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參數(shù)資料
| 型號： | ICL3227E |
| 廠商： | Intersil Corporation |
| 英文描述： | +-15kV ESD Protected, +3V to +5.5V, 1Microamp, 1Mbps, RS-232 Transceivers with Enhanced Automatic Powerdown |
| 中文描述： | - 15kV的ESD保護，3V至5.5V，1Microamp，1Mbps的，RS - 232接口的增強型自動掉電收發(fā)器 |
| 文件頁數(shù)： | 12/19頁 |
| 文件大?。?/td> | 383K |
| 代理商： | ICL3227E |
12
an RS-232 load at 1Mbps. The static transmitters were also
loaded with an RS-232 receiver.
Interconnection with 3V and 5V Logic
The ICL32XXE directly interfaces 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.
±
15kV ESD Protection
All pins on ICL32XX devices include ESD protection
structures, but the ICL32XXE
family incorporates advanced
structures which allow the RS-232 pins (transmitter outputs
and receiver inputs) to survive ESD events up to
±
15kV. The
RS-232 pins are particularly vulnerable to ESD damage
because they typically connect to an exposed port on the
exterior of the finished product. Simply touching the port
pins, or connecting a cable, can cause an ESD event that
might destroy unprotected ICs. These new ESD structures
protect the device whether or not it is powered up, protect
without allowing any latchup mechanism to activate, and
don’t interfere with RS-232 signals as large as
±
25V.
FIGURE 12. TRANSMITTER LOOPBACK TEST CIRCUIT
FIGURE 13. LOOPBACK TEST AT 250kbps (C
L
= 1000pF)
ICL32XXE
V
CC
C
1
C
2
C
4
+
C
3
+
+
+
C
L
V+
V-
5k
T
IN
R
OUT
C1+
C1-
C2+
C2-
R
IN
T
OUT
+
V
CC
0.1
μ
F
V
CC
FORCEOFF
FORCEON
T1
IN
T1
OUT
R1
OUT
2
μ
s/DIV.
V
CC
= +3.3V
C1 - C4 = 0.1
μ
F
5V/DIV.
FIGURE 14. LOOPBACK TEST AT 1Mbps (C
L
= 250pF)
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.
T1
IN
T1
OUT
R1
OUT
0.5
μ
s/DIV.
5V/DIV.
V
CC
= +3.3V
C1 - C4 = 0.1
μ
F
ICL3225E, ICL3227E, ICL3245E
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| ICL3227ECA | 功能描述:RS-232接口集成電路 3-5.5V TXRX ESD RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| ICL3227ECA-T | 功能描述:IC 1DRVR/1RCVR RS232 3V 16-SSOP RoHS:否 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 類型:收發(fā)器 驅(qū)動器/接收器數(shù):2/2 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:16-SOIC 包裝:帶卷 (TR) |
| ICL3227ECAZA | 功能描述:RS-232接口集成電路 W/ANNEAL RS232 3V 1D /1R 15KV 1MBPS E-DWN RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| ICL3227ECAZA-T | 功能描述:RS-232接口集成電路 W/ANNEAL RS232 3V 1D /1R 15KV 1MBPS E-DWN RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| ICL3227EIA | 功能描述:RS-232接口集成電路 3-5.5V TXRX ESD RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
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