參數(shù)資料
型號(hào): H21LTB
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 開(kāi)關(guān)
英文描述: OPTOLOGIC OPTICAL INTERRUPTER SWITCH
中文描述: 3.15 mm SLOT WIDTH, 1 CHANNEL SLOTTED OPTICAL SWITCH LOGIC OUTPUT
封裝: PLASTIC PACKAGE-5
文件頁(yè)數(shù): 7/8頁(yè)
文件大小: 200K
代理商: H21LTB
DS300294
5/29/01
7 OF 8
www.fairchildsemi.com
H21LTB
H21LTI
H21LOB
H21LOI
OPTOLOGIC
OPTICAL
INTERRUPTER SWITCH
C
2
R
2
R
1
1
C
.1 uf
bypass
5V
GND
Pulse
Generator
VO
f = 10 KHz
d.c. = 50%
R = 360
1
R = 180
1
C = 15 pf
C = 20 pf
stray wire capacitance
C and C include probe and
Fig. 9 Switching Speed Test Circuit
PLH
r
t
PHL
t
50%
90%
10%
OH
V
OL
V
10%
90%
50%
Output
V
O
t
f
t
0 mA
OH
PHL
0 mA
t
V
PLH
50%
t
10%
90%
90%
10%
r
t
f
t
Output
V
O
OL
V
+
-
IN
R
IN
.1 uf
bypass
L
R
V
CC
GND
O
V
Fig. 10 Typical Operating Circuit
Fig. 11 Switching Times Definition for Buffers
Fig. 12 Switching Times Definition for Inverters
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