ISL3332 Datasheet, PDF (9/26 Pages) Intersil Corporation – 3.3V, ±15kV ESD Protected, Two Port, Dua Protocol RS-232/RS-485 Transceivers

ISL3332, ISL3333
Electrical Specifications Test Conditions: V_CC = 3.15V to 3.45V, C1 - C4 = 0.1µF, V_L = V_CC (for QFN only); Unless Otherwise Specified.
Typicals are at V_CC = 3.3V, T_A =+25°C (Note 7) (Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
TEMP MIN
MAX
(°C) (Note 11) TYP (Note 11) UNITS
RS-232 DRIVER AND RECEIVER SWITCHING CHARACTERISTICS (SEL = GND, ALL VERSIONS AND SPEEDS)
Driver Output Transition Region
Slew Rate
SR R_L = 3kΩ, Measured From
3V to -3V or -3V to 3V
C_L ≥ 15pF
Full
C_L ≤ 2500pF Full
Driver Output Transition Time
t_r, t_f R_L = 3kΩ, C_L = 2500pF, 10% - 90%
Full
Driver Propagation Delay
t_DPHL R_L = 3kΩ, C_L = 1000pF (Figure 6)
Full
t_DPLH
Full
Driver Propagation Delay Skew
t_DSKEW t_DPHL - t_DPLH (Figure 6)
Full
Driver Enable Time (QFN Only)
t_DEN C_L = 1000pF
25
Driver Disable Time (QFN Only)
t_DDIS R_L = 5kΩ, Measured at V_OUT = ±3V,
25
C_L = 30pF
Driver Enable Time from Shutdown t_DENSD V_OUT = ±3.0V, C_L = 1000pF
25
Driver Maximum Data Rate
DR_D R_L = 3kΩ, C_L = 500pF, One Transmitter
Full
Switching on Each Port
-
4
0.22
-
-
-
-
-
-
250
20
9
1.2
1
1.2
300
1500
500
25
400
30
V/µs
-
V/µs
3.1
µs
2
µs
2
µs
450
ns
-
ns
-
ns
-
µs
-
kbps
Receiver Propagation Delay
Receiver Propagation Delay Skew
Receiver Maximum Data Rate
Receiver Enable to Output Low
Receiver Enable to Output High
Receiver Disable from Output Low
Receiver Disable from Output High
Receiver Enable from Shutdown to
Output Low
t_RPHL
t_RPLH
t_RSKEW
DR_R
t_ZL
t_ZH
t_LZ
t_HZ
t_ZLSHDN
C_L = 15pF (Figure 7)
t_RPHL - t_RPLH (Figure 7)
C_L = 15pF
QFN Only, C_L = 15pF, SW = V_CC
QFN Only, C_L = 15pF, SW = GND
QFN Only, C_L = 15pF, SW = V_CC
QFN Only, C_L = 15pF, SW = GND
C_L = 15pF, SW = V_CC
Full
-
40
120
ns
Full
-
58
120
ns
Full
-
18
40
ns
Full
0.46
2
-
Mbps
Full
-
18
-
ns
Full
-
18
-
ns
Full
-
22
-
ns
Full
-
22
-
ns
25
-
60
-
ns
Receiver Enable from Shutdown to t_ZHSHDN C_L = 15pF, SW = GND
Output High
25
-
20
-
ns
RS-485 DRIVER SWITCHING CHARACTERISTICS (FAST DATA RATE (20Mbps), SEL = V_CC, ALL VERSIONS (SPA = V_CC if QFN))
Driver Differential Input to Output t_DLH, t_DHL R_DIFF = 54Ω, C_L = 100pF (Figure 2)
Delay
Full
10
20
35
ns
Driver Output Skew
t_SKEW R_DIFF = 54Ω, C_L = 100pF (Figure 2)
Full
-
Driver Differential Rise or Fall Time t_R, t_F R_DIFF = 54Ω, C_L = 100pF, (Figure 2)
Full
3
Driver Enable to Output Low
t_ZL
C_L = 100pF, SW = V_CC (Figure 3)
Full
-
Driver Enable to Output High
t_ZH C_L = 100pF, SW = GND (Figure 3)
Full
-
Driver Disable from Output Low
t_LZ
C_L = 15pF, SW = V_CC (Figure 3)
Full
-
Driver Disable from Output High
t_HZ C_L = 15pF, SW = GND (Figure 3)
Full
-
Driver Enable from Shutdown to t_ZL(SHDN) R_L = 500Ω, C_L = 100pF, SW = V_CC (Figure 3) Full
-
Output Low
2
10
ns
20
30
ns
28
60
ns
35
60
ns
30
60
ns
30
60
ns
100
250
ns
Driver Enable from Shutdown to t_ZH(SHDN) R_L = 500Ω, C_L = 100pF, SW = GND (Figure 3) Full
-
Output High
290
375
ns
Driver Maximum Data Rate
f_MAX R_DIFF = 54Ω, C_L = 100pF (Figure 2)
Full
20
35
-
RS-485 DRIVER SWITCHING CHARACTERISTICS (MEDIUM DATA RATE (460kbps, QFN ONLY), SEL = V_CC, SPA = SPB= GND)
Driver Differential Input to Output t_DLH, t_DHL R_DIFF = 54Ω, C_L = 100pF (Figure 2)
Delay
Full
200
500
1000
Mbps
ns
Driver Output Skew
Driver Differential Rise or Fall Time
Driver Enable to Output Low
t_SKEW
t_R, t_F
t_ZL
R_DIFF = 54Ω, C_L = 100pF (Figure 2)
R_DIFF = 54Ω, C_L = 100pF (Figure 2)
C_L = 100pF, SW = V_CC (Figure 3)
Full
-
Full
300
Full
-
10
150
ns
660
1100
ns
42
100
ns
9
FN6362.0
May 27, 2008