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TC74VCX138FT Datasheet

Low-Voltage 3-to-8 Line Decoder

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CMOS Digital Integrated Circuits Silicon Monolithic
TC74VCX138FT
TC74VCX138FT
1. Functional Description
• Low-Voltage 3-to-8 Line Decoder with 3.6-V Tolerant Inputs and Outputs
2. General
The TC74VCX138FT is a high performance CMOS 3-to-8 decoder which is guaranteed to operate from 1.2 V to
3.6 V. Designed for use in 1.5 V, 1.8 V, 2.5 V or 3.3 V systems, it achieves high speed operation while maintaining
the CMOS low power dissipation.
It is also designed with over voltage tolerant inputs and outputs up to 3.6 V.
When the device is enabled, 3 binary select inputs (A, B and C) determine which one of the outputs (Y0 to Y7)
will go low.
When enable input G1 is held low or either G2A or G2B is held high, decoding function is inhibited and all outputs
go high.
G1, G2A and G2B inputs are provided to ease cascade connection and for use as an address decoder for memory
systems.
All inputs are equipped with protection circuits against static discharge.
3. Features
(1) Wide operating temperature range: Topr = -40 to 125 (Note 1)
(2) Low-voltage operation: VCC = 1.2 to 3.6 V
(3) High-speed operation: tpd = 3.5 ns (max) (VCC = 3.0 to 3.6 V)
tpd = 4.1 ns (max) (VCC = 2.3 to 2.7 V)
tpd = 8.2 ns (max) (VCC = 1.65 to 1.95 V)
tpd = 16.4 ns (max) (VCC = 1.4 to 1.6 V)
tpd = 41.0 ns (max) (VCC = 1.2 V)
(4) Output current: IOH/IOL = ±24 mA (min) (VCC = 3.0 V)
IOH/IOL = ±18 mA (min) (VCC = 2.3 V)
IOH/IOL = ±6 mA (min) (VCC = 1.65 V)
IOH/IOL = ±2 mA (min) (VCC = 1.4 V)
(5) Latch-up performance: -300 mA
(6) ESD performance: Human Body Model ≥ ±2000 V
(7) 3.6 V tolerant function and power-down protection provided on all inputs and outputs.
Note 1: Operating Range spec of Topr = -40 to 125 is applicable only for the products which manufactured after
April 2020.
©2020
Toshiba Electronic Devices & Storage Corporation
1
Start of commercial production
2020-04
2020-09-07
Rev.2.0


Toshiba Electronic Components Datasheet

TC74VCX138FT Datasheet

Low-Voltage 3-to-8 Line Decoder

No Preview Available !

4. Packaging
TC74VCX138FT
5. Pin Assignment
TSSOP16
6. Marking
©2020
Toshiba Electronic Devices & Storage Corporation
2
2020-09-07
Rev.2.0


Part Number TC74VCX138FT
Description Low-Voltage 3-to-8 Line Decoder
Maker Toshiba
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TC74VCX138FT Datasheet PDF






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