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74HC237 Datasheet PDF - NXP Semiconductors.

Part Number74HC237 NXP
NXP Semiconductors. NXP
Description3-to-8 line decoder, demultiplexer with address latches
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74HC237 Datasheet PDF : 74HC237 pdf   
74HC237 image

General description
The 74HC237 is a high-speed Si-gate CMOS device and is pin compatible with low power Schottky TTL (LSTTL). The 74HC237 is specified in compliance with JEDEC standard no. 7A.
The 74HC237 is a 3-to-8 line decoder, demultiplexer with latches at the three address inputs (An). The 74HC237 essentially combines the 3-to-8 decoder function with a 3-bit storage latch. When the latch is enabled (LE = LOW), the 74HC237 acts as a 3-to-8 active LOW decoder. When the latch enable (LE) goes from LOW-to-HIGH, the last data present at the inputs before this transition, is stored in the latches. Further address changes are ignored as long as LE remains HIGH. The output enable input (E1 and E2) controls the state of the outputs independent of the address inputs or latch operation. All outputs are HIGH unless E1 is LOW and E2 is HIGH. The 74HC237 is ideally suited for implementing non-overlapping decoders in 3-state systems and strobed (stored address) applications in bus oriented systems.

Features and benefits
■ Combines 3-to-8 decoder with 3-bit latch
■ Multiple input enable for easy expansion or independent controls
■ Active HIGH mutually exclusive outputs
■ Low-power dissipation
■ ESD protection:
   ◆ HBM JESD22-A114F exceeds 2 000 V
   ◆ MM JESD22-A115-A exceeds 200 V
■ Multiple package options
■ Specified from -40°C to +85°C and from -40°C to +125°C

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