H21LOB View Datasheet(PDF) - Fairchild Semiconductor
Part Name
Description
Manufacturer
H21LOB Datasheet PDF : 8 Pages
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Figure 9. Switching Speed Test Circuit
C2
R2
Pulse
Generator
VO = 5V
f = 10 KHz
d.c. = 50%
5V
R1
.1 uf
bypass
C1
GND
R1 = 300Ω
R2 = 180Ω
C1 = 15pF
C2 = 20pF
C1 and C2 include probe and
stray wire capacitance
Figure 10. Typical Operating Circuit
VCC
RIN
+
V- IN
RL
.1 uf
VO bypass
GND
Figure 11. Switching Times Definition for Buffer
50%
0 mA
tPLH
VOH
Output
VO
t PHL
90%
10%
50%
VOL
tr
10%
90%
tf
Figure 12. Switching Times Definitions for Inverters
50%
0 mA
tPHL
VOH
Output
VO
10%
t PLH
90%
VOL
tf
90%
10%
tr
©2004 Fairchild Semiconductor Corporation
H21L Series Rev. 1.1.0
7
www.fairchildsemi.com
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