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74ACT245M датащи(PDF) 1 Page - STMicroelectronics

номер детали 74ACT245M
подробное описание детали  OCTAL BUS TRANSCEIVER WITH 3 STATE OUTPUTS (NON INVERTED)
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

74ACT245M датащи(HTML) 1 Page - STMicroelectronics

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April 2001
s
HIGH SPEED: tPD = 5.4ns (TYP.) at VCC = 5V
s
LOW POWER DISSIPATION:
ICC = 4 µA(MAX.) at TA=25°C
s
COMPATIBLE WITH TTL OUTPUTS
VIH = 2V (MIN.), VIL = 0.8V (MAX.)
s
50
Ω TRANSMISSION LINE DRIVING
CAPABILITY
s
SYMMETRICAL OUTPUT IMPEDANCE:
|IOH| = IOL = 24mA (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 245
s
IMPROVED LATCH-UP IMMUNITY
DESCRIPTION
The 74ACT245 is an advanced high-speed CMOS
OCTAL
BUS
TRANSCEIVER
(3-STATE)
fabricated
with
sub-micron silicon gate and
double-layer metal wiring C2MOS tecnology.
This IC is intended for two-way asynchronous
communication between data buses and the
direction of data transmission is determined by
DIR input. The enable input G can be used to
disable the device so that the buses are effectively
isolated.
The device is designed to interface directly High
Speed CMOS systems with TTL, NMOS and
CMOS output voltage levels.
All
inputs
and
outputs
are
equipped
with
protection circuits against static discharge, giving
them 2KV ESD immunity and transient excess
voltage.
IT IS PROHIBITED TO APPLY A SIGNAL TO A
TERMINAL WHEN IT IS IN OUTPUT MODE AND
WHEN A BUS THERMINAL IS FLOATING (HIGH
IMPEDANCE STATE) IT IS REQUIRED TO FIX
THE INPUT LEVEL BY MEANS OF EXTERNAL
PULL DOWN OR PULL UP RESISTOR.
74ACT245
OCTAL BUS TRANSCEIVER
WITH 3 STATE OUTPUTS (NON INVERTED)
PIN CONNECTION AND IEC LOGIC SYMBOLS
ORDER CODES
PACKAGE
TUBE
T & R
DIP
74ACT245B
SOP
74ACT245M
74ACT245MTR
TSSOP
74ACT245TTR
TSSOP
DIP
SOP


Аналогичный номер детали - 74ACT245M

производительномер деталидатащиподробное описание детали
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ON Semiconductor
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Аналогичное описание - 74ACT245M

производительномер деталидатащиподробное описание детали
logo
STMicroelectronics
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logo
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logo
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Toshiba Semiconductor
TC74VHCT240AF TOSHIBA-TC74VHCT240AF Datasheet
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