Vin VR All diodes 1N30" />
參數(shù)資料
型號(hào): MC1489MELG
廠商: ON Semiconductor
文件頁(yè)數(shù): 7/12頁(yè)
文件大?。?/td> 0K
描述: IC LINE RECEIVER QUAD 14-SOEIAJ
產(chǎn)品變化通告: Product Obsolescence 08/Apr/2011
標(biāo)準(zhǔn)包裝: 2,000
類(lèi)型: 線路接收器
驅(qū)動(dòng)器/接收器數(shù): 0/4
規(guī)程: RS232
電源電壓: 4.5 V ~ 5.5 V
安裝類(lèi)型: 表面貼裝
封裝/外殼: 14-SOIC(0.209",5.30mm 寬)
供應(yīng)商設(shè)備封裝: SOEIAJ-14
包裝: 帶卷 (TR)
MC1489, MC1489A
http://onsemi.com
4
Vin
VR
All diodes
1N3064
or equivalent
Eo
R
tTLH and tTHL
measured
10% - 90%
Figure 3. Switching Response
C
1/4
MC1489A
RL
5.0 Vdc
50%
3.0 V
Ein
tTHL
CL = 15 pF = total parasitic capacitance which includes
probe and wiring capacitances
1.5 V
tTLH
tPLH
Response Node
VO
Ein
CL
C, capacitor is for noise filtering.
R, resistor is for threshold shifting.
EO
Figure 4. Response Control Node
TEST CIRCUITS
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