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參數(shù)資料
| 型號(hào)： | SN54LS398 |
| 廠商： | Motorola, Inc. |
| 英文描述： | Dual 1-of-4 Decoder/Demultiplexer; Package: SOIC 16 LEAD; No of Pins: 16; Container: Tape and Reel; Qty per Container: 2500 |
| 中文描述： | 四2端口寄存器 |
| 文件頁數(shù)： | 2/6頁 |
| 文件大?。?/td> | 209K |
| 代理商： | SN54LS398 |
5-558
FAST AND LS TTL DATA
SN54/74LS398
SN54/74LS399
FUNCTIONAL BLOCK DIAGRAM
* SN54/74LS398 only
FUNCTIONAL DESCRIPTION
The SN54/74LS398 and SN54/74LS399 are high-speed
Quad 2-Port Registers. They select four bits of data from two
sources (Ports) under the control of a common Select Input
(S). The selected data is transferred to a 4-Bit Output Register
synchronous with the LOW-to-HIGH transition of the Clock in-
put (CP). The 4-Bit RS type output register is fully edge-trig-
gered. The Data inputs (I) and Select inputs (S) must be stable
only a setup time prior to and hold time after the LOW-to-HIGH
transition of the Clock input for predictable operation. The
SN54/74LS398 has both Q and Q Outputs available.
FUNCTION TABLE
INPUTS
OUTPUTS
S
I0
I
I1
X
Q
Q*
I
L
H
I
h
X
H
L
h
X
I
L
H
h
X
h
H
L
*SN54/74LS398 only
I = LOW Voltage Level one setup time pior to the LOW-to-HIGH clock transition
h = HIGH Voltage Level one setup time prior to the LOW-to-HIGH clock transition
L = LOW Voltage Level
H = HIGH Voltage Level
X = Immaterial
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SN54LS398J | Dual 1-of-4 Decoder/Demultiplexer; Package: SOIC 16 LEAD; No of Pins: 16; Container: Tape and Reel; Qty per Container: 2500 |
| SN54LS399J | QUAD 2-PORT REGISTER |
| SN74LS398D | QUAD 2-PORT REGISTER |
| SN74LS398N | QUAD 2-PORT REGISTER |
| SN74LS399D | QUAD 2-PORT REGISTER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SN54LS399J | 制造商:Texas Instruments 功能描述:Multiplexer/Register 1-Element Bipolar 8-IN 16-Pin CDIP Tube 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SN54LS40J | 制造商:MAJOR 功能描述: |
| SN54LS42J | 制造商:Texas Instruments 功能描述: |
| SN54LS461AJS883B | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:MMI 功能描述:* 制造商:Advanced Micro Devices 功能描述: |
| SN54LS469AL/883B | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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