參數(shù)資料
型號(hào)： SP208EHEP
英文描述： High Speed 5V High Performance RS232 Transceivers
中文描述： 高速5V的高性能RS232收發(fā)器
文件頁(yè)數(shù)： 9/15頁(yè)
文件大小： 213K
代理商： SP208EHEP
9
REV: A DATE:12/03/2003
+5V High-Speed RS232 Transceivers
Copyright 2000 Sipex Corporation
computer to power up the microprocessor and
the
SP2XXB/SP213
drivers. After the supply
voltage to the
SP2XXB/SP213
reaches +5.0V,
the SHUTDOWN pin can be disabled, taking
the
SP2XXB/SP213
out of the shutdown mode.
All receivers that are active during shutdown
maintain 500mV (typ.) of hysteresis.
A typical application of this function would be
where a modem is interfaced to a computer in a
power–down mode. The ring indicator signal
from the modem could be passed through an
active receiver in the
SP2XXB/SP213
that is
itself in the shutdown mode. The ring indicator
signal would propagate through the
SP2XXB/
SP213
to the power management circuitry of the
Figure 6. Wake–Up Timing
+5V
0V
ENABLE
SD
DISABLE
R
OUT
DATA VALID
+5V
0V
R
OUT
+5V
0V
R
OUT
t
WAIT
t
0 (POWERUP)
ENABLE
SD
DISABLE
POWER UP WITH SD ACTIVE (Charge pump in shutdown mode)
POWER UP WITH SD DISABLED (Charge pump in active mode)
t
0 (POWERUP)
t
ENABLE
DATA VALID
SD
DATA VALID
DATA VALID
DATA VALID
EXERCISING WAKE–UP FEATURE
t
0 (POWERUP)
t
ENABLE
t
ENABLE
t
ENABLE
t
WAIT
DISABLE
DISABLE
ENABLE
t
WAIT
= 2ms typical, 3ms maximum
t
ENABLE
= 1ms typical, 2ms maximum
V
CC
= +5V ±10%; T
A
= 25°C
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SP208EHEP-L 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述:
SP208EHET 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:High Speed +5V High Performance RS232 Transceivers
SP208EHET-L 功能描述:RS-232接口集成電路 460KBPS 5V 4DRV/4RCV RS-232 -40-85C 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:
SP208EHET-L/TR 功能描述:RS-232接口集成電路 460KBPS 5V 4DRV/4RCV RS-232 -40-85C 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:
SP208EP 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:+5V High-Speed RS-232 Transceivers with 0.1mF Capacitors
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