ST1480ACDR datasheet(7/22 Pages) STMICROELECTRONICS

7 / 22 page

ST1480A

Electrical characteristics

7/22

Table 9.

Receiver electrical characteristics

VCC = 3V to 3.6V, TA = -40 to 85°C, unless otherwise specified. Typical values are referred

to Ta = 25°C)

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

VTH

Receiver differential

threshold voltage

VCM = -7V to 12V, DE = 0

-0.2

-0.015

∆V

Receiver input hysteresis

VCM = 0V

VOH

Receiver output high

voltage

IOUT = -4mA, VID = 200mV, (Figure 8.)2

VOL

Receiver output low

voltage

IOUT = 4mA, VID = -200mV, (Figure 3.)0.4

IOZR

3-State (high impedance)

output current at receiver

VCC = 3.6V, VO = 0V to VCC

± 1

µA

RRIN

Receiver input resistance

VCM = -7V to 12V

Ω

IOSR

Receiver short-circuit

current

VRO = 0V to VCC

760

Table 10.

Driver switching characteristics

VCC = 3V to 3.6V, TA = -40 to 85°C, unless otherwise specified. Typical values are referred

to Ta = 25°C)

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

Maximum data rate

Mbps

tDD

Differential output delay

RL= 60Ω, CL = 15pF, (Figure 4. and

Figure 5.)

tTD

Differential output

transition time

RL= 60Ω, CL = 15pF, (Figure 4. and

Figure 5.)

tPLH

tPHL

Propagation delay

RL= 27Ω, CL = 15pF, (Figure 8. and

Figure 9.)

tPDS

|tPLH - tPHL| Propagation

delay skew (Note 2)

RL= 27Ω, CL = 15pF, (Figure 8. and

Figure 9.)

tPZL

Output enable time

RL= 110Ω, (Figure 10. and Figure 11.)19

tPZH

Output enable time

RL= 110Ω, (Figure 6. and Figure 7.)30

tPHZ

Output disable time

RL= 110Ω, (Figure 6. and Figure 7.)19

tPLZ

Output disable time

RL= 110Ω, (Figure 10. and Figure 11.)30

tSKEW

Differential output delay

skew

tZH(SHDN)

Driver enable from

shutdown to output high

tZL(SHDN)

Driver enable from

shutdown to output low

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