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

VCC1 = 5 V
DATA
IN A
TOTEM POLE
OUTPUT GATE
(e.g. 54AS1000)
DATA
IN A
GND 1
226 Ω ^{30 pF}
274 Ω
HCPL-5430
V_CC
274 Ω
226 Ω _{30 pF}
1
GND
Y=A
Figure 15. Recommended HCPL-5430 and HCPL-6430 interface circuit
0.1 μF
TTL
LSTTL
STTL
HCMOS
TTL
LSTTL
STTL
HCMOS
2
V_CC2 = +5 V
DATA
OUT Y
DATA
OUT Y
GND 2
V_CC1 = +5 V
DATA
IN A
STTL OPEN COLLECTOR
OUTPUT GATE
(e.g. 54AS05)
DATA
IN A
GND 1
464 Ω
464 Ω
HCPL-5430
VCC
GND
Y=A
1
Figure 16. Alternative HCPL-5430 and HCPL-6430 interface circuit
0.1 μF
TTL
LSTTL
HCMOS
STTL
TTL
LSTTL
HCMOS
STTL
2
V_CC2 = +5 V
DATA
OUT Y
DATA
OUT Y
GND 2
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Data subject to change. Copyright © 2005-2012 Avago Technologies. All rights reserved. Obsoletes 5968-9403E
AV02-3838EN - October 2, 2012