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參數(shù)資料
| 型號： | MAX3245EETX+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 4/21頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TXRX RS232 1MBPS SD 36-TQFN |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 50 |
| 類型： | 收發(fā)器 |
| 驅(qū)動器/接收器數(shù)： | 3/5 |
| 規(guī)程： | RS232 |
| 電源電壓： | 3 V ~ 5.5 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 36-WFQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 36-TQFN 裸露焊盤（6x6） |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁面： | 1406 (CN2011-ZH PDF) |
±15kV ESD-Protected, 1A, 1Mbps 3.0V to 5.5V,
RS-232 Transceivers with AutoShutdown Plus
By connecting FORCEON and FORCEOFF to INVALID,
the MAX3224E–MAX3227E/MAX3244E/MAX3245E shut
down when no valid receiver level is detected and
wake up when a valid receiver level is detected (same
functionality as AutoShutdown feature on MAX3221E/
MAX3223E/MAX3243E).
A mouse or other system with AutoShutdown Plus may
need time to wake up. Figure 5 shows a circuit that
forces the transmitters on for 100ms, allowing enough
time for the other system to realize that the MAX3244E/
MAX3245E is awake. If the other system outputs valid
RS-232 signal transitions within that time, the RS-232
ports on both systems remain enabled.
Software-Controlled Shutdown
If direct software control is desired, use INVALID to
indicate DTR or ring indicator signal. Tie FORCEOFF
and FORCEON together to bypass the AutoShutdown
Plus so the line acts like a SHDN input.
±15kV ESD Protection
As with all Maxim devices, ESD-protection structures are
incorporated on all pins to protect against electrostatic
discharges encountered during handling and assembly.
The driver outputs and receiver inputs of the
MAX3224E–MAX3227E/MAX3244E/MAX3245E have extra
protection against static electricity. Maxim’s engineers
have developed state-of-the-art structures to protect
VCC
0
V+
V-
VCC
0
INVALID
OUTPUT
READY
TRANSMITTER
INPUTS
RECEIVER
INPUTS
}
INVALID
REGION
*MAX3224E–MAX3227E
TRANSMITTER
OUTPUTS
*VCC
tAUTOSHDN
tWU
tINVL
tINVH
tAUTOSHDN
Figure 4b. AutoShutdown Plus, INVALID, and READY Timing Diagram
FORCEON
MASTER SHDN LINE
0.1
μF1MΩ
FORCEOFF
MAX3224E
MAX3225E
MAX3226E
MAX3227E
MAX3244E
MAX3245E
POWER-
MANAGEMENT
UNIT
Figure 5. AutoShutdown Plus Initial Turn-On to Wake Up a
Mouse or Another System
12
Maxim Integrated
MAX3224E/MAX3225E/
MAX3226E/MAX3227E/MAX3244E/MAX3245E
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX3245EETX+ | 功能描述:RS-232接口集成電路 3-5.5V 1Mbps Transceiver 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(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| MAX3245EETX+G071 | 功能描述:RS-232接口集成電路 3-5.5V 1Mbps Transceiver 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(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| MAX3245EETX+T | 功能描述:RS-232接口集成電路 3-5.5V 1Mbps Transceiver 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(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| MAX3245EETX+TG071 | 功能描述:RS-232接口集成電路 3-5.5V 1Mbps Transceiver 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(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| MAX3245EETX-T | 功能描述:RS-232接口集成電路 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(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
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