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參數(shù)資料
| 型號： | SN65C3223E_07 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVERS/RECEIVERS WITH 【15-kV ESD PROTECTION |
| 中文描述： | 3 - V至5.5 V的多通道的RS - 232線驅(qū)動器/接收機與【15 - kV ESD保護 |
| 文件頁數(shù)： | 1/20頁 |
| 文件大小： | 290K |
| 代理商： | SN65C3223E_07 |
www.ti.com
FEATURES
ESD Protection for RS-232 Bus Pins
–
±
15-kV Human-Body Model (HBM)
–
±
8-kV IEC 61000-4-2, Contact Discharge
–
±
15-kV IEC 61000-4-2, Air-Gap Discharge
Meet or Exceed the Requirements of
TIA/EIA-232-F and ITU v.28 Standards
Operate With 3-V to 5.5-V V
CC
Supply
Operate up to 1000 kbit/s
Two Drivers and Two Receivers
Low Standby Current . . . 1
μ
A Typ
External Capacitors . . . 4
×
0.1
μ
F
Accepts 5-V Logic Input With 3.3-V Supply
APPLICATIONS
Battery-Powered Systems
PDAs
Notebooks
Laptops
Palmtop PCs
Hand-Held Equipment
DESCRIPTION/ORDERING
INFORMATION
The SN65C3223E and SN75C3223E consist of two
line
drivers,
two
line
charge-pump circuit with
±
15-kV ESD protection pin
to pin (serial-port connection pins, including GND).
These
devices
meet
TIA/EIA-232-F and provide the electrical interface
between an asynchronous communication controller
and the serial-port connector. The charge pump and
four small external capacitors allow operation from a
single 3-V to 5.5-V supply. The devices operate at
typical data signaling rates up to 1000 kbit/s.
DB, DW, OR PW PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
EN
C1+
V+
C1
C2+
C2
V
DOUT2
RIN2
ROUT2
FORCEOFF
V
CC
GND
DOUT1
RIN1
ROUT1
FORCEON
DIN1
DIN2
INVALID
NC No internal connection
RHL PACKAGE
(TOP VIEW)
1
24
12
R
13
I
2
3
4
5
6
7
8
9
10
11
23
22
21
20
19
18
17
16
15
14
V
CC
NC
GND
DOUT1
RIN1
ROUT1
FORCEON
DIN1
NC
DIN2
C1+
NC
V+
C1–
C2+
C2–
V–
DOUT2
NC
RIN2
F
E
Flexible control options for power management are available when the serial port is inactive. The
auto-powerdown feature functions when FORCEON is low and FORCEOFF is high. During this mode of
operation, if the devices do not sense a valid RS-232 signal, the driver outputs are disabled. If FORCEOFF is
set low and EN is high, both drivers and receivers are shut off, and the supply current is reduced to 1 mA.
Disconnecting the serial port or turning off the peripheral drivers causes auto-powerdown to occur.
Auto-powerdown can be disabled when FORCEON and FORCEOFF are high. With auto-powerdown enabled,
the devices are activated automatically when a valid signal is applied to any receiver input. The INVALID output
is used to notify the user if an RS-232 signal is present at any receiver input. INVALID is high (valid data) if any
receiver input voltage is greater than 2.7 V or less than –2.7 V, or has been between –0.3 V and 0.3 V for less
than 30
μ
s. INVALID is low (invalid data) if the receiver input voltage is between –0.3 V and 0.3 V for more than
30
μ
s. Refer to Figure 4 for receiver input levels.
SN65C3223E
,
SN75C3223E
3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVERS/RECEIVERS
WITH
±
15-kV ESD PROTECTION
SLLS727A–MAY 2006–REVISED JULY 2006
receivers,
and
a
dual
the
requirements
of
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright 2006, Texas Instruments Incorporated
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| SN65C3223EDB | 功能描述:RS-232接口集成電路 3V To 5.5V MultiCh RS-232 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 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| SN65C3223EDBG4 | 功能描述:RS-232接口集成電路 3V To 5.5V MultiCh RS-232 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 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| SN65C3223EDBR | 功能描述:RS-232接口集成電路 3V To 5.5V MultiCh RS-232 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 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| SN65C3223EDBRG4 | 功能描述:RS-232接口集成電路 3V To 5.5V MultiCh RS-232 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 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| SN65C3223EDW | 功能描述:RS-232接口集成電路 3V To 5.5V MultiCh RS-232 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 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
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