ST3243B_11 datasheet(9/17 Pages) STMICROELECTRONICS

부품명	ST3243B

상세설명	3 to 5.5 V, 400 kbps, RS-232 transceiver with auto-power-down

PDF	17 Pages

Scroll/Zoom	100%

제조업체	STMICROELECTRONICS [STMicroelectronics]

홈페이지	http://www.st.com

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9 / 17 page

ST3243B ST3243C

Electrical characteristics

Doc ID 7539 Rev 10

9/17

C1 - C4 = 0.1 µF, VCC = 3 V to 5.5 V, TA = -40 to 85 °C, unless otherwise specified. Typical

values are referred to TA = 25 °C.

Table 10.

Timing characteristics

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

Maximum data rate

RL = 3 kΩ, CL= 1000 pF

one transmitter switching

250

400

kbps

tPHL

tPLH

Receiver propagation delay RIN to ROUT, CL = 150 pF

0.15

µs

tT_SKEW Transmitter skew

100

tR_SKEW Receiver skew

tINVH

Receiver positive or

negative threshold to

INVALID HIGH

1µs

tINVL

Receiver positive or

negative threshold to

INVALID LOW

µs

SRT

Transition slew rate

TA = 25 °C, RL = 3 kΩ to 7 kΩ, VCC = 3.3 V

measured from +3 V to -3 V or -3 V to +3 V

CL = 150 pF to 1000 pF

CL = 150 pF to 2500 pF

V/µs

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