
- Stock: In Stock
- Brand: Unbranded
- Model: 1-CHIP0676
- SKU: 1-CHIP0676
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Controller IC Chip - MAX3243CAI MAXIM3243 chip for laptop- Integrated portable calculator chip(SKU.1-CHIP0676)
The MAX3221/MAX3223/MAX3243 achieve 1mA supplycurrent with Maxim’s revolutionary AutoShutdown™ fea-ture. When the MAX3221/MAX3223/MAX3243 do notsense a valid signal level on their receiver inputs, theon-board power supply and drivers shut down. Thisoccurs if the RS-232 cable is disconnected or if thetransmitters of the connected peripheral are turned off.The system turns on again when a valid level is appliedto any RS-232 receiver input. As a result, the systemsaves power WITHOUT changes to the existing BIOS oroperating system.The MAX3221/MAX3223/MAX3243 transceivers are 3V-powered EIA/TIA-232 and V.28/V.24 communicationsinterfaces intended for notebook computer applica-tions. A proprietary, high-efficiency, dual charge-pumppower supply and a low-dropout transmitter combine todeliver true RS-232 performance from a single +3.0V to+5.5V supply. A guaranteed data rate of 120kbps pro-vides compatibility with popular software for communi-cating with personal computers.The MAX3221/MAX3223/MAX3243 require only 0.1mFcapacitors in 3.3V operation, and can operate from inputvoltages ranging from +3.0V to +5.5V. They are ideal for3.3V-only systems, mixed 3.3V and 5.0V systems, or5.0V-only systems that require true RS-232 performance.The MAX3221 is a 1-driver/1-receiver 16-pin SSOP ver-sion of the 20-pin MAX3223 (2-driver/2-receiver). TheMAX3243 3-driver/5-receiver, complete serial port isideal for notebook or subnotebook computers. TheMAX3243 includes one complementary always-activereceiver. This receiver can monitor an external device(such as a modem) in shutdown, WITHOUT forward bias-ing the protection diodes in a UART that may have VCCcompletely removed.
1mA Supply Current Achieved with AutoShutdownSmall 0.1mF CapacitorsTrue RS-232 Operation from VCC= +3.0V to +5.5VMeets EIA/TIA-562 Specifications Down to 2.7VGuaranteed 120kbps Data Rate6V/ms Min Guaranteed Slew RateSmallest Single-Supply RS-232 Transceiver(MAX3221)Guaranteed Mouse Driveability (MAX3243)Small TSSOP Package(MAX3223/MAX3243).
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