Datasheet > SN65C3243DBE4

SN65C3243DBE4

更新时间： 2024-09-15 15:51:59

品牌	Logo	应用领域
德州仪器 - TI		驱动光电二极管接口集成电路驱动器
页数	文件大小	规格书
23页	938K
描述
TRIPLE LINE TRANSCEIVER, PDSO28, PLASTIC, SSOP-28

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SN65C3243DBE4 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
零件包装代码：	SSOP	包装说明：	SSOP,
针数：	28	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.09	Is Samacsys：	N
其他特性：	CAN ALSO OPERATE WITH A 5V SUPPLY	差分输出：	NO
驱动器位数：	3	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-G28	JESD-609代码：	e4
长度：	10.2 mm	湿度敏感等级：	1
功能数量：	3	端子数量：	28
最高工作温度：	85 °C	最低工作温度：	-40 °C
封装主体材料：	PLASTIC/EPOXY	封装代码：	SSOP
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE, SHRINK PITCH
峰值回流温度（摄氏度）：	260	认证状态：	Not Qualified
接收器位数：	5	座面最大高度：	2 mm
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	端子面层：	NICKEL PALLADIUM GOLD
端子形式：	GULL WING	端子节距：	0.65 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	NOT SPECIFIED
宽度：	5.3 mm	Base Number Matches：	1

SN65C3243DBE4 数据手册

SN65C3243, SN75C3243

www.ti.com ................................................................................................................................................. SLLS353H–JUNE 1999–REVISED SEPTEMBER 2008

3-V TO 5.5-V MULTICHANNEL RS-232 COMPATIBLE LINE DRIVER/RECEIVER

FEATURES

DB, DW, OR PW PACKAGE

•

Operates With 3-V to 5.5-V V_CCSupply

(TOP VIEW)

•

Always-Active Noninverting Receiver Output

(ROUT2B)

C2+

C2−

V−

C1+

27 V+

•

Low Standby Current . . . 1 µA Typ

26 V_CC

25 GND

24 C1−

External Capacitors . . . 4 × 0.1 µF

RIN1

RIN2

RIN3

RIN4

RIN5

DOUT1

DOUT2

DOUT3

DIN3

DIN2

DIN1

Accepts 5-V Logic Input With 3.3-V Supply

Inter-Operable With SN65C3238, SN75C3238

FORCEON

FORCEOFF

INVALID

ROUT2B

ROUT1

Supports Operation From 250 kbit/s to

1 Mbit/s

•

RS-232 Bus-Pin ESD Protection Exceeds

±15 kV Using Human-Body Model (HBM)

ROUT2

ROUT3

Latch-Up Performance Exceeds 100 mA Per

JESD 78, Class II

ROUT4

ROUT5

APPLICATIONS

•

Battery-Powered Systems

PDAs

Notebooks

Laptops

Palmtop PCs

Hand-Held Equipment

DESCRIPTION/ORDERING INFORMATION

The SN65C3243 and SN75C3243 consist of three line drivers, five line receivers, and a dual charge-pump circuit

with ±15-kV ESD protection pin to pin (serial-port connection pins, including GND). This device provides 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. In addition, this device

includes an always-active noninverting output (ROUT2B), which allows applications using the ring indicator to

transmit data while the device is powered down. The device operates at data signaling rates up to 1 Mbit/s and

an increased slew-rate range 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 device does not sense a valid RS-232 signal, the driver outputs are disabled. If FORCEOFF is

set low, both drivers and receivers (except ROUT2B) 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 and should be done when driving

a serial mouse. With auto-powerdown enabled, the device is activated automatically when a valid signal is

applied to any receiver input. The INVALID output is used to notify the user if an RS-232 signal is present at any

receiver input. INVALID is high (valid data) if any 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 all receiver input

voltages are between –0.3 V and 0.3 V for more than 30 µs. Refer to Figure 5 for receiver input levels.

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 the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...23

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与SN65C3243DBE4相关器件

型号	品牌	获取价格	描述	数据表
SN65C3243DBR	TI	获取价格	3V TO 5.5V MULTICHANNEL COMPATIBLE RS232 LINE DRIVERS/RECEIVERS
SN65C3243DBRE4	TI	获取价格	3-V TO 5.5-V MULTICHANNEL RS-232 COMPATIBLE LINE DRIVER/RECEIVER
SN65C3243DW	TI	获取价格	3V TO 5.5V MULTICHANNEL COMPATIBLE RS232 LINE DRIVERS/RECEIVERS
SN65C3243DWE4	TI	获取价格	3-V TO 5.5-V MULTICHANNEL RS-232 COMPATIBLE LINE DRIVER/RECEIVER
SN65C3243DWG4	TI	获取价格	3-V To 5.5-V Multichannel RS-232 Line Driver/Receiver 28-SOIC -40 to 85
SN65C3243DWR	TI	获取价格	3V TO 5.5V MULTICHANNEL COMPATIBLE RS232 LINE DRIVERS/RECEIVERS
SN65C3243DWRE4	TI	获取价格	3-V TO 5.5-V MULTICHANNEL RS-232 COMPATIBLE LINE DRIVER/RECEIVER
SN65C3243DWRG4	TI	获取价格	TRIPLE LINE TRANSCEIVER, PDSO28, GREEN, PLASTIC, SOIC-28
SN65C3243PW	TI	获取价格	3V TO 5.5V MULTICHANNEL COMPATIBLE RS232 LINE DRIVERS/RECEIVERS
SN65C3243PWE4	TI	获取价格	3-V TO 5.5-V MULTICHANNEL RS-232 COMPATIBLE LINE DRIVER/RECEIVER

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