74HC237 3-to-8 Line Decoder/Demultiplexer with Latches
A versatile IC combining decoder and latch functions for efficient control
- Supply Voltage (VCC): 2V to 6V
- DC Input or Output Voltage (VIN, VOUT): 0V to VCC
- Ambient Temperature: -40°C to +125°C
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Input Rise or Fall Times:
- VCC = 2.0V: 625ns
- VCC = 4.5V: 139ns
- VCC = 6.0V: 83ns
- Package Includes: 1 X 74HC237 3-to-8 line Decoder/Demultiplexer IC (74237 IC) DIP-16 Package
Top Features:
- 3-to-8 decoder with 3-bit latch
- Multiple input enable for easy expansion
- Active HIGH mutually exclusive outputs
- Wide supply voltage range of 2.0V to 6.0V
The 74HC237 is a 3-to-8 line decoder and demultiplexer with latches at the three address inputs (An). It combines the decoder function with a 3-bit storage latch. The IC acts as a 3-to-8 active LOW decoder when the latch is enabled (LE = LOW). Address changes are ignored as long as LE remains HIGH after a LOW-to-HIGH transition. The output enable input (E1 and E2) controls the outputs independently of the address inputs or latch operation.
It is suitable for non-overlapping decoders in 3-state systems and strobes applications in bus-oriented systems. The 74HC237 offers high noise immunity, low power dissipation, and latch-up performance exceeding 100 mA per JESD 78 Class II Level B. It complies with JEDEC standards and provides ESD protection.
Specified for a wide temperature range from -40°C to +125°C, the 74HC237 is a versatile choice for various electronic applications.
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