ISL32478E Ver la hoja de datos (PDF) - Renesas Electronics

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componentes Descripción

Fabricante

ISL32478E

Fault Protected, Extended Common-Mode Range, RS-485/RS-422 Transceivers with ±16.5kV ESD

Renesas Electronics 

ISL32470E, ISL32472E, ISL32475E, ISL32478E

Electrical Specifications Test Conditions: VCC = 4.5V to 5.5V; unless otherwise specified. Typical values are VCC = 5V, TA = +25°C

(Note 8). Boldface limits apply over the operating temperature range, -40°C to +85°C. (Continued)

PARAMETER

SYMBOL

TEST CONDITIONS

TEMP

MIN

MAX

(°C) (Note 16) TYP (Note 16) UNIT

Maximum Data Rate

Driver Enable to Output High

Driver Enable to Output Low

Driver Disable from Output Low

Driver Disable from Output High

Time to Shutdown

Driver Enable from Shutdown to

Output High

fMAX CD = 820pF (Figure 8)

tZH

SW = GND (Figure 7), (Note 11)

tZL

SW = VCC (Figure 7), (Note 11)

tLZ

SW = VCC (Figure 7)

tHZ

SW = GND (Figure 7)

tSHDN (Note 13)

tZH(SHDN) SW = GND (Figure 7), (Notes 13, 14)

Full

0.25

1.5

-

Mbps

Full

-

-

1200

ns

Full

-

-

1200

ns

Full

-

-

120

ns

Full

-

-

120

ns

Full

60

160

600

ns

Full

-

-

2500

ns

Driver Enable from Shutdown to

Output Low

tZL(SHDN) SW = VCC (Figure 7), (Notes 13, 14)

Full

-

-

2500

ns

DRIVER SWITCHING CHARACTERISTICS (1Mbps Versions; ISL32475E)

Driver Differential Output Delay

Driver Differential Output Skew

Driver Differential Rise or Fall Time

Maximum Data Rate

Driver Enable to Output High

Driver Enable to Output Low

Driver Disable from Output Low

Driver Disable from Output High

Time to Shutdown

Driver Enable from Shutdown to

Output High

tPLH, tPHL

tSKEW

tR, tF

fMAX

tZH

tZL

tLZ

tHZ

tSHDN

tZH(SHDN)

RD = 54Ω, CD = 50pF (Figure 6)

RD = 54Ω, CD = 50pF (Figure 6)

RD = 54Ω, CD = 50pF (Figure 6)

CD = 820pF (Figure 8)

SW = GND (Figure 7), (Note 11)

SW = VCC (Figure 7), (Note 11)

SW = VCC (Figure 7)

SW = GND (Figure 7)

(Note 13)

SW = GND (Figure 7), (Notes 13, 14)

Full

-

70

125

ns

Full

-

4.5

15

ns

Full

70

170

300

ns

Full

1

4

-

Mbps

Full

-

-

350

ns

Full

-

-

300

ns

Full

-

-

120

ns

Full

-

-

120

ns

Full

60

160

600

ns

Full

-

-

2000

ns

Driver Enable from Shutdown to

Output Low

tZL(SHDN) SW = VCC (Figure 7), (Notes 13, 14)

Full

-

-

2000

ns

DRIVER SWITCHING CHARACTERISTICS (15Mbps Versions; ISL32478E)

Driver Differential Output Delay

Driver Differential Output Skew

Driver Differential Rise or Fall Time

Maximum Data Rate

Driver Enable to Output High

Driver Enable to Output Low

Driver Disable from Output Low

Driver Disable from Output High

Time to Shutdown

Driver Enable from Shutdown to

Output High

tPLH, tPHL

tSKEW

tR, tF

fMAX

tZH

tZL

tLZ

tHZ

tSHDN

tZH(SHDN)

RD = 54Ω, CD = 50pF (Figure 6)

RD = 54Ω, CD = 50pF (Figure 6)

RD = 54Ω, CD = 50pF (Figure 6)

CD = 470pF (Figure 8)

SW = GND (Figure 7), (Note 11)

SW = VCC (Figure 7), (Note 11)

SW = VCC (Figure 7)

SW = GND (Figure 7)

(Note 13)

SW = GND (Figure 7), (Notes 13, 14)

Full

-

21

45

ns

Full

-

3

6

ns

Full

5

17

30

ns

Full

15

25

-

Mbps

Full

-

-

100

ns

Full

-

-

100

ns

Full

-

-

120

ns

Full

-

-

120

ns

Full

60

160

600

ns

Full

-

-

2000

ns

Driver Enable from Shutdown to

Output Low

tZL(SHDN) SW = VCC (Figure 7), (Notes 13, 14)

Full

-

-

2000

ns

FN7784 Rev 2.00

Feb 14, 2019

Page 7 of 21

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