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| 1μA, +3V to +5.5V, 1Mbps, RS-232 Transceivers with Enhanced Automatic Powerdown |
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| Ordering Information |
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 iBuy direct from Intersil
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 iBuy direct - out of stock
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 Request samples
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 Check distributor inventory
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Available in RoHS/Pb-Free
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Part No. |
Design-In
Status |
Temp. |
Package |
MSL |
Price
US $ |
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| ICL3225CAZ |
Active |
Comm |
20 Ld SSOP |
2 |
1.28 |
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| ICL3225CAZ-T |
Active |
Comm |
20 Ld SSOP T+R |
2 |
1.28 |
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| ICL3225CPZ |
Active |
Comm |
20 Ld PDIP |
N/A |
1.56 |
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| ICL3225IAZ |
Active |
Ind |
20 Ld SSOP |
2 |
1.87 |
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| ICL3225IAZ-T |
Active |
Ind |
20 Ld SSOP T+R |
2 |
1.87 |
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| ICL3225CA |
InActive |
Comm |
20 Ld SSOP |
1 |
N/A |
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| ICL3225CA-T |
InActive |
Comm |
20 Ld SSOP T+R |
1 |
N/A |
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| ICL3225CP |
InActive |
Comm |
20 Ld PDIP |
N/A |
N/A |
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| ICL3225IA |
InActive |
Ind |
20 Ld SSOP |
1 |
N/A |
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| ICL3225IA-T |
To Be
Discontinued |
Ind |
20 Ld SSOP T+R |
1 |
1.87 |
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| The price listed is the manufacturer's suggested retail price for quantities of 1K units. However, prices in today's market are fluid and may change without notice. |
| MSL = Moisture Sensitivity Level - per IPC/JEDEC J-STD-020 |
| SMD = Standard Microcircuit Drawing |
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 Description |
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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 VCC = 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 powersupply 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 inp |
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 Key Features |
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±15kV ESD Protected (Human Body Model)
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Manual and Enhanced Automatic Powerdown Features
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Drop in Replacements for MAX3225, MAX3245
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Meets EIA/TIA-232 and V.28/V.24 Specifications at 3V
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Latch-Up Free
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On-Chip Voltage Converters Require Only Four External 0.1μF Capacitors
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Guaranteed Mouse Driveability (ICL3245)
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"Ready to Transmit" Indicator Output (ICL3225)
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Receiver Hysteresis For Improved Noise Immunity
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Guaranteed Minimum Data Rate 1Mbps
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Low Skew at Transmitter/Receiver Input Trip Points 10ns
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Guaranteed Minimum Slew Rate 24V/μs
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Wide Power Supply Range Single +3V to +5.5V
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Low Supply Current in Powerdown State 1μA
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Pb-Free Plus Anneal Available (RoHS Compliant)
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| Related Documentation |
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 Application Note(s): |
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 Datasheet(s): |
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 Technical Homepage: |
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 Design Model(s): |
| | | | | |  Parametric Data | | | # of Tx | | 2 | | | # of Rx | | 2 | | | High ESD | | No | | | Manual Shutdown | | Yes | | | Auto Shutdown | | Enhanced | | | Rx Disable | | No | | | Data Rate (Mbps) | | 1 | | | Cap. Value (µF) | | .1 | | | IS Enabled (mA) | | .3 | | | IS Disabled (µA) | | 1 | | | VCC Range (V) | | 3 to 5.5 | | | VCC (min) (V) | | 3 | | | VCC (max) (V) | | 5.5 | |
| | |  Application Block Diagrams | | | | | | | | | | 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
| | | | | | | | | HIN202 | | +5V Powered RS-232 Transmitters/Receivers with 0.1µF External Capacitors | | | HIN232 | | +5V Powered RS-232 Transmitters/Receivers | | | HIN232A | | High Speed +5V Powered RS-232 Transmitters/Receivers | | | ICL3222 | | 1μA Supply-Current, +3V to +5.5V, 250kbps, RS-232 Transmitters/Receivers | | | ICL3223 | | 1μA Supply-Current, +3V to +5.5V, 250kbps, RS-232 Transmitters/Receivers | | | ICL3224 | | 1μA, +3V to +5.5V, 250kbps, RS-232 Transceivers with Enhanced Automatic Powerdown | | | ICL3232 | | 1μA Supply-Current, +3V to +5.5V, 250kbps, RS-232 Transmitters/Receivers | | | ICL3237 | | 1μA Supply-Current, +3V to +5.5V, 250kbps or 1000kbps, RS-232 Transmitters/Receivers | | | ICL3245 | | 1mA, +3V to +5.5V, 1Mbps, RS-232 Transceivers with Enhanced Automatic Powerdown | |
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