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Renesas Electronics Components Datasheet

RD74HC245A Datasheet

Octal Bus Transceivers

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Preliminary Datasheet
RD74HC245A
Octal Bus Transceivers (with 3-state outputs)
R07DS0047EJ0100
Rev.1.00
Jul 20, 2010
Description
Each device has an active low enable input G and a direction control input, DIR. When DIR is high, data flows from
the A inputs to the B outputs. When DIR is low, data flows from the B inputs to the A outputs. The RD74HC245A
transfers true data from one bus to the other. This device does not have schmitt trigger inputs.
Features
High Speed Operation: tpd = 8 ns typ (CL = 50 pF)
High Output Current: Fanout of 15 LSTTL Loads
Wide Operating Voltage: VCC = 2 to 6 V
Low Input Current: 1 µA max
Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C)
Ordering Information
Part Name
Package Type
Package Code
(Previous Code)
Package
Abbreviation
RD74HC245APT0
DILP-20 pin
PRDP0020AC-B
(DP-20NEV)
P
RD74HC245AFPH0 SOP-20 pin (JEITA)
PRSP0020DD-B
(FP-20DAV)
FP
RD74HC245ARPH0
SOP-20 pin (JEDEC)
PRSP0020DC-A
(FP-20DBV)
RP
Note: Please consult the sales office for the above package availability.
Taping Abbreviation
(Quantity)
Surface
Treatment
— 0 (Ni/Pd/Au)
H (2,000 pcs/reel)
0 (Ni/Pd/Au)
H (1,000 pcs/reel)
0 (Ni/Pd/Au)
Function Table
Enable G
L
L
H
H : high level
L : low level
X : irrelevant
Direction Control DIR
L
H
X
Operation
B data to A bus
A data to B bus
Isolation
R07DS0047EJ0100 Rev.1.00
Jul 20, 2010
www.DataSheet.in
Page 1 of 7


Renesas Electronics Components Datasheet

RD74HC245A Datasheet

Octal Bus Transceivers

No Preview Available !

RD74HC245A
Pin Arrangement
DIR 1
A1 2
A2 3
A3 4
A4 5
A5 6
A6 7
A7 8
A8 9
GND 10
(Top view)
20 VCC
19
Enable
G
18 B1
17 B2
16 B3
15 B4
14 B5
13 B6
12 B7
11 B8
Preliminary
Absolute Maximum Ratings
Item
Symbol
Ratings
Unit Conditions
Supply voltage range
VCC –0.5 to 7.0 V
Input / Output voltage
Input / Output diode current
Output current
VCC, GND current
VIN, VOUT
IIK, IOK
IO
ICC or IGND
–0.5 to VCC +0.5
20
35
75
V
mA
mA
mA
Power dissipation
PT
1375
mW
DIP
835 mW SOP
757 mW TSSOP
Storage temperature
Tstg –65 to +150 °C
Note: The absolute maximum ratings are values, which must not individually be exceeded, and furthermore, no two of
which may be realized at the same time.
Recommended Operating Conditions
Item
Symbol
Ratings
Supply voltage
VCC 2 to 6
Input / Output voltage
VIN, VOUT
0 to VCC
Operating temperature
Input rise / fall time*1
Ta –40 to 85
tr, tf 0 to 1000
0 to 500
0 to 400
Notes: 1. This item guarantees maximum limit when one input switches.
Waveform: Refer to test circuit of switching characteristics.
Unit
V
V
°C
ns
Conditions
VCC = 2.0 V
VCC = 4.5 V
VCC = 6.0 V
R07DS0047EJ0100 Rev.1.00
Jul 20, 2010
www.DataSheet.in
Page 2 of 7


Part Number RD74HC245A
Description Octal Bus Transceivers
Maker Renesas Technology
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RD74HC245A Datasheet PDF






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