m54hc245k1 STMicroelectronics, m54hc245k1 Datasheet

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m54hc245k1

Manufacturer Part Number
m54hc245k1
Description
Octal Bus Transceiver 3-state Hc245 Non Inverting Hc640 Inverting, Hc643 Inverting/non Inverting
Manufacturer
STMicroelectronics
Datasheet

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M54HC245K1
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DESCRIPTION
The M54HC245 is an advanced high-speed
CMOS OCTAL BUS TRANSCEIVER (3-STATE)
fabricated with silicon gate C
PIN CONNECTION
April 2004
HIGH SPEED:
t
LOW POWER DISSIPATION:
I
HIGH NOISE IMMUNITY:
V
SYMMETRICAL OUTPUT IMPEDANCE:
|I
BALANCED PROPAGATION DELAYS:
t
WIDE OPERATING VOLTAGE RANGE:
V
PIN AND FUNCTION COMPATIBLE WITH
54 SERIES 245
SPACE GRADE-1: ESA SCC QUALIFIED
50 krad QUALIFIED, 100 krad AVAILABLE ON
REQUEST
NO SEL UNDER HIGH LET HEAVY IONS
IRRADIATION
DEVICE FULLY COMPLIANT WITH
SCC-9405-013
PD
CC
PLH
OH
NIH
CC
= 10ns (TYP.) at V
= 4 A(MAX.) at T
| = I
(OPR) = 2V to 6V
= V
t
PHL
OL
NIL
= 6mA (MIN)
= 28% V
CC
A
CC
=25°C
(MIN.)
= 6V
2
WITH 3 STATE OUTPUTS (NON INVERTED)
MOS technology.
RAD-HARD OCTAL BUS TRANSCEIVER
ORDER CODES
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.
All inputs are equipped with protection circuits
against static discharge and transient excess
voltage.
All floating bus terminals during High Z State must
be held HIGH or LOW.
PACKAGE
DILC
FPC
DILC-20
M54HC245D
M54HC245K
FM
M54HC245
FPC-20
M54HC245D1
M54HC245K1
EM
1/10

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m54hc245k1 Summary of contents

Page 1

... All inputs are equipped with protection circuits against static discharge and transient excess voltage. All floating bus terminals during High Z State must MOS technology. be held HIGH or LOW. M54HC245 DILC-20 FPC- M54HC245D M54HC245D1 M54HC245K M54HC245K1 1/10 ...

Page 2

M54HC245 IEC LOGIC SYMBOLS INPUT AND OUTPUT EQUIVALENT CIRCUIT TRUTH TABLE INPUTS G DIR Don’t Care Z : High Impedance 2/10 PIN DESCRIPTION PIN N° 18, 17, ...

Page 3

ABSOLUTE MAXIMUM RATINGS Symbol V Supply Voltage Input Voltage Output Voltage Input Diode Current Output Diode Current Output Current ...

Page 4

M54HC245 DC SPECIFICATIONS Symbol Parameter V V High Level Input IH Voltage V Low Level Input IL Voltage V High Level Output OH Voltage V Low Level Output OL Voltage I Input Leakage I Current I High Impedance OZ Output ...

Page 5

AC ELECTRICAL CHARACTERISTICS (C Symbol Parameter Output Transition TLH THL Time t t Propagation Delay PLH PHL Time t t High Impedance PZL PZH Output Enable Time t t High Impedance PLZ PHZ Output Disable Time CAPACITIVE ...

Page 6

M54HC245 TEST CIRCUIT PLH PHL PZL PLZ PZH PHZ C = 50pF/150pF or equivalent (includes jig and probe capacitance equivalent pulse ...

Page 7

WAVEFORM 2: OUTPUT ENABLE AND DISABLE TIME (f=1MHz; 50% duty cycle) M54HC245 7/10 ...

Page 8

M54HC245 DIM. MIN. A 2.1 a1 3.00 a2 0.63 B 1.93 b 0.40 b1 0.20 D 25. 22.73 e3 7. 11.30 L 1.14 8/10 DILC-20 MECHANICAL DATA mm. TYP MAX. 2.71 3.70 ...

Page 9

FPC-20 MECHANICAL DATA DIM. MIN. A 9.98 10.16 B 9.98 10.16 C 1.45 D 0.10 0.127 E 11.30 11. 0.38 H 7.24 L 24. 1.14 P 0.10 mm. TYP MAX. MIN. 10.34 0.393 10.34 ...

Page 10

... No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied ...

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