MC74VHC245DT ON Semiconductor, MC74VHC245DT Datasheet

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MC74VHC245DT

Manufacturer Part Number
MC74VHC245DT
Description
IC BUS TRANSCVR 8BIT 20TSSOP
Manufacturer
ON Semiconductor
Series
74VHCr
Datasheet

Specifications of MC74VHC245DT

Logic Type
Transceiver, Non-Inverting
Number Of Elements
1
Number Of Bits Per Element
8
Current - Output High, Low
8mA, 8mA
Voltage - Supply
2 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
20-TSSOP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

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Price
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MC74VHC245DT
Manufacturer:
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Quantity:
20 000
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Octal Bus Transceiver
transceiver fabricated with silicon gate CMOS technology. It achieves
high speed operation similar to equivalent Bipolar Schottky TTL
while maintaining CMOS low power dissipation.
data buses. The direction of data transmission is determined by the
level of the DIR input. The output enable pin (OE) can be used to
disable the device, so that the buses are effectively isolated.
discharge.
w
APPLICATION NOTES
ON Semiconductort
© Semiconductor Components Industries, LLC, 2006
March, 2006 − Rev. 5
The MC74VHC245 is an advanced high speed CMOS octal bus
It is intended for two−way asynchronous communication between
All inputs are equipped with protection circuits against static
These devices are available in Pb−free package(s). Specifications herein
apply to both standard and Pb−free devices. Please see our website at
www.onsemi.com for specific Pb−free orderable part numbers, or
contact your local ON Semiconductor sales office or representative.
damage may occur.
means of pull up or pull down resistors or bus terminator ICs.
Therefore, the VHC245 cannot be used to interface 5V to 3V systems
directly.
High Speed: t
Low Power Dissipation: I
High Noise Immunity: V
Power Down Protection Provided on Inputs
Balanced Propagation Delays
Designed for 2V to 5.5V Operating Range
Low Noise: V
Pin and Function Compatible with Other Standard Logic Families
Latchup Performance Exceeds 300mA
ESD Performance: HBM > 2000V; Machine Model > 200V
Chip Complexity: 308 FETs or 77 Equivalent Gates
Do not force a signal on an I/O pin when it is an active output,
All floating (high impedance) input or I/O pins must be fixed by
A parasitic diode is formed between the bus and V
PD
OLP
= 4.0ns (Typ) at V
= 1.2V (Max)
NIH
CC
= 4μA (Max) at T
= V
NIL
CC
= 28% V
= 5V
CC
A
= 25°C
CC
terminals.
1
MC74VHC245
MC74VHCXXXDW
MC74VHCXXXDT
MC74VHCXXXM
20−LEAD SOIC WIDE PACKAGE
20−LEAD SOIC EIAJ PACKAGE
20−LEAD TSSOP PACKAGE
ORDERING INFORMATION
CASE 751D−05
CASE 948E−02
CASE 967−01
DW SUFFIX
DT SUFFIX
M SUFFIX
Publication Order Number:
SOIC WIDE
TSSOP
SOIC EIAJ
MC74VHC245/D

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MC74VHC245DT Summary of contents

Page 1

... These devices are available in Pb−free package(s). Specifications herein apply to both standard and Pb−free devices. Please see our website at www.onsemi.com for specific Pb−free orderable part numbers, or contact your local ON Semiconductor sales office or representative. APPLICATION NOTES • Do not force a signal on an I/O pin when active output, damage may occur. • ...

Page 2

DATA 6 A5 PORT DIR 19 OE Figure 1. LOGIC DIAGRAM FUNCTION TABLE Control Inputs OE DIR Operation L L Data Transmitted from Bus ...

Page 3

MAXIMUM RATINGS* Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î ...

Page 4

DC ELECTRICAL CHARACTERISTICS Î Î Î Î ...

Page 5

50% t PLH 50 Figure 3. TEST POINT OUTPUT DEVICE UNDER C * TEST L *Includes all probe and jig capacitance Figure 5. SWITCHING WAVEFORMS DIR OE 50 GND ...

Page 6

DIR 19 OE DIR, OE INPUT Figure 8. INPUT EQUIVALENT CIRCUIT Figure 7. EXPANDED LOGIC DIAGRAM A, B I/O Figure 9. BUS TERMINAL ...

Page 7

20X 0. 18X A1 K 20X REF 0.10 (0.004) 0.15 (0.006 L PIN 1 IDENT 1 0.15 (0.006) T ...

Page 8

... L DETAIL P VIEW American Technical Support: 800−282−9855 Toll Free USA/Canada Japan: ON Semiconductor, Japan Customer Focus Center 2−9−1 Kamimeguro, Meguro−ku, Tokyo, Japan 153−0051 Phone: 81−3−5773−3850 http://onsemi.com 8 NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: MILLIMETER. ...

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