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M74HC243 Datasheet(PDF) 1 Page - STMicroelectronics

Part # M74HC243
Description  QUAD BUS TRANSCEIVER (3 - STATE)
Download  11 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M74HC243 Datasheet(HTML) 1 Page - STMicroelectronics

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August 2001
s
HIGH SPEED:
tPD = 11ns (TYP.) at VCC = 6V
s
LOW POWER DISSIPATION:
ICC = 4µA(MAX.) at TA=25°C
s
HIGH NOISE IMMUNITY:
VNIH = VNIL = 28 % VCC (MIN.)
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 243
DESCRIPTION
The M74HC243 is an high speed CMOS QUAD
BUS TRANSCEIVER (3-STATE) fabricated with
silicon gate C2MOS technology.
The
M74HC243
is
a
3-state
bidirectional
non-inverting buffer and is intended for two way
asynchronous
communication
between
data
buses. It has high drive current outputs which
enable high speed operation when driving large
bus capacitance. The device has one active high
enable (GBA), and one active low enable (GAB)
All inputs are equipped with protection circuits
against static discharge and transient excess
voltage.
M74HC243
QUAD BUS TRANSCEIVER (3 - STATE)
PIN CONNECTION AND IEC LOGIC SYMBOLS
ORDER CODES
PACKAGE
TUBE
T & R
DIP
M74HC243B1R
SOP
M74HC243M1R
M74HC243RM13TR
TSSOP
M74HC243TTR
TSSOP
DIP
SOP


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