M74HC7244B1R 查看數據表（PDF） - STMicroelectronics

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M74HC7244B1R

OCTAL BUS BUFFER WITH 3 STATE OUTPUTS (NON INVERTED)

STMicroelectronics 

M74HC7244

OCTAL BUS BUFFER

WITH 3 STATE OUTPUTS (NON INVERTED)

s HIGH SPEED:

tPD = 13ns (TYP.) at VCC = 6V

s LOW POWER DISSIPATION:

ICC = 4µA(MAX.) at TA=25°C

s HIGH NOISE IMMUNITY:

VH = 1.2 V (TYP.) at VCC = 6V

s SYMMETRICAL OUTPUT IMPEDANCE:

|IOH| = IOL = 6mA (MIN)

s BALANCED PROPAGATION DELAYS:

tPLH ≅ tPHL

s WIDE OPERATING VOLTAGE RANGE:

VCC (OPR) = 2V to 6V

s PIN AND FUNCTION COMPATIBLE WITH

74 SERIES 7244

DESCRIPTION

The 74HC7244 is an advanced high-speed CMOS

OCTAL BUS BUFFER (3-STATE) fabricated with

silicon gate C2MOS technology.

G control input governs four BUS BUFFERs.

DIP

SOP

TSSOP

ORDER CODES

PACKAGE

TUBE

DIP

SOP

TSSO P

M74HC7244B1R

M74HC7244M1R

T &R

M74HC7244RM13TR

M74HC7244TTR

This device have a hysteresis characteristics with

each input so can be used as a line receiver, etc.

All inputs are equipped with protection circuits

against static discharge and transient excess

voltage.

PIN CONNECTION AND IEC LOGIC SYMBOLS

July 2001

1/10

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