SP510CM datasheet(6/37 Pages) EXAR

6 / 37 page

SP510

ULTRA HIGH SPEED MULTIPROTOCOL TRANSCEIVER

REV. 1.0.0

TABLE 2: AC TIMING CHARACTERISTICS

TIMING CHARACTERISTICS

VCC = +4.75 to 5.25V, C1-C4 = 1µF; TAMB = TMIN to TMAX, unless noted. Typical values are at TAMB = +25°C.

PARAMETERS

SYMBOL

TEST CONDITIONS

MIN.

TYP

MAX

UNIT

V.28 / RS-232

Maximum Transmission Rate

Fig. 7

250

kbps

Driver Propagation Delay

tDPHL,

tDPLH

0.5

µs

Transition Time

+3V to -3V, -3V to +3V per

Fig. 7

0.2

1.5

µs

Instantaneous Slew Rate

+3V to -3V, -3V to +3V per

Fig. 4

µs

Driver Skew

| t

DPHL - tDPLH| at zero

crossing

100

800

Driver Channel to Channel Skew

Driver Output Enable Time

Tri-state to output Low

tZL

CL = 100 pF, Fig. 34 and 40,

S1 closed

2.0

µs

Driver Output Enable Time

Tri-state to output High

tZH

CL = 100 pF, Fig. 34 and 40,

S2 closed

2.0

µs

Driver Output Disable Time

Output Low to Tri-state

tLZ

CL = 15 pF, Fig. 34 and 40,

S1 closed

2.0

µs

Driver Output Disable Time

Output High to Tri-state

tHZ

CL = 15 pF, Fig. 34 and 40,

S2 closed

µs

Receiver Propagation Delay

tPHL, tPLH

R_IN to R_OUT, CL = 15 pF

100

500

Receiver Skew

| t

PHL - tPLH| at 1.5V

Receiver Output Rise / Fall Time

tR, tF

CL = 15 pF

Receiver Output Enable Time

Tri-state to output Low

tZL

CL = 100 pF, Fig. 35 and 40,

S1 closed

2.0

µs

Receiver Output Enable Time

Tri-state to output High

tZH

CL = 100 pF, Fig. 35 and 40,

S2 closed

2.0

µs

Receiver Output Disable Time

Output Low to Tri-state

tLZ

CL = 15 pF, Fig. 35 and 40,

S1 closed

2.0

µs

Receiver Output Disable Time

Output High to Tri-state

tHZ

CL = 15 pF, Fig. 35 and 40,

S2 closed

2.0

µs

Charge Pump Rise Time

Shutdown to normal opera-

tion

V.10 / RS-423

Maximum Transmission Rate

250

kbps

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