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參數資料
| 型號： | CD74ACT251M |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 8-Input Multiplexer, Three-State |
| 中文描述： | 8輸入多路復用器，三態(tài) |
| 文件頁數： | 1/8頁 |
| 文件大小： | 38K |
| 代理商： | CD74ACT251M |
1
Data sheet acquired from Harris Semiconductor
SCHS246
Features
Buffered Inputs
Typical Propagation Delay
- 6ns at V
CC
= 5V, T
A
= 25
o
C, C
L
= 50pF
Exceeds 2kV ESD Protection MIL-STD-883, Method
3015
SCR-Latchup-Resistant CMOS Process and Circuit
Design
Speed of Bipolar FAST/AS/S with Significantly
Reduced Power Consumption
Balanced Propagation Delays
AC Types Feature 1.5V to 5.5V Operation and
Balanced Noise Immunity at 30% of the Supply
±
24mA Output Drive Current
- Fanout to 15 FAST ICs
- Drives 50
Transmission Lines
Pinout
CD74AC251, CD74ACT251
(PDIP, SOIC)
TOP VIEW
Description
The CD74AC251 and CD74ACT251 8-input multiplexers that
utilize the Harris Advanced CMOS Logic technology. This
multiplexer features both true (Y) and complement (Y) outputs
as well as an Output Enable (OE) input. The OE must be at a
LOW logic level to enable this device. When the OE input is
HIGH, both outputs are in the high-impedance state. When
enabled, address information on the data select inputs deter-
mines which data input is routed to the Y and Y outputs.
14
15
16
9
13
12
11
10
1
2
3
4
5
7
6
8
I
3
I
2
I
1
I
0
Y
Y
GND
OE
V
CC
I
5
I
6
I
7
S0
S1
S2
I
4
Ordering Information
PART
NUMBER
TEMP.
RANGE (
o
C)
0 to 70
o
C, -40 to 85,
-55 to 125
0 to 70
o
C, -40 to 85,
-55 to 125
0 to 70
o
C, -40 to 85,
-55 to 125
0 to 70
o
C, -40 to 85,
-55 to 125
PACKAGE
PKG.
NO.
CD74AC251E
16 Ld PDIP
E16.3
CD74ACT251E
16 Ld PDIP
E16.3
CD74AC251M
16 Ld SOIC
M16.15
CD74ACT251M
16 Ld SOIC
M16.15
NOTES:
1. When ordering, use the entire part number. Add the suffix 96 to
obtain the variant in the tape and reel.
2. Wafer and die for this part number is available which meets all elec-
trical specifications. Please contact your local sales office or Harris
customer service for ordering information.
August 1998
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.
FAST is a Trademark of Fairchild Semiconductor.
Copyright
Harris Corporation 1998
CD74AC251,
CD74ACT251
8-Input Multiplexer, Three-State
File Number
1981.1
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相關代理商/技術參數 |
參數描述 |
|---|---|
| CD74ACT253 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Dual 4-Input Multiplexer, Three-State |
| CD74ACT253E | 功能描述:編碼器、解碼器、復用器和解復用器 Dual 4-Input Mltplxr With 3-State Outputs RoHS:否 制造商:Micrel 產品:Multiplexers 邏輯系列:CMOS 位數: 線路數量（輸入/輸出）:2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| CD74ACT253E WAF | 制造商:Harris Corporation 功能描述: 制造商:Texas Instruments 功能描述: |
| CD74ACT253EE4 | 功能描述:編碼器、解碼器、復用器和解復用器 Dual 4-Input Mltplxr With 3-State Outputs RoHS:否 制造商:Micrel 產品:Multiplexers 邏輯系列:CMOS 位數: 線路數量（輸入/輸出）:2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| CD74ACT253EG4 | 功能描述:IC DUAL 4INPUT MUX 3ST 16-DIP 制造商:texas instruments 系列:74ACT 包裝:管件 零件狀態(tài):在售 類型:多路復用器 電路:2 x 4：1 獨立電路:1 電流 - 輸出高，低:75mA，75mA 電壓源:單電源 電壓 - 電源:4.5 V ~ 5.5 V 工作溫度:-55°C ~ 125°C 安裝類型:通孔 封裝/外殼:16-DIP（0.300"，7.62mm） 供應商器件封裝:16-PDIP 基本零件編號:74ACT253 標準包裝:25 |
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