M54HCT245D STMICROELECTRONICS [STMicroelectronics], M54HCT245D Datasheet

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M54HCT245D

Manufacturer Part Number
M54HCT245D
Description
RAD HARD OCTAL BUS TRANSCEIVER WITH 3 STATE OUTPUTS (NON INVERTED)
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
DESCRIPTION
The M54HCT245 is an advanced high-speed
CMOS OCTAL BUS TRANSCEIVER (3-STATE)
fabricated with silicon gate C
This IC is intended for two-way asynchronous
communication between data buses, and the
PIN CONNECTION
June 2004
HIGH SPEED:
t
LOW POWER DISSIPATION:
I
COMPATIBLE WITH TTL OUTPUTS:
V
SYMMETRICAL OUTPUT IMPEDANCE:
|I
BALANCED PROPAGATION DELAYS:
t
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-9405-014
PD
CC
PLH
OH
IH
= 13ns (TYP.) at V
= 4 A(MAX.) at T
= 2V (MIN.) V
| = I
t
PHL
OL
= 6mA (MIN)
IL
= 0.8V (MAX)
A
CC
=25°C
= 4.5V
2
WITH 3 STATE OUTPUTS (NON INVERTED)
MOS technology.
RAD HARD OCTAL BUS TRANSCEIVER
ORDER CODES
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
M54HCT245D
M54HCT245K
FM
M54HCT245
Rev. 1
M54HCT245D1
M54HCT245K1
FPC-20
EM
1/10

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M54HCT245D Summary of contents

Page 1

... All inputs are equipped with protection circuits against static discharge and transient excess 2 voltage. MOS technology. All floating bus terminals during High Z State must be held HIGH or LOW. M54HCT245 DILC-20 FM DILC M54HCT245D FPC M54HCT245K Rev. 1 FPC-20 EM M54HCT245D1 M54HCT245K1 1/10 ...

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M54HCT245 Figure 1: IEC Logic Symbols Figure 2: Input And Output Equivalent Circuit Table 2: Truth Table INPUTS Don’t Care Z : High Impedance 2/10 Table 1: Pin Description PIN N° ...

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Table 3: Absolute Maximum Ratings Symbol V Supply Voltage Input Voltage Output Voltage Input Diode Current Output Diode Current Output Current ...

Page 4

M54HCT245 Table 5: DC Specifications Symbol Parameter 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 ...

Page 5

Table 7: Capacitive Characteristics Symbol Parameter C Input Capacitance IN Output C I/OUT Capacitance C Power Dissipation PD Capacitance (note defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating ...

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M54HCT245 Figure 4: Waveform - Propagation Delay Time (f=1MHz; 50% duty cycle) Figure 5: Waveform - Output Enable And Disable Time (f=1MHz; 50% duty cycle) 6/10 ...

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DILC-20 MECHANICAL DATA DIM. MIN. A 2.1 a1 3.00 a2 0.63 B 1.93 b 0.40 b1 0.20 0.254 D 25.14 25. 22.73 22.86 e2 7. 11.30 L 1.14 mm. TYP MAX. 2.71 ...

Page 8

M54HCT245 DIM. MIN. A 9.98 B 9.98 C 1.45 D 0.10 E 11. 0.38 H 7.24 L 24. 1.14 P 0.10 8/10 FPC-20 MECHANICAL DATA mm. TYP MAX. 10.16 10.34 10.16 10.34 1.61 1.78 ...

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Table 8: Revision History Date Revision 15-Jun-2004 1 Description of Changes First Release M54HCT245 9/10 ...

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M54HCT245 Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its ...

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