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| HEF4555B_15 Datasheet, PDF (1/13 Pages) NXP Semiconductors – 1-of-4 decoder/demultiplexer | |||
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HEF4555B
1-of-4 decoder/demultiplexer
Rev. 5 â 18 November 2011
Product data sheet
1. General description
The HEF4555B contains two 1-of-4 decoders/demultiplexers. Each has two address
inputs (nA0 and nA1, an active LOW enable input (nE) and four mutually exclusive
outputs which are active HIGH (nY0 to nY3). When used as a decoder, nE when HIGH,
forces nY0 to nY3 LOW. When used as a demultiplexer, the appropriate output is selected
by the information on nA0 and nA1 with nE as data input. All unselected outputs are LOW.
It operates over a recommended VDD power supply range of 3 V to 15 V referenced to VSS
(usually ground). Unused inputs must be connected to VDD, VSS, or another input.
2. Features and benefits
ï® Fully static operation
ï® 5 V, 10 V, and 15 V parametric ratings
ï® Standardized symmetrical output characteristics
ï® Specified from ï40 ï°C to +85 ï°C
ï® Complies with JEDEC standard JESD 13-B
3. Applications
ï® Code conversion
ï® Address decoding
ï® Demultiplexing: when using the enable input as data input
4. Ordering information
Table 1. Ordering information
All types operate from ï40 ï°C to +85 ï°C.
Type number Package
Name
Description
HEF4555BP
DIP16
plastic dual in-line package; 16 leads (300 mil)
HEF4555BT
SO16
plastic small outline package; 16 leads; body width 3.9 mm
Version
SOT38-4
SOT109-1
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