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ISL32450E Datasheet, PDF (8/21 Pages) Intersil Corporation – ±60V Fault Protected, 3.3V to 5V, ±20V Common Mode Range, RS-485/RS-422 Transceivers with Cable Invert and ±15kV ESD
ISL32450E, ISL32452E, ISL32453E, ISL32455E, ISL32457E
Electrical Specifications Test Conditions: VCC = 3V to 3.6V and 4.5V to 5.5V, unless otherwise specified. Typicals are at the worst case of
VCC = 5V or VCC = 3.3V, TA = +25°C (Note 9). Boldface limits apply over the operating temperature range, -40°C to +85°C. (Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
TEMP
MIN
MAX
(°C) (Note 17) TYP (Note 17) UNITS
Driver Enable to Output Low
tZL
SW = VCC (Figure 5), (Note 12)
Full
-
-
1600
ns
Driver Disable from Output Low
tLZ
SW = VCC (Figure 5)
Full
-
-
300
ns
Driver Disable from Output High
tHZ
SW = GND (Figure 5)
Full
-
-
300
ns
Time to Shutdown
tSHDN (Notes 14, 19)
Full
60
160
600
ns
Driver Enable from Shutdown to
tZH(SHDN) SW = GND (Figure 5), (Notes 14, 15, 19)
Full
-
Output High
-
3000
ns
Driver Enable from Shutdown to
tZL(SHDN) SW = VCC (Figure 5), (Notes 14, 15, 19)
Full
-
Output Low
-
3000
ns
DRIVER SWITCHING CHARACTERISTICS (1Mbps VERSIONS; ISL32453E, ISL32455E)
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 RD = 54Ω, CD = 50pF (Figure 4)
tSKEW RD = 54Ω, CD = 50pF (Figure 4)
tR, tF RD = 54Ω, CD = 50pF (Figure 4)
fMAX CD = 820pF (Figure 6)
tZH
SW = GND (Figure 5), (Note 12)
tZL
SW = VCC (Figure 5), (Note 12)
tLZ
SW = VCC (Figure 5)
tHZ
SW = GND (Figure 5)
tSHDN (Note 14)
tZH(SHDN) SW = GND (Figure 5), (Notes 14, 15)
Full
-
70
200
ns
Full
-
4
25
ns
Full
50
130
300
ns
Full
1
-
-
Mbps
Full
-
-
300
ns
Full
-
-
300
ns
Full
-
-
300
ns
Full
-
-
300
ns
Full
60
160
600
ns
Full
-
-
3000
ns
Driver Enable from Shutdown to
Output Low
tZL(SHDN) SW = VCC (Figure 5), (Notes 14, 15)
Full
-
-
3000
ns
RECEIVER SWITCHING CHARACTERISTICS (250kbps VERSIONS; ISL32450E, ISL32452E, ISL32457E)
Maximum Data Rate
Receiver Input to Output Delay
Receiver Skew |tPLH - tPHL|
Receiver Enable to Output Low
fMAX (Figure 7)
Full
250
-
-
kbps
tPLH, tPHL (Figure 7)
Full
-
240
325
ns
tSKD (Figure 7)
Full
-
6
25
ns
tZL
RL = 1kΩ, CL = 15pF, SW = VCC (Figure 8),
Full
-
(Notes 13, 19)
-
80
ns
Receiver Enable to Output High
tZH
RL = 1kΩ, CL = 15pF, SW = GND (Figure 8),
Full
-
(Notes 13, 19)
-
80
ns
Receiver Disable from Output Low
tLZ
RL = 1kΩ, CL = 15pF, SW = VCC (Figure 8),
Full
-
(Note 19)
-
80
ns
Receiver Disable from Output High
tHZ
RL = 1kΩ, CL = 15pF, SW = GND (Figure 8),
Full
-
(Note 19)
-
80
ns
Time to Shutdown
tSHDN (Notes 14, 19)
Full
60
160
600
ns
Receiver Enable from Shutdown to tZH(SHDN) RL = 1kΩ, CL = 15pF, SW = GND (Figure 8), Full
-
Output High
(Notes 14, 16, 19)
-
2500
ns
Receiver Enable from Shutdown to tZL(SHDN) RL = 1kΩ, CL = 15pF, SW = VCC (Figure 8),
Full
-
Output Low
(Notes 14, 16, 19)
-
2500
ns
RECEIVER SWITCHING CHARACTERISTICS (1Mbps VERSIONS; ISL32453E, ISL32455E)
Maximum Data Rate
Receiver Input to Output Delay
fMAX (Figure 7)
tPLH, tPHL (Figure 7)
Full
1
-
-
Mbps
Full
-
115
200
ns
8
FN7921.0
February 20, 2012