ISL3331IRZ datasheet(9/25 Pages) INTERSIL

Part #	ISL3331IRZ

Description	3.3V, 짹15kV ESD Protected, Dual Protocol RS-232/RS-485 Transceivers

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Manufacturer	INTERSIL [Intersil Corporation]

Direct Link	http://www.intersil.com/cda/home

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9 / 25 page

9

FN6361.0

May 20, 2008

RS-232 DRIVER and RECEIVER SWITCHING CHARACTERISTICS (485/232 = 0V, ALL VERSIONS AND SPEEDS)

Driver Output Transition Region

Slew Rate

SR

RL =3kΩ, Measured From 3V

to -3V or -3V to 3V

CL ≥ 15pF

Full

-

20

30

V/µs

CL ≤ 2500pF

Full

4

12

-

V/µs

Driver Output Transition Time

tr, tf

RL =3kΩ, CL = 2500pF, 10% to 90%

Full

0.22

1.2

3.1

µs

Driver Propagation Delay

tDPHL

RL =3kΩ, CL = 1000pF (Figure 6)

Full

-

1

2

µs

tDPLH

Full

-

1.2

2

µs

Driver Propagation Delay Skew

tDSKEW tDPHL - tDPLH (Figure 6)

Full

-

300

450

ns

Driver Enable Time

tDEN

25

-

1200

-

ns

Driver Disable Time

tDDIS

RL =5kΩ, Measured at VOUT = ±3V

25

-

500

-

ns

Driver Enable Time from Shutdown

tDENSD

VOUT = ±3.0V (Note 14)

25

-

25

-

µs

Driver Maximum Data Rate

DRD

RL =3kΩ, CL = 1000pF, One Transmitter

Switching

Full

250

400

-

kbps

Receiver Propagation Delay

tRPHL

CL = 15pF (Figure 7)

Full

-

40

120

ns

tRPLH

Full

-

60

120

ns

Receiver Propagation Delay Skew

tRSKEW tRPHL - tRPLH (Figure 7)

Full

-

20

40

ns

Receiver Maximum Data Rate

DRR

CL = 15pF

Full

0.46

2

-

Mbps

Receiver Enable to Output Low

tZL

CL = 15pF, SW = VCC (Figure 5)

Full

-

18

-

ns

Receiver Enable to Output High

tZH

CL = 15pF, SW = GND (Figure 5)

Full

-

18

-

ns

Receiver Disable from Output Low

tLZ

CL = 15pF, SW = VCC (Figure 5)

Full

-

22

-

ns

Receiver Disable from Output High

tHZ

CL = 15pF, SW = GND (Figure 5)

Full

-

22

-

ns

Receiver Enable from Shutdown to

Output Low

tZLSHDN CL = 15pF, SW = VCC (Figure 5, Note 14)25

-

60

-

ns

Receiver Enable from Shutdown to

Output High

tZHSHDN CL = 15pF, SW = GND (Figure 5, Note 14)25

-

20

-

ns

RS-485 DRIVER SWITCHING CHARACTERISTICS (FAST DATA RATE (20Mbps), 485/232 = VCC, SLEW = VCC, ALL VERSIONS)

Driver Differential Input to Output

Delay

tDLH, tDHL RDIFF = 54Ω, CL = 100pF (Figure 2)

Full

10

20

35

ns

Driver Output Skew

tSKEW

RDIFF = 54Ω, CL = 100pF (Figure 2)

Full

-

2

10

ns

Driver Differential Rise or Fall Time

tR, tF

RDIFF = 54Ω, CL = 100pF (Figure 2)

Full

3

20

30

ns

Driver Enable to Output Low

tZL

CL = 100pF, SW = VCC (Figure 3)

Full

-

28

60

ns

Driver Enable to Output High

tZH

CL = 100pF, SW = GND (Figure 3)

Full

-

39

60

ns

Driver Disable from Output Low

tLZ

CL = 15pF, SW = VCC (Figure 3)

Full

-

30

60

ns

Driver Disable from Output High

tHZ

CL = 15pF, SW = GND (Figure 3)

Full

-

25

60

ns

Driver Enable from Shutdown to

Output Low

tZL(SHDN) RL = 500Ω, CL = 100pF, SW = VCC

(Figure 3, Note

14)

Full

-

100

250

ns

Driver Enable from Shutdown to

Output High

tZH(SHDN) RL = 500Ω, CL = 100pF, SW = GND

(Figure 3, Note

14)

Full

-

290

375

ns

Driver Maximum Data Rate

fMAX

RDIFF = 54Ω, CL = 100pF (Figure 2)

Full

20

35

-

Mbps

RS-485 DRIVER SWITCHING CHARACTERISTICS (MEDIUM DATA RATE (460kbps), 485/232 = VCC, SLEW = 0V, SPB (QFN Only) = VCC, ALL

VERSIONS)

Driver Differential Input to Output

Delay

tDLH, tDHL RDIFF = 54Ω, CL = 100pF (Figure 2)

Full

200

500

1000

ns

Driver Output Skew

tSKEW

RDIFF = 54Ω, CL = 100pF (Figure 2)

Full

-

10

150

ns

Driver Differential Rise or Fall Time

tR, tF

RDIFF = 54Ω, CL = 100pF (Figure 2)

Full

300

660

1100

ns

Electrical Specifications

Test Conditions: VCC = 3.15V to 3.45V, C1 to C4 = 0.1µF, VL = VCC (for QFN only), Unless Otherwise Specified.

Typicals are at VCC = 3.3V, TA = +25°C (Note 9) (Continued)

PARAMETER

SYMBOL

TEST CONDITIONS

TEMP

(°C)

MIN

(Note 15)

TYP

MAX

(Note 15) UNITS

ISL3330, ISL3331

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