TRSF3243E
- ESD protection for RS-232 bus pins
- ±15-kV Human-body model (HBM)
- ±8-kV IEC61000-4-2, Contact discharge
- ±15-kV IEC61000-4-2, Air-gap discharge
- Operates with single 3-V to 5.5-V VCC supply
- Always-active noninverting receiver output (ROUT2B)
- Low standby current: 1 µA typical
- External capacitors: 4 × 0.1 µF
- Accepts 5-V logic input with 3.3-V supply
- Serial-mouse driveability
- Supports operation up to 1 Mbit/s
- Auto-powerdown feature to disable driver outputs when no valid RS-232 signal is sensed
- Available in space-saving RHB (5 mm x 5 mm QFN-32) package
The TRSF3243E consists of three line drivers, five line receivers, and a dual charge-pump circuit with ±15-kV ESD (HBM and IEC61000-4-2, Air-Gap Discharge) and ±8-kV ESD (IEC61000-4-2, Contact Discharge) protection on serial-port connection pins. This device provides 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. In addition, this device includes an always-active noninverting output (ROUT2B), which allows applications using the ring indicator to transmit data while the device is powered down. The device operates at data signaling rates up to 1 Mbit/s and an increased slew-rate range of 18 V/µs to 150 V/µs.
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 device does not sense a valid RS-232 signal, the driver outputs are disabled. If FORCEOFF is set low, both drivers and receivers (except ROUT2B) are shut off, and the supply current is reduced to 1 µA. Disconnecting the serial port or turning off the peripheral drivers causes the auto-powerdown condition to occur.
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기술 자료
| 유형 | 직함 | 날짜 | ||
|---|---|---|---|---|
| * | Data sheet | TRSF3243E 3-V to 5.5-V Multichannel RS-232 Compatible Line Driver and Receiver with ±15-kV IEC ESD protection datasheet (Rev. A) | PDF | HTML | 2022/09/26 |
설계 및 개발
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| 패키지 | 핀 | CAD 기호, 풋프린트 및 3D 모델 |
|---|---|---|
| TSSOP (PW) | 28 | Ultra Librarian |
| VQFN (RHB) | 32 | Ultra Librarian |
주문 및 품질
- RoHS
- REACH
- 디바이스 마킹
- 납 마감/볼 재질
- MSL 등급/피크 리플로우
- MTBF/FIT 예측
- 물질 성분
- 인증 요약
- 지속적인 신뢰성 모니터링
- 팹 위치
- 조립 위치
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