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ICL3225CAZ

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P19
1
FN4878.9
ICL3225, ICL3245
1 Microamp, +3V to +5.5V, 1Mbps, RS-232
Transceivers with Enhanced Automatic
Powerdown
The Intersil ICL32XX devices are 3.0V to 5.5V powered
RS-232 transmitters/receivers which meet ElA/TIA-232 and
V.28/V.24 specifications, even at V
CC
= 3.0V. Targeted
applications are PDAs, Palmtops, and notebook and laptop
computers where the low operational, and even lower
standby, power consumption is critical. Efficient on-chip
charge pumps, coupled with manual and enhanced
automatic powerdown functions, reduce the standby supply
current to a 1μA trickle. Small footprint packaging, and the
use of small, low value capacitors ensure board space
savings as well. Data rates greater than 1Mbps are
guaranteed at worst case load conditions. This family is fully
compatible with 3.3V only systems, mixed 3.3V and 5.0V
systems, and 5.0V only systems.
The ICL3245 is a 3 driver, 5 receiver device that provides a
complete serial port suitable for laptop or notebook
computers. It also includes a noninverting always-active
receiver for “wake-up” capability.
These devices, feature an enhanced automatic
powerdown function which powers down the on-chip power-
supply and driver circuits. This occurs when all receiver and
transmitter inputs detect no signal transitions for a period of
30s. These devices power back up, automatically, whenever
they sense a transition on any transmitter or receiver input.
Table 1 summarizes the features of the device represented
by this data sheet, while Application Note AN9863
summarizes the features of each device comprising the
ICL32XX 3V family.
Features
• ±15kV ESD Protected (Human Body Model)
• Manual and Enhanced Automatic Powerdown Features
• Drop in Replacements for MAX3225, MAX3245
• Meets EIA/TIA-232 and V.28/V.24 Specifications at 3V
• Latch-Up Free
• On-Chip Voltage Converters Require Only Four External
0.1μF Capacitors
• Guaranteed Mouse Driveability (ICL3245)
• “Ready to Transmit” Indicator Output (ICL3225)
• Receiver Hysteresis For Improved Noise Immunity
• Guaranteed Minimum Data Rate . . . . . . . . . . . . . . 1Mbps
• Low Skew at Transmitter/Receiver Input Trip Points . . . 10ns
• Guaranteed Minimum Slew Rate . . . . . . . . . . . . . . 24V/μs
• Wide Power Supply Range . . . . . . . Single +3V to +5.5V
• Low Supply Current in Powerdown State. . . . . . . . . . .1μA
• Pb-Free Plus Anneal Available (RoHS Compliant)
Applications
• Any System Requiring RS-232 Communication Ports
- Battery Powered, Hand-Held, and Portable Equipment
- Laptop Computers, Notebooks, Palmtops
- Modems, Printers and other Peripherals
- Digital Cameras
- Cellular/Mobile Phones
Related Literature
• Technical Brief TB363 “Guidelines for Handling and
Processing Moisture Sensitive Surface Mount Devices
(SMDs)”
TABLE 1. SUMMARY OF FEATURES
PART
NUMBER
NO. OF
Tx.
NO. OF
Rx.
NO. OF
MONITOR Rx.
(R
OUTB
)
DATA
RATE
(kbps)
Rx. ENABLE
FUNCTION?
READY
OUTPUT?
MANUAL
POWER-
DOWN?
ENHANCED
AUTOMATIC
POWERDOWN
FUNCTION?
ICL3225 2 2 0 1000 No Yes Yes Yes
ICL3245 3 5 1 1000 No No Yes Yes
Data Sheet October 5, 2015
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
| Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright © Intersil Americas LLC 2000, 2001, 2003-2006, 2015. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
2
FN4878.9
October 5, 2015
Pinouts
ICL3225 (PDIP, SSOP)
TOP VIEW
ICL3245 (SSOP, TSSOP)
TOP VIEW
Ordering Information
PART NO.
PART
MARKING
TEMP.
RANGE (°C) PACKAGE PKG. DWG. #
