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SN65C3222DB PDF预览

SN65C3222DB

更新时间： 2024-11-18 04:51:19
品牌 Logo 应用领域
德州仪器 - TI 驱动器
页数 文件大小 规格书
14页 260K
描述
3-V TO 5.5-V MULTICHANNEL RS-232 COMPATIBLE LINE DRIVER/RECEIVER

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SN65C3222DB 数据手册

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SLLS534B − MAY 2002 − REVISED OCTOBER 2004  
DB, DW, OR PW PACKAGE  
(TOP VIEW)  
D
Operates With 3-V to 5.5-V V  
Operates Up To 1 Mbit/s  
Supply  
CC  
D
D
D
D
D
Low Standby Current . . . 1 µA Typ  
External Capacitors . . . 4 × 0.1 µF  
EN  
C1+  
V+  
PWRDOWN  
1
2
3
4
5
6
7
8
9
10  
20  
19  
V
CC  
18 GND  
Accepts 5-V Logic Input With 3.3-V Supply  
17  
16  
15  
14  
13  
12  
11  
C1−  
C2+  
C2−  
V−  
DOUT1  
RIN1  
ROUT1  
NC  
DIN1  
DIN2  
NC  
RS-232 Bus-Pin ESD Protection Exceeds  
15 kV Using Human-Body Model (HBM)  
D
Applications  
− Battery-Powered Systems, PDAs,  
Notebooks, Laptops, Palmtop PCs, and  
Hand-Held Equipment  
DOUT2  
RIN2  
ROUT2  
NC − No internal connection  
description/ordering information  
The SN65C3222 and SN75C3222 consist of two line drivers, two line receivers, and a dual charge-pump circuit  
with 15-kV ESD protection pin to pin (serial-port connection pins, including GND). The devices provide the  
electrical interface between an asynchronous communication controller and the serial-port connector. The  
charge pump and four small external capacitors allow operation from a single 3-V to 5.5-V supply. The devices  
operate at data signaling rates up to 1 Mbit/s and a driver output slew rate of 24 V/µs to 150 V/µs.  
The SN65C3222 and SN75C3222 can be placed in the power-down mode by setting PWRDOWN low, which  
draws only 1 µA from the power supply. When the devices are powered down, the receivers remain active while  
the drivers are placed in the high-impedance state. Also, during power down, the onboard charge pump is  
disabled, V+ is lowered to V , and V− is raised toward GND. Receiver outputs also can be placed in the  
CC  
high-impedance state by setting EN high.  
ORDERING INFORMATION  
ORDERABLE  
PART NUMBER  
TOP-SIDE  
MARKING  
†
T
A
PACKAGE  
Tube of 25  
SN75C3222DW  
SOIC (DW)  
SSOP (DB)  
75C3222  
Reel of 2000  
Reel of 2000  
Tube of 70  
SN75C3222DWR  
SN75C3222DBR  
SN75C3222PW  
SN75C3222PWR  
SN65C3222DW  
SN65C3222DWR  
SN65C3222DBR  
SN65C3222PW  
SN65C3222PWR  
CA3222  
CA3222  
−0°C to 70°C  
−40°C to 85°C  
TSSOP (PW)  
Reel of 2000  
Tube of 25  
SOIC (DW)  
SSOP (DB)  
65C3222  
CB3222  
Reel of 2000  
Reel of 2000  
Tube of 70  
TSSOP (PW)  
CB3222  
Reel of 2000  
†
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 2004, Texas Instruments Incorporated  
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1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...14

中文翻译

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