ISL32470E datasheet(7/19 Pages) INTERSIL

No de pièce	ISL32470E

Description	Fault Protected, Extended Common Mode Range, RS-485/RS-422 Transceivers

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Fabricant	INTERSIL [Intersil Corporation]

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ISL32470E, ISL32472E, ISL32475E, ISL32478E

7

FN7784.0

January 21, 2011

Maximum Data Rate

fMAX

CD = 820pF (Figure 6)

Full

0.25

1.5

-

Mbps

Driver Enable to Output High

tZH

SW = GND (Figure 5), (Note 9)

Full

-

1200

ns

Driver Enable to Output Low

tZL

SW = VCC (Figure 5), (Note 9)

Full

-

1200

ns

Driver Disable from Output Low

tLZ

SW = VCC (Figure 5)

Full

-

120

ns

Driver Disable from Output High

tHZ

SW = GND (Figure 5)

Full

-

120

ns

Time to Shutdown

tSHDN

(Note 11)

Full

60

160

600

ns

Driver Enable from Shutdown to

Output High

tZH(SHDN) SW = GND (Figure 5), (Notes 11, 12)

Full

-

2500

ns

Driver Enable from Shutdown to

Output Low

tZL(SHDN) SW = VCC (Figure 5), (Notes 11, 12)

Full

-

2500

ns

DRIVER SWITCHING CHARACTERISTICS (1Mbps Versions; ISL32475E)

Driver Differential Output Delay

tPLH, tPHL RD = 54Ω, CD = 50pF (Figure 4)

Full

-

70

125

ns

Driver Differential Output Skew

tSKEW

RD = 54Ω, CD = 50pF (Figure 4)

Full

-

4.5

15

ns

Driver Differential Rise or Fall Time

tR, tF

RD = 54Ω, CD = 50pF (Figure 4)

Full

70

170

300

ns

Maximum Data Rate

fMAX

CD = 820pF (Figure 6)

Full

1

4-

Mbps

Driver Enable to Output High

tZH

SW = GND (Figure 5), (Note 9)

Full

-

350

ns

Driver Enable to Output Low

tZL

SW = VCC (Figure 5), (Note 9)

Full

-

300

ns

Driver Disable from Output Low

tLZ

SW = VCC (Figure 5)

Full

-

120

ns

Driver Disable from Output High

tHZ

SW = GND (Figure 5)

Full

-

120

ns

Time to Shutdown

tSHDN

(Note 11)

Full

60

160

600

ns

Driver Enable from Shutdown to

Output High

tZH(SHDN) SW = GND (Figure 5), (Notes 11, 12)

Full

-

2000

ns

Driver Enable from Shutdown to

Output Low

tZL(SHDN) SW = VCC (Figure 5), (Notes 11, 12)

Full

-

2000

ns

DRIVER SWITCHING CHARACTERISTICS (15Mbps Versions; ISL32478E)

Driver Differential Output Delay

tPLH, tPHL RD = 54Ω, CD = 50pF (Figure 4)

Full

-

21

45

ns

Driver Differential Output Skew

tSKEW

RD = 54Ω, CD = 50pF (Figure 4)

Full

-

3

6

ns

Driver Differential Rise or Fall Time

tR, tF

RD = 54Ω, CD = 50pF (Figure 4)

Full

5

17

30

ns

Maximum Data Rate

fMAX

CD = 470pF (Figure 6)

Full

15

25

-

Mbps

Driver Enable to Output High

tZH

SW = GND (Figure 5), (Note 9)

Full

-

100

ns

Driver Enable to Output Low

tZL

SW = VCC (Figure 5), (Note 9)

Full

-

100

ns

Driver Disable from Output Low

tLZ

SW = VCC (Figure 5)

Full

-

120

ns

Driver Disable from Output High

tHZ

SW = GND (Figure 5)

Full

-

120

ns

Time to Shutdown

tSHDN

(Note 11)

Full

60

160

600

ns

Driver Enable from Shutdown to

Output High

tZH(SHDN) SW = GND (Figure 5), (Notes 11, 12)

Full

-

2000

ns

Driver Enable from Shutdown to

Output Low

tZL(SHDN) SW = VCC (Figure 5), (Notes 11, 12)

Full

-

2000

ns

Electrical Specifications Test Conditions: VCC = 4.5V to 5.5V; Unless Otherwise Specified. Typicals are VCC = 5V, TA = +25°C

(Note 6). Boldface limits apply over the operating temperature range, -40°C to +85°C. (Continued)

PARAMETER

SYMBOL

TEST CONDITIONS

TEMP

(°C)

MIN

(Note 14)

TYP

MAX

(Note 14)

UNITS

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