ICL3221CAZ View Datasheet(PDF) - Intersil
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ICL3221CAZ Datasheet PDF : 28 Pages
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ICL3221, ICL3222, ICL3223, ICL3232, ICL3241, ICL3243
Interconnection with 3V and 5V Logic
The ICL32XX directly interface with 5V CMOS and TTL logic
families. Nevertheless, with the ICL32XX at 3.3V, and the
logic supply at 5V, AC, HC, and CD4000 outputs can drive
ICL32XX inputs, but ICL32XX outputs do not reach the
minimum VIH for these logic families. See Table 4 for more
information.
TABLE 4. LOGIC FAMILY COMPATIBILITY WITH VARIOUS
SUPPLY VOLTAGES
SYSTEM
POWER-SUPPLY
VOLTAGE
(V)
VCC
SUPPLY
VOLTAGE
(V)
COMPATIBILITY
3.3
3.3 Compatible with all CMOS
families.
5
5
Compatible with all TTL and
CMOS logic families.
5
3.3 Compatible with ACT and HCT
CMOS, and with TTL. ICL32XX
outputs are incompatible with AC,
HC, and CD4000 CMOS inputs.
Typical Performance Curves VCC = 3.3V, TA = 25°C
6
VOUT+
4
2
1 TRANSMITTER AT 250kbps
1 OR 2 TRANSMITTERS AT 30kbps
0
-2
-4
VOUT -
-6
0
1000
2000
3000
4000
5000
LOAD CAPACITANCE (pF)
FIGURE 13. TRANSMITTER OUTPUT VOLTAGE vs LOAD
CAPACITANCE
25
20
15
-SLEW
+SLEW
10
5
0
1000
2000
3000
4000
5000
LOAD CAPACITANCE (pF)
FIGURE 14. SLEW RATE vs LOAD CAPACITANCE
45
ICL3221
40
35
250kbps
30
25
20
120kbps
15
10
20kbps
5
0
0
1000
2000
3000
4000
LOAD CAPACITANCE (pF)
5000
FIGURE 15. SUPPLY CURRENT vs LOAD CAPACITANCE
WHEN TRANSMITTING DATA
45
ICL3222 - ICL3232
40
35
250kbps
30
25
120kbps
20
15
20kbps
10
5
0
0
1000
2000
3000
4000
LOAD CAPACITANCE (pF)
5000
FIGURE 16. SUPPLY CURRENT vs LOAD CAPACITANCE
WHEN TRANSMITTING DATA
15
FN4805.21
March 1, 2006
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