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SN74AVCH8T245

更新时间： 2024-11-18 22:33:11
品牌 Logo 应用领域
德州仪器 - TI 总线收发器输出元件
页数 文件大小 规格书
19页 458K
描述
8-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VILTAGE TRANSLATION AND 3-STATE OUTPUTS

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SN74AVCH8T245 数据手册

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SCES565F − APRIL 2004 − REVISED APRIL 2005  
D
D
Control Inputs V /V Levels Are  
D
Max Data Rates:  
− 170 Mbps (1.2 V 3 (V  
− 320 Mbps (1.8 V 3 (V  
IH IL  
Referenced to V  
Voltage  
or V  
or V  
) 3 3.3 V)  
) 3 3.3 V)  
CCA  
CCA  
CCA  
CCB  
CCB  
V
Isolation Feature − If Either V  
Input  
CC  
CC  
Is at GND, All I/O Ports Are in the  
High-Impedance State  
D
Bus Hold on Data Inputs Eliminates the  
Need for External Pullup/Pulldown  
Resistors  
D
D
I
Supports Partial-Power-Down Mode  
off  
Operation  
D
D
Latch-Up Performance Exceeds 100 mA Per  
JESD 78, Class II  
Fully Configurable Dual-Rail Design Allows  
Each Port to Operate Over the Full 1.2-V to  
3.6-V Power-Supply Range  
ESD Protection Exceeds JESD 22  
− 8000-V Human-Body Model (A114-A)  
− 200-V Machine Model (A115-A)  
D
I/Os Are 4.6-V Tolerant  
− 1000-V Charged-Device Model (C101)  
DGV OR PW PACKAGE  
(TOP VIEW)  
RHL PACKAGE  
(TOP VIEW)  
1
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
V
V
V
CCA  
DIR  
CCB  
CCB  
2
1
24  
3
A1  
A2  
A3  
A4  
A5  
A6  
A7  
A8  
OE  
B1  
B2  
B3  
B4  
B5  
B6  
B7  
B8  
GND  
23  
22  
21  
20  
19  
18  
17  
16  
2
DIR  
A1  
A2  
A3  
A4  
A5  
A6  
A7  
V
CCB  
4
3
OE  
B1  
B2  
B3  
B4  
B5  
B6  
5
4
6
5
7
6
8
7
9
8
10  
11  
12  
9
GND  
GND  
A8  
GND  
15 B7  
14 B8  
10  
11  
12  
13  
description/ordering information  
This 8-bit noninverting bus transceiver uses two separate configurable power-supply rails. The  
SN74AVCH8T245 is optimized to operate with V  
as low as 1.2 V. The A port is designed to track V  
/V  
set at 1.4 V to 3.6 V. It is operational with V  
accepts any supply voltage from 1.2 V to 3.6 V. The  
/V  
CCA CCB  
CCA CCB  
. V  
CCA CCA  
B port is designed to track V  
. V  
accepts any supply voltage from 1.2 V to 3.6 V. This allows for universal  
CCB CCB  
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.  
ORDERING INFORMATION  
ORDERABLE  
PART NUMBER  
TOP-SIDE  
MARKING  
†
PACKAGE  
T
A
QFN − RHL  
Tape and reel SN74AVCH8T245RHLR  
Tube SN74AVCH8T245PW  
WP245  
−40°C to 85°C  
TSSOP − PW  
TVSOP − DGV  
WP245  
WP245  
Tape and reel SN74AVCH8T245PWR  
Tape and reel SN74AVCH8T245DGVR  
†
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.  
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Copyright 2005, Texas Instruments Incorporated  
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ꢢ ꢦ ꢣ ꢢꢛ ꢜꢰ ꢞꢝ ꢡ ꢩꢩ ꢧꢡ ꢟ ꢡ ꢠ ꢦ ꢢ ꢦ ꢟ ꢣ ꢫ  
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1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...19

中文翻译

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SN74AVCH8T245 替代型号

型号 品牌 替代类型 描述 数据表
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 8-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUT
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