Datasheet > 驱动程序和接口 > 线路驱动器或接收器> SN65C3221DW

SN65C3221DW

更新时间： 2024-11-18 04:51:19

品牌	Logo	应用领域
德州仪器 - TI		线路驱动器或接收器驱动程序和接口接口集成电路光电二极管
页数	文件大小	规格书
16页	289K
描述
3-V TO 5.5-V SINGLE CHANNEL RS-232 COMPATIBLE LINE DRIVER/RECEIVER

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SN65C3221DW 技术参数

生命周期：	Obsolete	零件包装代码：	SOIC
包装说明：	SOP, SOP16,.4	针数：	16
Reach Compliance Code：	unknown	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.09
其他特性：	CAN ALSO OPERATE WITH A 5V SUPPLY	差分输出：	NO
驱动器位数：	1	高电平输入电流最大值：	0.000001 A
输入特性：	SCHMITT TRIGGER	接口集成电路类型：	LINE TRANSCEIVER
接口标准：	EIA-232	JESD-30 代码：	R-PDSO-G16
长度：	10.3 mm	功能数量：	1
端子数量：	16	最高工作温度：	85 °C
最低工作温度：	-40 °C	最小输出摆幅：	10 V
最大输出低电流：	0.0016 A	封装主体材料：	PLASTIC/EPOXY
封装代码：	SOP	封装等效代码：	SOP16,.4
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE
电源：	3.3/5 V	认证状态：	Not Qualified
最大接收延迟：		接收器位数：	1
座面最大高度：	2.65 mm	子类别：	Line Driver or Receivers
最大压摆率：	1 mA	最大供电电压：	3.6 V
最小供电电压：	3 V	标称供电电压：	3.3 V
表面贴装：	YES	温度等级：	INDUSTRIAL
端子形式：	GULL WING	端子节距：	1.27 mm
端子位置：	DUAL	宽度：	7.5 mm
Base Number Matches：	1

SN65C3221DW 数据手册

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SLLS351E − APRIL 2002 − REVISED OCTOBER 2004

DB OR PW PACKAGE

(TOP VIEW)

Operate With 3-V to 5.5-V V

Operate Up To 1 Mbit/s

Supply

Low Standby Current . . . 1 µA Typ

External Capacitors . . . 4 × 0.1 µF

C1+

V+

FORCEOFF

GND

Accepts 5-V Logic Input With 3.3-V Supply

C1−

C2+

C2−

V−

DOUT

FORCEON

DIN

RS-232 Bus-Pin ESD Protection Exceeds

15 kV Using Human-Body Model (HBM)

Auto-Powerdown Feature Automatically

Disables Drivers for Power Savings

INVALID

ROUT

RIN

Applications

− Battery-Powered, Hand-Held, and

Portable Equipment

− PDAs and Palmtop PCs

− Notebooks, Sub-Notebooks, and Laptops

− Digital Cameras

− Mobile Phones and Wireless Devices

description/ordering information

The SN65C3221 and SN75C3221 consist of one line driver, one line receiver, and a dual charge-pump circuit

with 15-kV ESD protection pin to pin (serial-port connection pins, including GND). These 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. These 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.

Flexible control options for power management are available when the serial port is inactive. The

auto-powerdown feature functions when FORCEON is low and FORCEOFF is high. During this mode of

operation, if the devices do not sense a valid RS-232 signal on the receiver input, the driver output is disabled.

If FORCEOFF is set low and EN is high, both the driver and receiver are shut off, and the supply current is

reduced to 1 µA. Disconnecting the serial port or turning off the peripheral drivers causes the auto-powerdown

condition to occur. Auto-powerdown can be disabled when FORCEON and FORCEOFF are high. With

auto-powerdown enabled, the device is activated automatically when a valid signal is applied to the receiver

input. The INVALID output notifies the user if an RS-232 signal is present at the receiver input. INVALID is high

(valid data) if the receiver input voltage is greater than 2.7 V or less than −2.7 V, or has been between −0.3 V

and 0.3 V for less than 30 µs. INVALID is low (invalid data) if the receiver input voltage is between −0.3 V and

0.3 V for more than 30 µs. Refer to Figure 5 for receiver input levels.

ORDERING INFORMATION

ORDERABLE

PART NUMBER

TOP-SIDE

MARKING

†

PACKAGE

SSOP (DB)

Reel of 2000

Tube of 90

SN75C3221DBR

SN75C3221PW

SN75C3221PWR

SN65C3221DBR

SN65C3221PW

SN65C3221PWR

CA3221

−0°C to 70°C

−40°C to 85°C

TSSOP (PW)

SSOP (DB)

CA3221

CB3221

Reel of 2000

Tube of 90

TSSOP (PW)

CB3221

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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POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

12 3 4 5 6 7...16

中文翻译

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与SN65C3221DW相关器件

型号	品牌	获取价格	描述	数据表
SN65C3221DWR	TI	获取价格	3-V TO 5.5-V SINGLE CHANNEL RS-232 COMPATIBLE LINE DRIVER/RECEIVER
SN65C3221E	TI	获取价格	3-V TO 5.5-V SINGLE-CHANNEL RS-232 1-Mbit/s L
SN65C3221EDB	TI	获取价格	3-V TO 5.5-V SINGLE-CHANNEL RS-232 1-Mbit/s L
SN65C3221EDBG4	TI	获取价格	LINE TRANSCEIVER, PDSO16, GREEN, PLASTIC, SSOP-16
SN65C3221EDBR	TI	获取价格	3-V TO 5.5-V SINGLE-CHANNEL RS-232 1-Mbit/s L
SN65C3221EDBRG4	TI	获取价格	3-V To 5.5-V Single Channel RS-232 1 Mbit/s Line Driver/Receiver 16-SSOP -40 to 85
SN65C3221EPW	TI	获取价格	3-V TO 5.5-V SINGLE-CHANNEL RS-232 1-Mbit/s L
SN65C3221EPWE4	TI	获取价格	3-V TO 5.5-V SINGLE-CHANNEL RS-232 1-Mbit/s L
SN65C3221EPWR	TI	获取价格	3-V TO 5.5-V SINGLE-CHANNEL RS-232 1-Mbit/s L
SN65C3221EPWRE4	TI	获取价格	3-V TO 5.5-V SINGLE-CHANNEL RS-232 1-Mbit/s L

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