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參數資料
| 型號： | DM74LS298N |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | Quad 2-Input AND Gate; Package: TSSOP; No of Pins: 14; Container: Rail |
| 中文描述： | LS SERIES, NEGATIVE EDGE TRIGGERED D FLIP-FLOP, TRUE OUTPUT, PDIP16 |
| 封裝： | 0.300 INCH, PLASTIC, MS-001, DIP-16 |
| 文件頁數： | 1/4頁 |
| 文件大小： | 43K |
| 代理商： | DM74LS298N |
2000 Fairchild Semiconductor Corporation
DS009826
www.fairchildsemi.com
October 1988
Revised March 2000
D
DM74LS298
Quad 2-Port Register Multiplexer with Storage
General Description
The DM74LS298 is a quad 2-port register. It is the logical
equivalent of a quad 2-input multiplexer followed by a quad
4-bit edge-triggered register. A Common Select input
selects between two 4-bit input ports (data sources). The
selected data is transferred to the output register synchro-
nous with the HIGH-to-LOW transition of the Clock input.
Features
I
Select from two data sources
I
Fully edge-triggered operation
I
Typical power dissipation of 65 mW
Ordering Code:
Logic Symbol
V
CC
=
Pin 16
GND
=
Pin 8
Pin Descriptions
Connection Diagram
Truth Table
l
=
LOW Voltage Level one setup time prior to the HIGH-to-LOW clock
transition.
h
=
HIGH Voltage Level one setup time prior to the HIGH-to-LOW clock
transition.
H
=
HIGH Voltage Level
L
=
LOW Voltage Level
X
=
Immaterial
Order Number
DM74LS298N
Package Number
N16E
Package Description
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Pin Names
S
CP
I0
a
, I0
d
I1
a
, I1
d
Q
a
, Q
d
Description
Common Select Inputs
Clock Pulse Input (Active Falling Edge)
Source 0 Data Inputs
Source 1 Data Inputs
Flip-Flip Outputs
Inputs
I0
x
l
h
X
X
Output
Q
x
L
H
L
H
S
I1
x
X
X
l
h
l
l
h
h
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| DM74LS299 | Quad 2-Input AND Gate |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| DM74LS299N | 功能描述:計數器移位寄存器 8-Input Sft/Stor Reg 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 |
| DM74LS299WM | 功能描述:計數器移位寄存器 8-Input Sft/Stor Reg 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 |
| DM74LS299WMX | 功能描述:計數器移位寄存器 8-Input Sft/Stor Reg 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 |
| DM74LS30 WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| DM74LS30M | 功能描述:邏輯門 8-Input NAND Gate RoHS:否 制造商:Texas Instruments 產品:OR 邏輯系列:LVC 柵極數量:2 線路數量（輸入/輸出）:2 / 1 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 傳播延遲時間:3.8 ns 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:DCU-8 封裝:Reel |
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