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CD40257BMS Datasheet(PDF) 1 Page - Intersil Corporation

Part No. CD40257BMS
Description  CMOS Quad 2 Line to 1 Line Data Selector/Multiplexer
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Maker  INTERSIL [Intersil Corporation]
Homepage  http://www.intersil.com/cda/home
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CD40257BMS Datasheet(HTML) 1 Page - Intersil Corporation

   
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7-1442
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143 | Copyright © Intersil Corporation 1999
CD40257BMS
CMOS Quad 2 Line to 1 Line
Data Selector/Multiplexer
Features
• High Voltage Type (20V Rating)
• 3-State Outputs
• 100% Tested for Quiescent Current at 20V
• 5V, 10V and 15V Parametric Ratings
• Maximum Input Current of 1
µA at 18V Over Full Pack-
age Temperature Range; 100nA at 18V and +25oC
• Noise Margin (Over Full Package/Temperature Range)
- 1V at VDD = 5V
- 2V at VDD = 10V
- 2.5V at VDD = 15V
• Standardized Symmetrical Output Characteristics
• Meets All Requirements of JEDEC Tentative Standard
No. 13B, “Standard Specifications for Description of
‘B’ Series CMOS Devices”
Applications
• Digital Multiplexing
• Shift Right/Shift Left Registers
• True/Complement Selection
Description
CD40257BMS is a data selector/multiplexer featuring three
state outputs which can interface directly with and drive data
lines of bus oriented systems.
The CD40257BMS is supplied in these 16-lead outline
packages:
Braze Seal DIP
H4T
Frit Seal DIP
H1E
Ceramic Flatpack
H3X
December 1992
File Number
3364
Pinout
CD40257BMS
TOP VIEW
Functional Diagram
14
15
16
9
13
12
11
10
1
2
3
4
5
7
6
8
INPUT SELECT
A1
B1
D1
A2
B2
VSS
D2
VDD
A4
B4
D4
A3
B3
D3
OUTPUT DISABLE
2
3
5
6
11
10
14
13
A1
B1
A2
B2
A4
B4
A3
B3
1
4
7
9
12
D1
D2
D3
D4
OUTPUT
15
VDD = 16
VSS = 8
DISABLE
INPUT
SELECT


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