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SN74AVC16T245_07

更新时间： 2024-09-15 05:17:39
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德州仪器 - TI 总线收发器输出元件
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16-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS

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SN74AVC16T245  
16-BIT DUAL-SUPPLY BUS TRANSCEIVER  
WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS  
www.ti.com  
SCES551C–FEBRUARY 2004–REVISED AUGUST 2005  
FEATURES  
DGG OR DGV PACKAGE  
•
Control Inputs VIH/VIL Levels Are Referenced  
(TOP VIEW)  
to VCCA Voltage  
1
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  
1OE  
1A1  
1A2  
GND  
1A3  
1A4  
•
VCC Isolation Feature – If Either VCC Input Is at  
GND, Both Ports Are in the High-Impedance  
State  
2
3
4
•
•
Overvoltage-Tolerant Inputs/Outputs Allow  
Mixed-Voltage-Mode Data Communications  
5
6
Fully Configurable Dual-Rail Design Allows  
Each Port to Operate Over the Full 1.2-V to  
3.6-V Power-Supply Range  
7
V
CCB  
V
CCA  
8
1B5  
1B6  
GND  
1B7  
1B8  
2B1  
2B2  
GND  
2B3  
2B4  
1A5  
1A6  
GND  
1A7  
1A8  
2A1  
2A2  
GND  
2A3  
2A4  
9
•
Ioff Supports Partial-Power-Down Mode  
Operation  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
•
•
I/Os Are 4.6-V Tolerant  
Latch-Up Performance Exceeds 100 mA Per  
JESD 78, Class II  
•
ESD Protection Exceeds JESD 22  
– 8000-V Human-Body Model (A114-A)  
– 200-V Machine Model (A115-A)  
V
CCB  
V
CCA  
– 1000-V Charged-Device Model (C101)  
2B5  
2B6  
GND  
2B7  
2B8  
2DIR  
2A5  
2A6  
GND  
2A7  
2A8  
2OE  
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  
effectively are isolated.  
The SN74AVC16T245 is designed so that the control pins (1DIR, 2DIR, 1OE, and 2OE) are supplied by VCCA  
.
ORDERING INFORMATION  
TA  
PACKAGE(1)  
ORDERABLE PART NUMBER  
SN74AVC16T245DGGR  
TOP-SIDE MARKING  
TSSOP – DGG  
Tape and reel  
AVC16T245  
WF245  
TVSOP – DGV  
Tape and reel  
Tape and reel  
SN74AVC16T245DGVR  
SN74AVC16T245GQLR  
SN74AVC16T245ZQLR  
–40°C to 85°C  
VFBGA – GQL  
WF245  
VFBGA – ZQL (Pb-free)  
(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 © 2004–2005, 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.  
1234567...21

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