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ISL8488E Datasheet(PDF) 5 Page - Intersil Corporation

Part No. ISL8488E
Description  -15kV ESD Protected, 5V, Low Power, High Speed and Slew Rate Limited, Full Duplex, RS-485/RS-422 Transceivers
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Maker  INTERSIL [Intersil Corporation]
Homepage  http://www.intersil.com/cda/home
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ISL8488E Datasheet(HTML) 5 Page - Intersil Corporation

 
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5
FN6073.3
SWITCHING CHARACTERISTICS (ISL8488E, ISL8489E)
Driver Input to Output Delay
tPLH, tPHL RDIFF = 54Ω, CL = 100pF (Figure 2)
Full
250
400
2000
ns
Driver Output Skew
tSKEW
RDIFF = 54Ω, CL = 100pF (Figure 2)
Full
-
160
800
ns
Driver Differential Rise or Fall Time
tR, tF
RDIFF = 54Ω, CL = 100pF (Figure 2)
Full
250
600
2000
ns
Driver Enable to Output High
tZH
CL = 100pF, SW = GND (Figure 3, Note 6)
Full
250
1000
2000
ns
Driver Enable to Output Low
tZL
CL = 100pF, SW = VCC (Figure 3, Note 6)
Full
250
860
2000
ns
Driver Disable from Output High
tHZ
CL = 15pF, SW = GND (Figure 3, Note 6)
Full
300
660
3000
ns
Driver Disable from Output Low
tLZ
CL = 15pF, SW = VCC (Figure 3, Note 6)
Full
300
640
3000
ns
Receiver Input to Output Delay
tPLH, tPHL (Figure 4)
Full
250
500
2000
ns
Receiver Skew | tPLH - tPHL |tSKD
(Figure 4)
25
-
60
-
ns
Receiver Enable to Output High
tZH
CL = 15pF, SW = GND (Figure 5, Note 6)
Full
-
10
50
ns
Receiver Enable to Output Low
tZL
CL = 15pF, SW = VCC (Figure 5, Note 6)
Full
-
10
50
ns
Receiver Disable from Output High
tHZ
CL = 15pF, SW = GND (Figure 5, Note 6)
Full
-
10
50
ns
Receiver Disable from Output Low
tLZ
CL = 15pF, SW = VCC (Figure 5, Note 6)
Full
-
10
50
ns
Maximum Data Rate
fMAX
Full
250
-
-
kbps
SWITCHING CHARACTERISTICS (ISL8491E)
Driver Input to Output Delay
tPLH, tPHL RDIFF = 54Ω, CL = 100pF (Figure 2)
Full
13
24
50
ns
Driver Output Skew
tSKEW
RDIFF = 54Ω, CL = 100pF (Figure 2)
Full
-
3
10
ns
Driver Differential Rise or Fall Time
tR, tF
RDIFF = 54Ω, CL = 100pF (Figure 2)
Full
5
12
25
ns
Driver Enable to Output High
tZH
CL = 100pF, SW = GND (Figure 3)
Full
-
14
70
ns
Driver Enable to Output Low
tZL
CL = 100pF, SW = VCC (Figure 3)
Full
-
14
70
ns
Driver Disable from Output High
tHZ
CL = 15pF, SW = GND (Figure 3)
Full
-
44
70
ns
Driver Disable from Output Low
tLZ
CL = 15pF, SW = VCC (Figure 3)
Full
-
21
70
ns
Receiver Input to Output Delay
tPLH, tPHL (Figure 4)
Full
30
90
150
ns
Receiver Skew | tPLH - tPHL |tSKD
(Figure 4)
25
-
5
-
ns
Receiver Enable to Output High
tZH
CL = 15pF, SW = GND (Figure 5)
Full
-
9
50
ns
Receiver Enable to Output Low
tZL
CL = 15pF, SW = VCC (Figure 5)
Full
-
9
50
ns
Receiver Disable from Output High
tHZ
CL = 15pF, SW = GND (Figure 5)
Full
-
9
50
ns
Receiver Disable from Output Low
tLZ
CL = 15pF, SW = VCC (Figure 5)
Full
-
9
50
ns
Maximum Data Rate
fMAX
Full
10
-
-
Mbps
ESD PERFORMANCE
RS-485 Pins (A, B, Y, Z)
Human Body Model
25
-
±15
-
kV
All Other Pins
25
-
>
±7-
kV
NOTES:
2. 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.
3. Supply current specification is valid for loaded drivers when DE = 0V.
4. Applies to peak current. See “Typical Performance Curves” for more information.
5. Devices meeting these limits are denoted as “single unit load (1 UL)” transceivers. The RS-485 standard allows up to 32 Unit Loads on the bus.
6. Not applicable to the ISL8488E.
Electrical Specifications
Test Conditions: VCC = 4.5V to 5.5V; Unless Otherwise Specified. Typicals are at VCC = 5V, TA = 25°C,
Note 2 (Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
TEMP
(°C)
MIN
TYP
MAX
UNITS
ISL8488E, ISL8489E, ISL8491E


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