Nexperia 74HCT138D,652, Decoder, 16-Pin SO

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RS Stock No.:
170-8066
Mfr. Part No.:
74HCT138D,652
Brand:
Nexperia
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Brand

Nexperia

Mounting Type

Surface Mount

Package Type

SO

Pin Count

16

Dimensions

10 x 4 x 1.45mm

Maximum Operating Supply Voltage

6 V

Maximum Operating Temperature

+125 °C

Minimum Operating Temperature

-40 °C

Minimum Operating Supply Voltage

2 V

The 74HC138, 74HCT138 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, E2 and E3). Every output will be HIGH 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 ’138’ ICs and one inverter. The ’138’ 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.

Multiple input enable for easy expansion or independent controls
Integrated input latch to store the address of decoder lines
Ideal for memory chip select decoding
Asynchronous and synchronous load options
Overvoltage tolerant input options
Inverting and non-inverting output options
3-stage outputs
High frequency
Can be cascaded
Key applications
Selection of memory banks and peripherals
I/O expansion