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ISL3332 Datasheet, PDF (10/26 Pages) Intersil Corporation – 3.3V, ±15kV ESD Protected, Two Port, Dua Protocol RS-232/RS-485 Transceivers
ISL3332, ISL3333
Electrical Specifications Test Conditions: VCC = 3.15V to 3.45V, C1 - C4 = 0.1µF, VL = VCC (for QFN only); Unless Otherwise Specified.
Typicals are at VCC = 3.3V, TA =+25°C (Note 7) (Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
TEMP MIN
MAX
(°C) (Note 11) TYP (Note 11) UNITS
Driver Enable to Output High
tZH CL = 100pF, SW = GND (Figure 3)
Full
-
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 tZL(SHDN) RL = 500Ω, CL = 100pF, SW = VCC (Figure 3) Full
-
Output Low
350
450
ns
30
60
ns
30
60
ns
-
500
ns
Driver Enable from Shutdown to tZH(SHDN) RL = 500Ω, CL = 100pF, SW = GND (Figure 3) Full
-
Output High
-
750
ns
Driver Maximum Data Rate
fMAX RDIFF = 54Ω, CL = 100pF (Figure 2)
Full
460
2000
-
kbps
RS-485 DRIVER SWITCHING CHARACTERISTICS (SLOW DATA RATE (115kbps, QFN ONLY), SEL = VCC, SPA = GND, SPB= VCC)
Driver Differential Input to Output tDLH, tDHL RDIFF = 54Ω, CL = 100pF (Figure2)
Delay
Full
800
1600 2500
ns
Driver Output Skew
tSKEW RDIFF = 54Ω, CL = 100pF (Figure2)
Full
-
250
500
ns
Driver Differential Rise or Fall Time tR, tF RDIFF = 54Ω, CL = 100pF (Figure 2)
Full 1000 1700 3100
ns
Driver Enable to Output Low
tZL
CL = 100pF, SW = VCC (Figure 3)
Full
-
45
100
ns
Driver Enable to Output High
tZH CL = 100pF, SW = GND (Figure 3)
Full
-
900
1200
ns
Driver Disable from Output Low
tLZ
CL = 15pF, SW = VCC (Figure 3)
Full
-
35
60
ns
Driver Disable from Output High
tHZ CL = 15pF, SW = GND (Figure 3)
Full
-
25
60
ns
Driver Enable from Shutdown to tZL(SHDN) RL = 500Ω, CL = 100pF, SW = VCC (Figure 3) Full
-
Output Low
-
800
ns
Driver Enable from Shutdown to tZH(SHDN) RL = 500Ω, CL = 100pF, SW = GND (Figure 3) Full
-
Output High
-
1500
ns
Driver Maximum Data Rate
fMAX RDIFF = 54Ω, CL = 100pF (Figure 2)
Full
115
800
-
kbps
RS-485 RECEIVER SWITCHING CHARACTERISTICS (SEL = VCC, ALL VERSIONS AND SPEEDS)
Receiver Input to Output Delay
tPLH, tPHL (Figure 4)
Full
20
45
70
ns
Receiver Skew | tPLH - tPHL |
tSKEW (Figure 4)
Full
-
3
10
ns
Receiver Maximum Data Rate
fMAX
Full
20
40
-
Mbps
Receiver Enable to Output Low
tZL
QFN Only, CL = 15pF, SW = VCC (Figure 5)
Full
-
20
60
ns
Receiver Enable to Output High
tZH QFN Only, CL = 15pF, SW = GND (Figure5) Full
-
20
60
ns
Receiver Disable from Output Low
tLZ
QFN Only, CL = 15pF, SW = VCC (Figure 5) Full
-
20
60
ns
Receiver Disable from Output High tHZ QFN Only, CL = 15pF, SW = GND (Figure 5) Full
-
20
60
ns
Receiver Enable from Shutdown to tZLSHDN CL = 15pF, SW = VCC (Figure 5)
Output Low
Full
-
500
900
ns
Receiver Enable from Shutdown to tZHSHDN CL = 15pF, SW = GND (Figure 5)
Output High
Full
-
500
900
ns
NOTES:
7. 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.
8. Supply current specification is valid for loaded drivers when DE = 0V (RS-485 mode) or DEN = 0V (RS-232 mode).
9. Applies to peak current. See “Typical Performance Curves” for more information.
10. 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.
11. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits established by
characterization and are not production tested.
10
FN6362.0
May 27, 2008