HD74LVC16245 Hitachi Semiconductor, HD74LVC16245 Datasheet

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HD74LVC16245

Manufacturer Part Number
HD74LVC16245
Description
16-bit Bus Transceivers with 3-state Outputs
Manufacturer
Hitachi Semiconductor
Datasheet

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Description
The HD74LVC16245A has sixteen two direction buffers, for the fittest at two direction bus lines with three
state outputs. A direction control input, DIR. When DIR is high, data flows from the A inputs to the B
outputs. When DIR is high, data flows from the B inputs to the A outputs. When enable inputs (G) is high,
disables both A and B ports by placing then in a high impedance. Low voltage and high speed operation is
suitable at the battery drive product (note type personal computer) and low power consumption extends the
life of a battery for long time operation.
Features
Function Table
G
L
L
H
H:
L:
X:
Z:
V
All inputs V
All outputs V
Typical V
Typical V
High output current ±24 mA (@V
CC
High level
Low level
Immaterial
= 2.0 V to 5.5 V
High impedance
OL
OH
IH
ground bounce < 0.8 V (@V
undershoot > 2.0 V (@V
OUT
16-bit Bus Transceivers with 3-state Outputs
(Max.) = 5.5 V (@V
(Max.) = 5.5 V (@V
HD74LVC16245A
Inputs
DIR
L
H
X
CC
CC
= 3.0 V to 5.5 V)
CC
CC
= 0 V to 5.5 V)
= 3.3 V, Ta = 25°C)
= 0 V or output off state)
CC
= 3.3 V, Ta = 25°C)
Operation
B data to A bus
A data to B bus
Z
ADE-205-120B(Z)
December 1996
3rd Edition

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HD74LVC16245 Summary of contents

Page 1

... Bus Transceivers with 3-state Outputs Description The HD74LVC16245A has sixteen two direction buffers, for the fittest at two direction bus lines with three state outputs. A direction control input, DIR. When DIR is high, data flows from the A inputs to the B outputs. When DIR is high, data flows from the B inputs to the A outputs. When enable inputs (G) is high, disables both A and B ports by placing then in a high impedance ...

Page 2

... HD74LVC16245A Pin Arrangement 1DIR 1B1 1B2 GND 1B3 1B4 V 1B5 1B6 GND 1B7 1B8 2B1 2B2 GND 2B3 2B4 V 2B5 2B6 GND 2B7 2B8 2DIR (Top view ...

Page 3

... Ratings 1.5 to 5.5 CC 2 5.5 – – – HD74LVC16245A Unit Conditions –0 DIR –0 +0 Output "H" or "L" V Output "Z" :OFF ...

Page 4

... HD74LVC16245A Electrical Characteristics Item Symbol V Input voltage Output voltage Input current I IN Off state output current I OZ Output leak current I OFF Quiescent supply current – (V) Min Max Unit Test Conditions CC 2.7 to 3.6 2.0 — ...

Page 5

... IN 2.7 — 15 – PHLm PHLn HD74LVC16245A Max Unit From (Input) To (Output) 5 5 7 7.2 ns 6.0 ns — ns 1.0 ns 1.0 ns — ...

Page 6

... HD74LVC16245A Test Circuit V CC Input Pulse generator out Notes includes probe and jig capacitance A2-B2 to A8-B8 are identical to above load circuit Input-Output change switch. Waveforms – 1 Input 10 % Output Notes 2 Input waveform : PRR = 10 MHz, duty cycle 50% ...

Page 7

... Waveform – B shows input conditions such that the output is "H" level when enable by the output control ref ref ref HD74LVC16245A V IH GND V OH1 – 0 OL1 Vcc=2.7V, TEST Vcc=5.0 0.5V 3 ...

Page 8

Max 48 1 0.50 +0.04 *0.21 –0.05 +0.03 0.19 –0.05 0.65 Max 0.10 *Dimension including the plating thickness Base material dimension 25 24 0.08 M 8.10 1.0 0.20 0 – 8 0.50 0.1 Hitachi Code TTP-48DB JEDEC — ...

Page 9

... This product is not designed to be radiation resistant one is permitted to reproduce or duplicate, in any form, the whole or part of this document without written approval from Hitachi. 7. Contact Hitachi’s sales office for any questions regarding this document or Hitachi semiconductor products. Hitachi, Ltd. Semiconductor & Integrated Circuits. ...

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