SP3222EU Просмотр технического описания (PDF) - Signal Processing Technologies

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SP3222EU

3.3V, 1000 Kbps RS-232Transceivers

Signal Processing Technologies 

ELECTRICAL CHARACTERISTICS

Unless otherwise noted, the following specifications apply for VCC = +3.0V to +5.5V with TAMB = TMIN to TMAX , C1 to

C4=0.1µF. Typical Values apply at VCC = +3.3V or +5.5V and TAMB = 25oC.

PARAMETER

RECEIVER INPUTS

Input Voltage Range

Input Threshold LOW

Input Threshold HIGH

Input Hysteresis

Input Resistance

TIMING CHARACTERISTICS

Maximum Data Rate

Receiver Propagation Delay

Receiver Output Enable Time

Receiver Output Disable Time

Driver Skew

Receiver Skew

Transition-Region Slew Rate

MIN. TYP. MAX. UNITS

-25

+25

V

0.6

1.2

V

0.8

1.5

V

1.5 2.4

V

1.8 2.4

V

0.3

V

3

5

7

kΩ

1000

0.15

0.15

200

200

100

50

90

kbps

µs

ns

ns

ns

ns

V/µs

NOTE 2: Driver input hysteresis is typically 250mV.

CONDITIONS

VCC=3.3V

VCC=5.0V

VCC=3.3V

VCC=5.0V

RL=3kΩ, CL=250pF, one driver

switching

tPHL, RxIN to RxOUT, CL=150pF

tPLH, RxIN to RxOUT, CL=150pF

| tPHL - tPLH |, TAMB = 25°C

| tPHL - tPLH |

VCC = 3.3V, RL = 3KΩ, TAMB = 25°C,

measurements taken from -3.0V to

+3.0V or +3.0V to -3.0V

Date: 02/31/06

SP3222EU, SP3232EU 3.3V, 1000Kbps RS-232 Transceivers

3

© Copyright 2006 Sipex Corporation

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