74VHCT126AM datasheet(1/8 Pages) STMICROELECTRONICS

Numer części	74VHCT126AM

Szczegółowy opis	QUAD BUS BUFFERS 3-STATE

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Producent	STMICROELECTRONICS [STMicroelectronics]

Strona internetowa	http://www.st.com

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74VHCT126A

QUAD BUS BUFFERS (3-STATE)

PRELIMINARY DATA

March 2000

PIN CONNECTION AND IEC LOGIC SYMBOLS

s

HIGH SPEED: tPD = 5 ns (TYP.) at VCC =5V

s

LOW POWER DISSIPATION:

ICC =4

µA (MAX.) at TA =25 oC

s

COMPATIBLE WITH TTL OUTPUTS:

VIH =2V (MIN), VIL = 0.8V (MAX)

s

POWER DOWN PROTECTION ON INPUTS &

OUTPUTS

s

SYMMETRICAL OUTPUT IMPEDANCE:

|IOH|=IOL = 8 mA (MIN)

s

BALANCED PROPAGATION DELAYS:

tPLH

≅ tPHL

s

OPERATING VOLTAGE RANGE:

VCC (OPR) = 4.5V to 5.5V

s

PIN AND FUNCTION COMPATIBLE WITH

74 SERIES 126

s

IMPROVED LATCH-UP IMMUNITY

s

LOW NOISE: VOLP = 0.8V (Max.)

DESCRIPTION

The 74VHCT126A is an advanced high-speed

CMOS QUAD BUS BUFFERS fabricated with

sub-micron silicon gate and double-layer metal

wiring C

2MOS technology.

This device requires the 3-STATE control input G

to be set low to place the output into the high

impedance state.

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.

All inputs

and

outputs are

equipped with

protection circuits against static discharge, giving

them 2KV ESD immunity and transient excess

voltage.

®

SOP

TSSOP

ORDER CODES

PACKAGE

T UBE

T & R

SOP

74VHCT126AM

74VHCT126AMTR

TSSOP

74VHCT126ATTR

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