HDSP-420X Agilent(Hewlett-Packard), HDSP-420X Datasheet - Page 16

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

HDMP-1512 (Tx), Signal Definitions (cont’d.)
Figure 12. HDMP-1514 (Rx) Package Layout.
VCC_LZBG
VCC_LZAC
VCC_TTL
Symbol
NC
GND_LOG
GND_LOG
COM_DET
V
V
GND_TTL
GND_TTL
L_UNUSE
CC
CC
SPDSEL
RBC[1]
RBC[0]
CAP0A
CAP0B
PPSEL
V
V
_LOG
_LOG
CC
CC
Laser Power Supply
Pin [17]
Laser Power Supply
Pins [15]
TTL Power Supply
Pins [41,42,63,64]
Pin [38]
_A
_A
Signal Name
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41
1
2
3
4 5
I/O
6
S
S
S
7 8
HDMP-1514
Logic Type
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
TOP VIEW
Power supply for all high speed laser driver circuitry.
Normally +5.0 volts.
Power supply for low speed laser driver circuitry.
Normally +5.0 volts.
Power supply for all TTL buffer I/O cells. Normally
+5.0 volts.
No connection.
Description
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
GND_TTL
GND_TTL
EN_CDET
V
-LCK_REF
GND_LOG
EWRAP
V
-EQEN
GND_LOG
NC
LOLB
LOLA
POR
GND_HS
GND_HS
CC
CC
_LOG
_LOG
671