HCPL-643X Datasheet, PDF (9/12 Pages) AVAGO TECHNOLOGIES LIMITED – Hermetically Sealed, Very High Speed, Logic Gate Optocouplers High radiation immunity

PULSE GEN.
tr = tf = 5 ns
f = 500 kHz
25 % DUTY
CYCLE
IF
INPUT
MONITORING
NODE
100 Ω
C1
15 pF
D.U.T.
V_CC
VCC
VO
OUTPUT ^{5.0 V}
MONITORING
NODE
1.3 KΩ
0.1 µF
30 pF
C2
GND
2.5 KΩ
THE PROBE AND JIG CAPACITANCES
ARE REPRESENTED BY C1 AND C2.
ALL DIODES ARE 1N4150 OR EQUIVALENT.
Figure 5. Test circuit for t_PLH, t_PHL, t_r, and t_f
Figure 6. Typical propagation delay vs. ambient temperature
Figure 7. Typical propagation delay vs. input forward current
PULSE
GENERATOR
ZO = 50 Ω
tr = tf = 5 ns
IF
INPUT VE
MONITORING
NODE
D.U.T.
VCC
1
VCC ₈
0.1 µF
5.0 V
S1
2
7
V_O
D1 ^{1.3 KΩ}
3
6
4
GND ⁵
C1
30 pF
D2
D3
2.5 KΩ
D4
S2
Figure 8. Test circuit for t_PHZ, t_PZH, t_PLZ, and t_PZL. (single channel product only)
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