UTRS485L-S08-R datasheet(5/8 Pages) UTC

5 / 8 page

UTRS485

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

5 of 8

www.unisonic.com.tw

QW-R113-011.G



SWITCHING CHARACTERISTICS

(VCC=+5.0V ±5%, TA=TMIN to TMAX, unless otherwise noted.) (Note 1, 2)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP MAX

UNIT

tDPLH

200

Driver Input to Output

tDPHL

Fig.3 and 5, RDIFF=54Ω, CL1=CL2=100pF

200

Driver Output Skew to Output

tDSKEW Fig.3 and 5, RDIFF=54Ω, CL1=CL2=100pF

Driver Rise or Fall Time

tDR, tDF Fig.3 and 5, RDIFF=54Ω, CL1=CL2=100pF

150

Driver Enable to Output High

tDZH

Fig.4 and 6, CL=100pF, S2 Closed

200

Driver Enable to Output Low

tDZL

Fig.4 and 6, CL=100pF, S1 Closed

200

Driver Disable Time from Low

tDLZ

Fig.4 and 6, CL=15pF, S1 Closed

200

Driver Disable Time from High

tDHZ

Fig.4 and 6, CL=15pF, S2 Closed

200

Receiver Input to Output

tRPLH,

tRPHL

Fig.3 and 7, RDIFF=54Ω, CL1=CL2=100pF

500

|tPLH - tPHL| Differential

Receiver Skew

tRSKD

Fig.3 and 7, RDIFF=54Ω, CL1=CL2=100pF

100

Receiver Enable to Output Low

tRZL

Fig.2 and 8, CRL=15pF, S1 Closed

200

Receiver Enable to Output High

tRZH

Fig.2 and 8, CRL=15pF, S2 Closed

200

Receiver Disable Time from Low

tRLZ

Fig.2 and 8, CRL=15pF, S1 Closed

200

Receiver Disable Time from

High

tRHZ

Fig.2 and 8, CRL=15pF, S2 Closed

200

Maximum Data Rate

fMAX

500

kbps

Notes: 1. All currents into the device are positive; all currents out of the device are negative. All voltages are

referenced to device ground unless otherwise specified.

2. All typical specifications are given for VCC=5.0V and TA=+25°C

3. Supply current specification is valid for loaded transmitters when DE=0V

4. Applies to peak current

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