HDSP-420X Agilent(Hewlett-Packard), HDSP-420X Datasheet - Page 12

• Manufacturer Part Number: HDSP-420X
• Description: 20 mm (0.8 inch) Seven Segment Displays
• Manufacturer: Agilent(Hewlett-Packard)

Figure 10. O-BLL and I-H50 Simplified Circuit Schematics. (Note: I-H50 Inputs Should Never Be Connected to Ground as
Permanent Damage to the Device May Result.)
Figure 9. O-TTL and I-TTL Simplified Circuit Schematic.
80
800
GND_HS
V
CC
V
CC
_HS
_TTL
6 K
80
GND_TTL
72
GND_LOG
36
V
CC
ESD
ESD
GND_LOG
V
_LOG
O-BLL
CC
_LOG
O_TTL
ESD
ESD
ESD
ESD
Zo = 50
Zo = 50
0.1 µF
0.1 µF
I_TTL
GND_LOG
V
CC
_LOG
ESD
ESD
I-H50
GND_LOG
V
CC
ESD
ESD
_LOG
10 K
GND_TTL
V
CC
_TTL
ESD
ESD
V
V
CC
CC
10 K
_HS
_HS
50
50
V
BB
GND_HS
1.4 V
667