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SN74LVCC4245ADBR Datasheet(PDF) 1 Page - Texas Instruments

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Part No. SN74LVCC4245ADBR
Description  OCTAL DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE OUTPUT VOLTAGE AND 3-STATE OUTPUTS
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

SN74LVCC4245ADBR Datasheet(HTML) 1 Page - Texas Instruments

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FEATURES
DB, DW, NS, OR PW PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
VCCA
DIR
A1
A2
A3
A4
A5
A6
A7
A8
GND
GND
VCCB
NC
OE
B1
B2
B3
B4
B5
B6
B7
B8
GND
NC - No internal connection
DESCRIPTION/ORDERING INFORMATION
SN74LVCC4245A
OCTAL DUAL-SUPPLY BUS TRANSCEIVER
WITH CONFIGURABLE OUTPUT VOLTAGE AND 3-STATE OUTPUTS
SCAS584M – NOVEMBER 1996 – REVISED MARCH 2005
Bidirectional Voltage Translator
4.5 V to 5.5 V on A Port and 2.7 V to 5.5 V on
B Port
Control Inputs VIH/VIL Levels Are Referenced
to VCCA Voltage
Latch-Up Performance Exceeds 250 mA Per
JESD 17
ESD Protection Exceeds JESD 22
– 2000-V Human-Body Model (A114-A)
– 200-V Machine Model (A115-A)
– 1000-V Charged-Device Model (C101)
This 8-bit (octal) noninverting bus transceiver uses two separate power-supply rails. The A port, VCCA, is
dedicated to accepting a 5-V supply level, and the configurable B port, which is designed to track VCCB, accepts
voltages from 3 V to 5 V. This allows for translation from a 3.3-V to a 5-V environment and vice versa.
The SN74LVCC4245A is designed for asynchronous communication between data buses. The device transmits
data from the A bus to the B bus or from the B bus to the A bus, depending on the logic level at the
direction-control (DIR) input. The output-enable (OE) input can be used to disable the device so the buses
effectively are isolated. The control circuitry (DIR, OE) is powered by VCCA.
ORDERING INFORMATION
TA
PACKAGE(1)
ORDERABLE PART NUMBER
TOP-SIDE MARKING
Tube of 25
SN74LVCC4245ADW
SOIC – DW
LVCC4245A
Reel of 2000
SN74LVCC4245ADWR
SOP – NS
Reel of 2000
SN74LVCC4245ANSR
LVCC4245A
–40
°C to 85°C
SSOP – DB
Reel of 2000
SN74LVCC4245ADBR
LG245A
Tube of 60
SN74LVCC4245APW
TSSOP – PW
Reel of 2000
SN74LVCC4245APWR
LG245A
Reel of 250
SN74LVCC4245APWT
(1)
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at
www.ti.com/sc/package.
FUNCTION TABLE
(EACH TRANSCEIVER)
INPUTS
OPERATION
OE
DIR
L
L
B data to A bus
L
H
A data to B bus
H
X
Isolation
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Copyright © 1996–2005, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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