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M74HC7244 Datasheet

OCTAL BUS BUFFER WITH 3 STATE OUTPUTS HC7240: INVERTED - HC7241/7244 NON INVERTED

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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


STMicroelectronics Electronic Components Datasheet

M74HC7244 Datasheet

OCTAL BUS BUFFER WITH 3 STATE OUTPUTS HC7240: INVERTED - HC7241/7244 NON INVERTED

No Preview Available !

M74HC7244
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
PIN No
1
2, 4, 6, 8
9, 7, 5, 3
11, 13, 15,
17
18, 16, 14,
12
19
10
20
SYMBOL NAME AND FUNCTION
1G
1A1 to 1A4
2Y1 to 2Y4
2A1 to 2A4
Output Enable Input
Data Inputs
Data Outputs
Data Inputs
1Y1 to 1Y4 Data Outputs
2G
GND
VCC
Output Enable Input
Ground (0V)
Positive Supply Voltage
TRUTH TABLE
G
X : Don’t Care
Z : High Impedance
L
L
H
INPUTS
An
L
H
X
OUTPUT
Yn
L
H
Z
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
VCC Supply Voltage
-0.5 to +7
V
VI DC Input Voltage
-0.5 to VCC + 0.5
V
VO DC Output Voltage
-0.5 to VCC + 0.5
V
IIK DC Input Diode Current
± 20 mA
IOK DC Output Diode Current
± 20 mA
IO DC Output Current
± 35 mA
ICC or IGND DC VCC or Ground Current
± 70 mA
PD Power Dissipation
500(*)
mW
Tstg Storage Temperature
-65 to +150
°C
TL Lead Temperature (10 sec)
300 °C
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is
not implied
(*) 500mW at 65 °C; derate to 300mW by 10mW/°C from 65°C to 85°C
RECOMMENDED OPERATING CONDITIONS
Symbol
VCC
VI
VO
Top
Supply Voltage
Input Voltage
Output Voltage
Operating Temperature
Parameter
Value
2 to 6
0 to VCC
0 to VCC
-55 to 125
Unit
V
V
V
°C
2/10


Part Number M74HC7244
Description OCTAL BUS BUFFER WITH 3 STATE OUTPUTS HC7240: INVERTED - HC7241/7244 NON INVERTED
Maker ST Microelectronics
Total Page 10 Pages
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