UT3243G-R28-R datasheet(1/9 Pages) UTC

tên linh kiện	UT3243G-R28-R

Giải thích chi tiết về linh kiện	MULTICHANNAEL RS-232 LINE DRIVERS/RECEIVERS

PDF	9 Pages

Scroll/Zoom	100%

nhà sản xuất	UTC [Unisonic Technologies]

Trang chủ	http://www.utc-ic.com

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1 / 9 page

UNISONIC TECHNOLOGIES CO., LTD

UT3243

CMOS IC

www.unisonic.com.tw

1 of 9

QW-R502-573.F

+3.0V TO +5.5V POWER

SUPPLY, 235KBPS,

MULTICHANNAEL RS-232 LINE

DRIVERS/RECEIVERS



DESCRIPTION

The UTC UT3243 consists of 3 drivers and 5 receivers. It meets

ElA/TIA-232 and V.28/V.24 specifications, it intended for notebook

computer applications. A high-efficiency, dual charge-pumps power

supply and a low-dropout transmitter combine to deliver true RS-232

performance from a single +3.0V ~ +5.5V power supply. A

guaranteed data rate of 120kbps provides compatibility with popular

software for communicating with PCs.

The UTC UT3243 achieves 1µA supply current in shutdown condition. When the UT3243 doesn’t detect a valid

signal level on its receiver inputs, the on-board power supply and drivers will shutdown, and when a valid level is

applied to any RS-232 receiver input, then the system turns on again. Therefore, the system saves power without

changes to the existing BIOS or operating system.

The UTC UT3243 requires only 0.1µF capacitors in 3.3V operation, and can operate from input voltages ranging

from +3.0V ~ +5.5V. It is ideal for 3.3V-only systems, 5.0V-only systems, or mixed 3.3V and 5.0V systems that

require true RS-232 performance.

The UTC UT3243 includes one complementary always-active receiver that can monitor an external device (such

as a modem) in shutdown, without forward biasing the protection diodes in a UART that may have VCC completely

removed.



FEATURES

* Operates With 3.0V ~ 5.5V Power Supply

* Three Drivers and Five Receivers

* Operates Up To 235 kbps

* Designed to Transmit at a Data Rate of 235 kbps

* Low Standby Current (1uA Typical)

* External Capacitors (4*0.1µF)

* Accepts 5.0V Logic Input With 3.3V Supply

* Always-Active Non-inverting Receiver Output (R2OUTB)

* Serial-Mouse Drivability

* ESD(HBM) Protected ±8KV(MIN.)



ORDERING INFORMATION

Ordering Number

Package

Packing

Lead Free

Halogen Free

UT3243L-P28-T

UT3243G-P28-T

TSSOP-28

Tube

UT3243L-P28-R

UT3243G-P28-R

TSSOP-28

Tape Reel

UT3243L-R28-T

UT3243G-R28-T

SSOP-28

Tube

UT3243L-R28-R

UT3243G-R28-R

SSOP-28

Tape Reel

(1) R: Tape Reel

(2) P28: TSSOP-28, R28: SSOP-28

(3) L: Lead Free, G: Halogen Free

UT3243L-P28-R

(1)Packing Type

(2)Package Type

(3)Lead Free

Số phần tương tự - UT3243G-R28-R

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Unisonic Technologies	UT3243	272Kb / 9P	3.0V TO 5.5V POWER SUPPLY, 235KBPS, MULTICHANNAEL RS-232 LINE
	UT3243A	278Kb / 10P	DRIVERS/RECEIVERS
	UT3243AG-P28-R	278Kb / 10P	DRIVERS/RECEIVERS
	UT3243AG-Q32-5050-R	278Kb / 10P	DRIVERS/RECEIVERS
	UT3243AG-R28-R	278Kb / 10P	DRIVERS/RECEIVERS

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