參數(shù)資料
型號(hào)： SN74AVC16T245GQLR
廠商： Texas Instruments, Inc.
英文描述： 16 BIT DUAL SUPPLY BUS TRANSCEIVER
中文描述： 16位雙電源總線收發(fā)器
文件頁(yè)數(shù)： 1/18頁(yè)
文件大小： 431K
代理商： SN74AVC16T245GQLR
SN74AVC16T245
16BIT DUALSUPPLY BUS TRANSCEIVER
WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3STATE OUTPUTS
SCES551A – FEBRUARY 2004 – REVISED AUGUST 2004
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Control Inputs VIH/VIL Levels Are
Referenced to VCCA Voltage
D VCC Isolation Feature If Either VCC Input
Is at GND, Both Ports Are in the
High-Impedance State
D Overvoltage-Tolerant Inputs/Outputs Allow
Mixed-Voltage-Mode Data Communications
D Fully Configurable Dual-Rail Design Allows
Each Port to Operate Over the Full 1.2-V to
3.6-V Power-Supply Range
D Ioff Supports Partial-Power-Down Mode
Operation
D I/Os Are 4.6-V Tolerant
D Latch-Up Performance Exceeds 100 mA Per
JESD 78, Class II
D ESD Protection Exceeds JESD 22
4000-V Human-Body Model (A114-A)
200-V Machine Model (A115-A)
1000-V Charged-Device Model (C101)
description/ordering information
This 16-bit noninverting bus transceiver uses two
separate configurable power-supply rails. The
SN74AVC16T245 is optimized to operate with
VCCA/VCCB set at 1.4 V to 3.6 V. It is operational
with VCCA/VCCB as low as 1.2 V. The A port is
designed to track VCCA. VCCA accepts any supply
voltage from 1.2 V to 3.6 V. The B port is
designed to track VCCB. VCCB accepts any supply voltage from 1.2 V to 3.6 V. This allows for universal
low-voltage bidirectional translation between any of the 1.2-V, 1.5-V, 1.8-V, 2.5-V, and 3.3-V voltage nodes.
The SN74AVC16T245 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 outputs so the buses are
effectively isolated.
The SN74AVC16T245 is designed so that the control pins (1DIR, 2DIR, 1OE, and 2OE) are supplied by VCCA.
ORDERING INFORMATION
TA
PACKAGE
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
TSSOP DGG
Tape and reel
SN74AVC16T245DGGR
AVC16T245
40
°C to 85°C
TVSOP DGV
Tape and reel
SN74AVC16T245DGVR
WF245
40
°C to 85°C
VFBGA GQL
Tape and reel
SN74AVC16T245GQLR
WF245
VFBGA ZQL (Pb-free)
Tape and reel
SN74AVC16T245ZQLR
WF245
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are
available at www.ti.com/sc/package.
DGG OR DGV PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
1DIR
1B1
1B2
GND
1B3
1B4
VCCB
1B5
1B6
GND
1B7
1B8
2B1
2B2
GND
2B3
2B4
VCCB
2B5
2B6
GND
2B7
2B8
2DIR
1OE
1A1
1A2
GND
1A3
1A4
VCCA
1A5
1A6
GND
1A7
1A8
2A1
2A2
GND
2A3
2A4
VCCA
2A5
2A6
GND
2A7
2A8
2OE
Copyright
2004, Texas Instruments Incorporated
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.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
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