參數(shù)資料
型號(hào): SP3494CN-L
廠商: Exar Corporation
文件頁數(shù): 4/9頁
文件大?。?/td> 0K
描述: IC TXRX RS485/RS422 LP 8NSOIC
標(biāo)準(zhǔn)包裝: 98
類型: 收發(fā)器
驅(qū)動(dòng)器/接收器數(shù): 1/1
規(guī)程: RS422/RS485
電源電壓: 3.3V
安裝類型: 表面貼裝
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 8-SOICN
包裝: 管件
4
Exar Corporation 48720 Kato Road, Fremont CA, 94538 50-668-707 www.exar.com
SP3494_00_0702
PIN FUNCTION
Pin - RO - Receiver output
Pin 2 - RE - Receiver Output Enable Active LOW
Pin 3 - DE - Driver Output Enable Active HIGH
Pin 4 - DI - Driver Input
Pin 5 - GND - Ground Connection
Pin 6 - A - Non-Inverting Driver Output/Receiver Input
Pin 7 - B - Inverting Driver Output/Receiver Input
Pin 8 - Vcc - Positive Supply +3.3V +/-5%
Pin Function SP3494
ELECTRICAL CHARACTERISTICS
T
AMB = TMIN to TMAX and VCC = +3.3V +/-5% unless otherwise noted.
PARAMETERS
MIN.
TYP.
MAX.
UNITS CONDITIONS
SP3494 SHUTDOWN TIMING
Time to Shutdown
50
75
200
ns
RE = 3.3V, DE =0V
Driver Enable from Shutdown
to Output High
65
50
ns
Figures 4 and
Driver Enable from Shutdown
to Output Low
65
50
ns
Figures 5 and
Receivers Enabled from
Shutdown to Output High
50
200
ns
Figures 7 and 3,
S
2 closed, S open
Receivers Enabled from
Shutdown to Output Low
50
200
ns
Figures 7 and 3,
S
closed, S2 open
POWER REQUIREMENTS
Supply Current , No Load
000
2000
A
RE, DI = 0V or V
CC ; DE = VCC
Supply Current , No Load
800
500
A
RE = 0V, DI = 0V or V
CC, DE = 0V
Shutdown Mode
0
A
DE = 0V, RE = V
CC
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