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PDF RD74LVC16245B Data sheet ( Hoja de datos )
| Número de pieza | RD74LVC16245B | |
| Descripción | 16-bit Bus Transceivers | |
| Fabricantes | Renesas Technology | |
| Logotipo |  |
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RD74LVC16245B
www.DataSheet4U.com
16-bit Bus Transceivers with 3-state Outputs
Description
REJ03D0529–0100
Rev.1.00
Apr. 18, 2005
The RD74LVC16245B 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 low, 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
• VCC = 1.65 V to 5.5 V
• All inputs VIH (Max.) = 5.5 V (@VCC = 0 V to 5.5 V)
• All outputs VOUT (Max.) = 5.5 V (@VCC = 0 V or output off state)
• Typical VOL ground bounce < 0.8 V (@VCC = 3.3 V, Ta = 25°C)
• Typical VOH undershoot > 2.0 V (@VCC = 3.3 V, Ta = 25°C)
• High output current ±4 mA (@VCC = 1.65 V)
±8 mA (@VCC = 2.3 V)
±12 mA (@VCC = 2.7 V)
±24 mA (@VCC = 3.0 V to 5.5 V)
• Ordering Information
Part Name
Package Type
Package Code
(Previous Code)
RD74LVC16245BTEL
TSSOP–48 pin
PTSP0048KA–A
(TTP–48DBV)
Package
Abbreviation
T
Taping Abbreviation
(Quantity)
EL (1,000 pcs/reel)
Function Table
G
L
L
H
H: High level
L: Low level
X: Immaterial
Z: High impedance
Inputs
DIR
L
H
X
Operation
B data to A bus
A data to B bus
Z
Rev.1.00 Apr. 18, 2005 page 1 of 7
1 page  
RD74LVC16245B
Test Circuit
VCC
Input
Pulse
Generator
Zout = 50 Ω
VCC
www.DataSheet4U.com
1G, 2G
1DIR, 2DIR
1A1 to 1A8
2A1 to 2A8
1B1 to 1B8
2B1 to 2B8
S1
Output
CL
RL S2
RL
OPEN
VTT
GND
Notes: 1. CL includes probe and jig capacitance.
2. S1: Input-Output change switch.
Symbol
tPLH / t PHL
tZH/ t HZ
tZL / t LZ
S2
OPEN
GND
VTT
Waveforms – 1
Input
Output
10 %
tr
90 %
Vref
tPLH
Vref
tf
90 %
Vref
10 %
tPHL
Vref
Note: 1. Input waveform: PRR = 10 MHz, Zo = 50 Ω, duty cycle 50%.
VIH
GND
VOH
VOL
Rev.1.00 Apr. 18, 2005 page 5 of 7
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet RD74LVC16245B.PDF ] | |
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