serial shifting oc-
curs on the rising edge of CLOCK1 or CLOCK2. Clock in-
puts may be used separately or together for combined
clocking from independent sources. Either clock input may
be used also as an active-low clock enable. To prevent dou-
ble-clocking when a clock input is used as an enable, the
enable must be changed to a high level (disabled) only while
the clock is high.
Features
Y
Wide supply voltage range
3V to 15V
Y
Guaranteed noise margin
1V
Y
High noise immunity
0.45 V
CC
(typ.)
fan out of 2
driving 74L
Y
Low power TTL compatibility
Y
Parallel loading independent of clock
Y
Dual clock inputs
Y
Fully static operation
Connection and Block Diagrams
Dual-In-Line Package
TL/F/5897–1
Top View
TL/F/5897–2
Order Number MM54C165
*
or MM74C165
*
*
Please look into Section 8, Appendix D
for availability of various package types.
TL/F/5897–3
C
1995 National Semiconductor Corporation
RRD-B30M105/Printed in U. S. A.
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| MM54C165 | Parallel-Load 8-Bit Shift Register |
| MM74C195 | 4-Bit Registers |
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相關代理商/技術參數 |
參數描述 |
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| MM74C165N | 功能描述:計數器移位寄存器 8-Bit Shift Register RoHS:否 制造商:Texas Instruments 計數器類型: 計數順序:Serial to Serial/Parallel 電路數量:1 封裝 / 箱體:SOIC-20 Wide 邏輯系列: 邏輯類型: 輸入線路數量:1 輸出類型:Open Drain 傳播延遲時間:650 ns 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝:Reel |
| MM74C173 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:TRI-STATE Quad D Flip-Flop |
| MM74C173J | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:TRI-STATE Quad D Flip-Flop |
| MM74C173N | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:TRI-STATE Quad D Flip-Flop |
| MM74C174 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Hex D Flip-Flop |
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