SP3232EBEN-L 데이터 시트보기 (PDF) - Exar Corporation

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SP3232EBEN-L

True +3.0V to +5.5V RS-232 Transceivers

Exar Corporation 

ELECTRICAL CHARACTERISTICS

Unless otherwise noted, the following specifications apply for VCC = +3.0V to +5.5V with TAMB = TMIN to TMAX,

C1 - C4 = 0.1µF. Typical values apply at VCC = +3.3V or +5.0V and TAMB = 25°C.

PARAMETER

MIN. TYP. MAX. UNITS CONDITIONS

DRIVER OUTPUTS (continued)

Output Resistance

Output Short-Circuit Current

Output Leakage Current

RECEIVER INPUTS

Input Voltage Range

Input Threshold LOW

Input Threshold LOW

Input Threshold HIGH

Input Threshold HIGH

Input Hysteresis

Input Resistance

TIMING CHARACTERISTICS

Maximum Data Rate

300

Ω VCC = V+ = V- = 0V, VOUT=+2V

+35 +60

mA VOUT = 0V

+25

µA VCC = 0V or 3.0V to 5.5V, VOUT =

+12V, Drivers disabled

-15

15

V

0.6

1.2

V Vcc = 3.3V

0.8

1.5

V Vcc = 5.0V

1.5 2.4

V Vcc = 3.3V

1.8 2.4

V Vcc = 5.0V

0.3

V

3

5

7

kΩ

250

kbps RL = 3kΩ, CL = 1000pF, one

driver active

Receiver Propagation Delay, tPHL

Receiver Propagation Delay, tPLH

Receiver Output Enable Time

Receiver Output Disable Time

Driver Skew

Receiver Skew

Transition-Region Slew Rate

0.15

µs Receiver input to Receiver

output, CL = 150pF

0.15

µs Receiver input to Receiver

output, CL = 150pF

200

ns

200

ns

100

ns

| tPHL - tPLH |, TAMB = 25°C

50

ns

| tPHL - tPLH |

30 V/µs Vcc = 3.3V, RL = 3kΩ,

CL = 1000pF, TAMB = 25°C,

measurements taken from -3.0V

to +3.0V or +3.0V to -3.0V

Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com

3

SP3222EB/SP3232EB_103_081414

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