參數(shù)資料
型號(hào): ICL3222
廠商: Intersil Corporation
英文描述: One Microamp Supply-Current, +3V to +5.5V, 250kbps, RS-232 Transmitters/Receivers(1微安電源電流, +3V至+5.5V, 250kbps, RS-232收發(fā)器)
中文描述: 1微安電源電流,3V至5.5V,250kbps的和RS - 232發(fā)送器/接收器(1微安電源電流,采用3V至5.5V的,250kbps的,RS - 232接口收發(fā)器)
文件頁數(shù): 15/28頁
文件大小: 657K
代理商: ICL3222
15
FN4805.21
March 1, 2006
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 V
IH
for these logic families. See Table 4 for more
information.
TABLE 4. LOGIC FAMILY COMPATIBILITY WITH VARIOUS
SUPPLY VOLTAGES
SYSTEM
POWER-SUPPLY
VOLTAGE
(V)
V
CC
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
FIGURE 13. TRANSMITTER OUTPUT VOLTAGE vs LOAD
CAPACITANCE
FIGURE 14. SLEW RATE vs LOAD CAPACITANCE
FIGURE 15. SUPPLY CURRENT vs LOAD CAPACITANCE
WHEN TRANSMITTING DATA
FIGURE 16. SUPPLY CURRENT vs LOAD CAPACITANCE
WHEN TRANSMITTING DATA
-6
-4
-2
0
2
4
6
1000
2000
3000
4000
5000
0
LOAD CAPACITANCE (pF)
T
1 TRANSMITTER AT 250kbps
1 OR 2 TRANSMITTERS AT 30kbps
V
OUT
+
V
OUT
-
LOAD CAPACITANCE (pF)
S
μ
s
0
1000
2000
3000
4000
5000
5
10
15
20
25
+SLEW
-SLEW
0
5
10
15
20
25
30
45
35
40
0
1000
2000
3000
4000
5000
LOAD CAPACITANCE (pF)
S
20kbps
250kbps
120kbps
ICL3221
0
5
10
15
20
25
30
45
35
40
0
1000
2000
3000
4000
5000
LOAD CAPACITANCE (pF)
S
20kbps
250kbps
120kbps
ICL3222 - ICL3232
ICL3221, ICL3222, ICL3223, ICL3232, ICL3241, ICL3243
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