Part # 74VHC138 datasheet

Part Manufacturer: ST Microelectronics

ST Microelectronics

Part Description: 3 to 8 line decoder (inverting)

Part Details:

74VH November 1992 Revised April 1999 C13 8 3- 74VHC138 to- 3-to-8 Decoder/Demultiplexer 8 De General Description 0V to 7V can be applied to the input pins without regard to c the supply voltage. This device can be used to interface 5V oder/ The VHC138 is an advanced high speed CMOS 3-to-8 to 3V systems and two supply systems such as battery decoder/demultiplexer fabricated with silicon gate CMOS back up. This circuit prevents device destruction due to technology. It achieves the high speed operation similar to mismatched supply and input voltages. D equivalent Bipolar Schottky TTL while maintaining the em CMOS low power dissipation. Features When the device is enabled, 3 binary select inputs (A0, A1 ul s High Speed: t and A PD = 5.7ns (typ) at TA = 25°C 2) determine which one of the outputs (O0­O7) will go ti LOW. When enable input E s Low power dissipation: ICC = 4 µA (max.) at TA = 25°C pl 3 is held LOW or either E1 or E2 s exer is held HIGH, decoding function is inhibited and all outputs High noise immunity: VNIH = VNIL = 28% VCC (min.) go HIGH. E3, E1 and E2 inputs are provided to ease cas- s Power down protection provided on all inputs cade connection and for use as an address decoder for s Pin and function compatible with 74HC138 memory systems. An input protection circuit ensures that Ordering Code: Order Number Package Number Package Description 74VHC138M M16A 16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow 74VHC138SJ M16D

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74VHC138.pdf Datasheet