ICL3225CAZ (Note) ICL32 25CAZ 0 to 70 20 Ld SSOP (Pb-free) M20.209
ICL3225CAZ-T (Note) ICL32 25CAZ 0 to 70 20 Ld SSOP Tape and Reel (Pb-free) M20.209
ICL3225CPZ (Note) No longer
available or supported,
recommended replacement:
ICL3225ECAZ
ICL3225CPZ 0 to 70 20 Ld PDIP* (Pb-free) E20.3
ICL3225IAZ (Note) ICL32 25IAZ -40 to 85 20 Ld SSOP (Pb-free) M20.209
ICL3225IAZ-T (Note) ICL32 25IAZ -40 to 85 20 Ld SSOP Tape and Reel (Pb-free) M20.209
ICL3245CAZ (Note) ICL 3245CAZ 0 to 70 28 Ld SSOP (Pb-free) M28.209
ICL3245CAZ-T (Note) ICL 3245CAZ 0 to 70 28 Ld SSOP Tape and Reel (Pb-free) M28.209
ICL3245IVZ (Note) No longer
available or supported,
recommended replacement:
ICL3245EIAZ
ICL3245 IVZ -40 to 85 28 Ld TSSOP (Pb-free) M28.173
ICL3245IVZ-T (Note) No longer
available or supported,
recommended replacement:
ICL3245EIAZ
ICL3245 IVZ -40 to 85 28 Ld TSSOP Tape and Reel (Pb-free) M28.173
*Pb-free PDIPs can be used for through hole wave solder processing only. They are not intended for use in Reflow solder processing applications.
NOTE: Intersil Pb-free plus anneal products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin
plate termination finish, which are RoHS compliant and compatible with both SnPb and Pb-free soldering operations. Intersil Pb-free products are
MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020.
READY
C1+
V+
C1-
C2+
C2-
V-
T2
OUT
R2
IN
FORCEOFF
GND
T1
OUT
R1
IN
R1
OUT
T1
IN
INVALID
V
CC
FORCEON
T2
IN
20
19
18
17
16
15
14
13
12
11
1
2
3
4
5
6
7
8
9
10
R2
OUT
C2+
C2-
V-
R1
IN
R2
IN
R3
IN
R4
IN
R5
IN
T1
OUT
T3
OUT
T3
IN
T2
IN
T1
IN
C1+
V
CC
GND
C1-
FORCEON
INVALID
R1
OUT
R2
OUT
R3
OUT
R4
OUT
R5
OUT
V+
FORCEOFF
R2
OUTB
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
T2
OUT
ICL3225, ICL3245
3
FN4878.9
October 5, 2015
Pin Descriptions
PIN FUNCTION
V
CC
System power supply input (3.0V to 5.5V).
V+ Internally generated positive transmitter supply (+5.5V).
V- Internally generated negative transmitter supply (-5.5V).
GND Ground connection.
C1+ External capacitor (voltage doubler) is connected to this lead.
C1- External capacitor (voltage doubler) is connected to this lead.
C2+ External capacitor (voltage inverter) is connected to this lead.
C2- External capacitor (voltage inverter) is connected to this lead.
T
IN
TTL/CMOS compatible transmitter Inputs.
T
OUT
RS-232 level (nominally ±5.5V) transmitter outputs.
R
IN
RS-232 compatible receiver inputs.
R
OUT
TTL/CMOS level receiver outputs.
R
OUTB
TTL/CMOS level, noninverting, always enabled receiver outputs.
INVALID
Active low output that indicates if no valid RS-232 levels are present on any receiver input.
READY Active high output that indicates when the ICL32XXE is ready to transmit (i.e., V- ≤ -4V)
FORCEOFF
Active low to shut down transmitters and on-chip power supply. This overrides any automatic circuitry and FORCEON (see Table 2).
FORCEON Active high input to override automatic powerdown circuitry thereby keeping transmitters active. (FORCEOFF
must be high).
Typical Operating Circuits
ICL3225
19
V
CC
T1
OUT
T2
OUT
T1
IN
T2
IN
T
1
T
2
0.1μF
+
0.1μF
+
0.1μF
13
12
17
8
2
4
3
7
V+
V-
C1+
C1-
C2+
C2-
+
0.1μF
5
6
R1
OUT
R1
IN
16
5kΩ
R2
OUT
R2
IN
910
5kΩ
15
C
1
C
2
+
C
3
C
4
READY
1
GND
+3.3V
+
0.1μF
18
TTL/CMOS
LOGIC LEVELS
RS-232
LEVELS
R
1
R
2
FORCEON
FORCEOFF
14
20
V
CC
11
INVALID
TO POWER
CONTROL LOGIC
ICL3225, ICL3245
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P19

ICL3225CAZ

Mfr. #:
Buy ICL3225CAZ
Manufacturer:
Renesas / Intersil
Description:
RS-232 Interface IC RS232 3V 2D/2R 1MBPS E-DWN COM
Lifecycle:
New from this manufacturer.
Delivery:
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