XR33032 datasheet(7/19 Pages) EXAR

7 / 19 page

XR33032/35/38

REV. 1.0.0

WIDE SUPPLY 18V TOLERANT RS-485/RS-422 TRANSCEIVERS

DRIVER AC CHARACTERISTICS

XR33038 (10Mbps)

tDPLH

Driver Prop. Delay (Low to High)

CL = 50pF, RL = 54,

Figure 6

tDPHL

Driver Prop. Delay (High to Low)

DPLH-tDPHL|

Differential Driver Output Skew

tDR, tDF

Driver Differential Output



Rise or Fall Time

Maximum Data Rate

Mbps

1/tUI, Duty Cycle 40 to 60%

tDZH

Driver Enable to Output High

CL = 50pF, RL = 500,

Figure 7

tDZL

Driver Enable to Output Low

tDHZ

Driver Disable from Output High

tDLZ

Driver Disable from Output Low

tDZH(SHDN)

Driver Enable from Shutdown to



Output High

250

CL = 50pF, RL = 500,

Figure 7

tDZL(SHDN)

Driver Enable from Shutdown to



Output Low

250

tSHDN

Time to Shutdown

200

600

Notes 3

RECEIVER AC CHARACTERISTICS

XR33038 (10Mbps)

tRPLH

Receiver Prop. Delay (Low to High)

CL = 15pF, VID = ±2V,

VID Rise and Fall times < 15ns

Figure 8

tRPHL

Receiver Prop. Delay (High to Low)

RPLH-tRPHL|

Receiver Propagation Delay Skew

Maximum Data Rate

Mbps

1/tUI, Duty Cycle 40 to 60%

tRZH

Receiver Enable to Output High

CL = 15pF, RL = 1k,

Figure 9

tRZL

Receiver Enable to Output Low

tRHZ

Receiver Disable from Output High

tRLZ

Receiver Disable from Output Low

tRZH(SHDN)

Receiver Enable from Shutdown



to Output High

2200

CL = 15pF, RL = 1k,

Figure 9

tRZL(SHDN)

Receiver Enable from Shutdown



to Output Low

2200

tSHDN

Time to Shutdown

200

600

Notes 3

Unless otherwise noted: VCC = +2.8V to +5.5V, TA = -40C to +85C. Typical values are at VCC = 3.3V, TA = +25°C.

SYMBOL

PARAMETERS

MIN.TYP.MAX.UNITS

CONDITIONS

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