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74LVCH8T245DBQRG4 Folha de dados(PDF) 1 Page - Texas Instruments

Nome de Peças 74LVCH8T245DBQRG4
Descrição Electrónicos  8-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
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Fabricante Electrônico  TI [Texas Instruments]
Página de início  http://www.ti.com
Logo TI - Texas Instruments

74LVCH8T245DBQRG4 Folha de dados(HTML) 1 Page - Texas Instruments

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FEATURES
DB, DGV, OR PW PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
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16
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14
13
VCCA
DIR
A1
A2
A3
A4
A5
A6
A7
A8
GND
GND
VCCB
VCCB
OE
B1
B2
B3
B4
B5
B6
B7
B8
GND
RHL PACKAGE
(TOP VIEW)
1
24
12
13
2
3
4
5
6
7
8
9
10
11
23
22
21
20
19
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VCCB
OE
B1
B2
B3
B4
B5
B6
B7
B8
DIR
A1
A2
A3
A4
A5
A6
A7
A8
GND
DESCRIPTION/ORDERING INFORMATION
SN74LVCH8T245
8-BIT DUAL-SUPPLY BUS TRANSCEIVER
WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
SCES637 – AUGUST 2005
Bus Hold on Data Inputs Eliminates the Need
for External Pullup/Pulldown Resistors
Control Inputs VIH/VIL Levels Are Referenced
to VCCA Voltage
Latch-Up Performance Exceeds 100 mA Per
JESD 78, Class II
VCC Isolation Feature – If Either VCC Input Is at
GND, All Are in the High-Impedance State
ESD Protection Exceeds JESD 22
Fully Configurable Dual-Rail Design Allows
– 4000-V Human-Body Model (A114-A)
Each Port to Operate Over the Full 1.65-V to
– 200-V Machine Model (A115-A)
5.5-V Power-Supply Range
– 1000-V Charged-Device Model (C101)
BKR
This 8-bit noninverting bus transceiver uses two separate configurable power-supply rails. The SN74LVCH8T245
is optimized to operate with VCCA and VCCB set at 1.65 V to 5.5 V. The A port is designed to track VCCA. VCCA
accepts any supply voltage from 1.65 V to 5.5 V. The B port is designed to track VCCB. VCCB accepts any supply
voltage from 1.65 V to 5.5 V. This allows for universal low-voltage bidirectional translation between any of the
1.8-V, 2.5-V, 3.3-V, and 5.5-V voltage nodes.
ORDERING INFORMATION
TA
PACKAGE(1)
ORDERABLE PART NUMBER
TOP-SIDE MARKING
QFN – RHL
Tape and reel
SN74LVCH8T245RHLR
NJ245
SSOP – DB
Tape and reel
SN74LVCH8T245DBR
NJ245
–40
°C to 85°C
Tube
SN74LVCH8T245PW
TSSOP – PW
NJ245
Tape and reel
SN74LVCH8T245PWR
TVSOP – DGV
Tape and reel
SN74LVCH8T245DGVR
NJ245
(1)
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at
www.ti.com/sc/package.
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 © 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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