ISL41334IRZ datasheet(10/28 Pages) INTERSIL

10 / 28 page

FN6202.3

November 21, 2007

Driver Maximum Data Rate

fMAX

RDIFF = 54Ω, CL = 100pF (Figure 2)

Full

2000

kbps

RS-485 DRIVER SWITCHING CHARACTERISTICS (SLOW DATA RATE (115kbps, QFN ONLY), SEL = VCC, SPA = GND, SPB = VCC)

Driver Differential Input to Output

Delay

tDLH,

tDHL

RDIFF = 54Ω, CL = 100pF (Figure 2)

Full

800

1500

2500

Driver Output Skew

tSKEW

RDIFF = 54Ω, CL = 100pF (Figure 2)

Full

350

1250

Driver Differential Rise or Fall Time

tR, tF

RDIFF = 54Ω, CL = 100pF (Figure 2)

Full

1000

2000

3100

Driver Enable to Output Low

tZL

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

Full

600

Driver Enable to Output High

tZH

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

Full

300

600

Driver Disable from Output Low

tLZ

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

Full

Driver Disable from Output High

tHZ

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

Full

Driver Enable from Shutdown to

Output Low

tZL(SHDN) RL = 500Ω, CL = 100pF, SW = VCC (Figure 3)

Full

800

Driver Enable from Shutdown to

Output High

tZH(SHDN) RL = 500Ω, CL = 100pF, SW = GND (Figure 3)

Full

420

800

Driver Maximum Data Rate

fMAX

RDIFF = 54Ω, CL = 100pF (Figure 2)

Full

800

kbps

RS-485 RECEIVER SWITCHING CHARACTERISTICS (SEL = VCC, ALL VERSIONS AND SPEEDS)

Receiver Input to Output Delay

tPLH, tPHL (Figure 4)

Full

Receiver Skew | tPLH - tPHL |tSKEW

(Figure 4)

Full

0.1

Receiver Maximum Data Rate

fMAX

Full

Mbps

RECEIVER ENABLE/DISABLE CHARACTERISTICS (ALL MODES AND SPEEDS)

Receiver Enable to Output Low

tZL

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

Full

Receiver Enable to Output High

tZH

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

Full

Receiver Disable from Output Low

tLZ

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

Full

Receiver Disable from Output High

tHZ

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

Full

Receiver Enable from Shutdown to

Output Low

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

RS-485 Mode

Full

260

700

RS-232 Mode

Receiver Enable from Shutdown to

Output High

tZHSHDN CL = 15pF, SW = GND (Figure 5) RS-485 Mode

Full

260

700

RS-232 Mode

NOTES:

6. All currents into device pins are positive; all currents out of device pins are negative. All voltages are referenced to device ground unless otherwise

specified.

7. Supply current specification is valid for loaded drivers when DE = 0V (RS-485 mode only).

8. Applies to peak current. See “Typical Performance Curves” starting on page 19 for more information.

9. RIN defaults to RS-485 mode (>15kΩ) when the device is unpowered (VCC = 0V), or in SHDN, regardless of the state of the SEL inputs.

10. VCC ≤ 5.25V.

11. Parts are 100% tested at +25°C. Over-temperature limits established by characterization and are not production tested.

Electrical Specifications

Test Conditions: VCC = 4.5V to 5.5V, C1 - C4 = 0.1µF, VL = VCC (for QFN only); Unless Otherwise Specified.

Typicals are at VCC = 5V, TA = +25°C (Note 6). (Continued)

PARAMETER

SYMBOL

TEST CONDITIONS

TEMP

(°C)

MIN

(Note 11)

TYP

MAX

(Note 11) UNITS

ISL81334, ISL41334

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