74HC238D,653 Nexperia Demultiplexer 16-SO
74HC238D Nexperia Original Label
⑴ Product Number: 74HC238D,653
⑵ 74HC238D,653 Manufacturer: Nexperia
⑶ Category: Integrated Circuits (ICs) | Logic - Signal Switches, Multiplexers, Decoders
⑷ Description: Encoders, Decoders, Multiplexers & Demultiplexers 3-8 LINE DCOD/DMUX
⑸ Datasheet: https://bit.ly/2WpCKTg
⑹ Type: Decoder/Demultiplexer
⑺ Current - Output High, Low: 5.2mA, 5.2mA
⑻ Voltage - Supply: 2V ~ 6V
⑼ Mounting Type: SMD/SMT
⑽ Package / Case: SO-16
⑾ Base Product Number: 74HC238
⑿ RoHS Status: ROHS3 Compliant
74HC238D Nexperia Demultiplexer
⒀ 74HC238D,653 Features and benefits
• Demultiplexing capability
• Multiple input enable for easy expansion
• Ideal for memory chip select decoding
• Active HIGH mutually exclusive outputs
• Multiple package options
• Complies with JEDEC standard no. 7A
• Input levels:
• For 74HC238: CMOS level
• For 74HCT238: TTL level
• ESD protection:
• HBM JESD22-A114F exceeds 2000 V
• MM JESD22-A115-A exceeds 200 V
• Specified from -40 °C to +85 °C and from -40 °C to +125 °C
The 74HC238 decodes three binary weighted address inputs (A0, A1 and A2) to eight mutually exclusive outputs (Y0 to Y7). The device features three enable inputs (E1 and E2 and E3).
Every output will be LOW unless E1 and E2 are LOW and E3 is HIGH. This multiple enable function allows easy parallel expansion to a 1-of-32 (5 to 32 lines) decoder with just four '238 ICs and one inverter.
The '238 can be used as an eight output demultiplexer by using one of the active LOW enable inputs as the data input and the remaining enable inputs as strobes. Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC.
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