ICL3238 查看數據表（PDF） - Intersil
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ICL3238 Datasheet PDF : 18 Pages
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ICL3224, ICL3226, ICL3238, ICL3244
Electrical Specifications Test Conditions: VCC = 3V to 5.5V, C1 - C4 = 0.1µF (ICL3238: C1 - C4 = 0.22µF @ VCC = 3V); Unless
Otherwise Specified. Typicals are at TA = 25°C (Continued)
PARAMETER
TEST CONDITIONS
TEMP
(°C) MIN
TYP
MAX UNITS
MOUSE DRIVEABILITY (ICL3244 Only)
Transmitter Output Voltage
T1IN = T2IN = GND, T3IN = VCC, T3OUT Loaded with 3kΩ to Full
±5
-
(See Figure 11)
GND, T1OUT and T2OUT Loaded with 2.5mA Each
-
V
ENHANCED AUTOMATIC POWERDOWN (FORCEON = GND, FORCEOFF = VCC)
Receiver Input Thresholds to
INVALID High
See Figure 6
Full
-2.7
-
2.7
V
Receiver Input Thresholds to
INVALID Low
See Figure 6
Full
-0.3
-
0.3
V
INVALID, READY Output Voltage IOUT = 1.6mA
Low
Full
-
-
0.4
V
INVALID, READY Output Voltage IOUT = -1.0mA
High
Full VCC-0.6
-
-
V
Receiver Positive or Negative
Threshold to INVALID High Delay
(tINVH)
Receiver Positive or Negative
Threshold to INVALID Low Delay
(tINVL)
Receiver or Transmitter Edge to
Transmitters Enabled Delay (tWU)
ICL3238
All Others
ICL3238
All Others
ICL3238, Note 5
All Others, Note 5
25
-
0.1
-
µs
25
-
1
-
µs
25
-
50
-
µs
25
-
30
-
µs
25
-
25
-
µs
25
-
100
-
µs
Receiver or Transmitter Edge to
Transmitters Disabled Delay
(tAUTOPWDN)
TIMING CHARACTERISTICS
Note 5
Full
15
30
60
sec
Maximum Data Rate
Receiver Propagation Delay
Receiver Output Enable Time
RL = 3kΩ, CL = 1000pF, One Transmitter Switching
Receiver Input to Receiver
Output, CL = 150pF
tPHL
tPLH
Normal Operation (ICL3238/44 Only)
Full
250
500
25
-
0.15
25
-
0.15
25
-
200
-
kbps
-
µs
-
µs
-
ns
Receiver Output Disable Time Normal Operation (ICL3238/44 Only)
25
-
200
-
ns
Transmitter Skew
tPHL - tPLH
25
-
100
-
ns
Receiver Skew
tPHL - tPLH
25
-
50
-
ns
Transition Region Slew Rate
VCC = 3.3V,
CL = 150pF to 1000pF
25
6
RL = 3kΩ to 7kΩ,
Measured From 3V to -3V or -3V
CL = 150pF to 2500pF
25
4
to 3V
-
30
V/µs
8
30
V/µs
ESD PERFORMANCE
RS-232 Pins (TOUT, RIN)
Human Body Model
IEC61000-4-2 Contact Discharge
25
-
±15
-
kV
25
-
±8
-
kV
IEC61000-4-2 Air Gap Discharge
25
-
±10
-
kV
All Other Pins
Human Body Model
25
-
±2.5
-
kV
NOTE:
4. An “edge” is defined as a transition through the transmitter or receiver input thresholds.
7
FN4876.10
March 1, 2006
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