Datasheet > 74VHCT138A_07

74VHCT138A_07

更新时间： 2024-11-24 05:05:55

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		解码器解复用器
页数	文件大小	规格书
12页	308K
描述
3-to-8 Decoder/Demultiplexer

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中文翻译

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数据手册

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74VHCT138A_07 数据手册

74VHCT138A

3 TO 8 LINE DECODER (INVERTING)

■

HIGH SPEED: t = 7.6 ns (TYP.) at V = 5V

PD CC

LOW POWER DISSIPATION:

= 4 µA (MAX.) at T =25°C

■

COMPATIBLE WITH TTL OUTPUTS:

= 2V (MIN.), V = 0.8V (MAX)

POWER DOWN PROTECTION ON INPUTS

& OUTPUTS

SOP

TSSOP

T & R

SYMMETRICAL OUTPUT IMPEDANCE:

|I | = I = 8 mA (MIN)

Table 1: Order Codes

PACKAGE

BALANCED PROPAGATION DELAYS:

PLH

PHL

OPERATING VOLTAGE RANGE:

(OPR) = 4.5V to 5.5V

SOP

74VHCT138AMTR

74VHCT138ATTR

TSSOP

PIN AND FUNCTION COMPATIBLE WITH

74 SERIES 138

■

IMPROVED LATCH-UP IMMUNITY

The three enable inputs are provided to ease

cascade connection and application of address

decoders for memory systems.

LOW NOISE: V

= 0.8V (MAX.)

OLP

Power down protection is provided on all inputs

and outputs and 0 to 7V can be accepted on

inputs with no regard to the supply voltage. This

device can be used to interface 5V to 3V since all

inputs are equipped with TTL threshold.

DESCRIPTION

The 74VHCT138A is an advanced high-speed

CMOS 3 TO 8 LINE DECODER (INVERTING)

fabricated with sub-micron silicon gate and

double-layer metal wiring C MOS technology.

All inputs and outputs are equipped with

protection circuits against static discharge, giving

them 2KV ESD immunity and transient excess

voltage.

If the device is enabled, 3 binary select inputs (A,

B, and C) determine which one of the outputs will

go low. When enable input G1 is held low or either

G2A or G2B is held high, the decoding function is

inhibited and all the 8 outputs go to high.

Figure 1: Pin Connection And IEC Logic Symbols

Rev. 3

1/12

December 2004

12 3 4 5 6 7...12

中文翻译

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与74VHCT138A_07相关器件

型号	品牌	获取价格	描述	数据表
74VHCT138AFT	TOSHIBA	获取价格	CMOS Logic ICs - 74VHC Series
74VHCT138AM	STMICROELECTRONICS	获取价格	3 TO 8 LINE DECODER INVERTING
74VHCT138AM	FAIRCHILD	获取价格	3-to-8 Decoder/Demultiplexer
74VHCT138AMTC	FAIRCHILD	获取价格	3-to-8 Decoder/Demultiplexer
74VHCT138AMTC	ONSEMI	获取价格	3-8 解码器/信号分离器
74VHCT138AMTCX	FAIRCHILD	获取价格	3-To-8-Line Demultiplexer
74VHCT138AMTCX	ONSEMI	获取价格	3-8 解码器/信号分离器
74VHCT138AMTCX_NL	FAIRCHILD	获取价格	Decoder/Driver, AHCT/VHCT Series, Inverted Output, CMOS, PDSO16, 4.40 MM, MO-153AB, TSSOP-
74VHCT138AMTR	STMICROELECTRONICS	获取价格	3 TO 8 LINE DECODER INVERTING
74VHCT138AMTR	FAIRCHILD	获取价格	3 TO 8 LINE DECODER (INVERTING)