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(SDT8028-T_-Q_)
Specification : TS-S96D048F
July, 2001
4. Pin Assignment
3. Package Dimension
Caution
Do not disassemble this product. Otherwise, failure, electrical shock, overheating or fire may occur.
Handle the lead pins carefully. Use assisting tools or prospective aids as required. A lead pin may injure skin or human body
Pin
Symbol
I/O
Level
Description
1
Vcc
+5V
Positive power supply (+5V)
2
Vcc
+5V
3
RFM(+)
O
Analog
Rear facet PD current monitor voltage (positive)
4
RFM(-)
O
Analog
Rear facet PD current monitor voltage (negative)
5
TDb
I
PECL
Differential data input (negative)
6
VTTD
Vcc-2V
Data input signal termination, Vcc-2V supply for DC PECL interface.
(AC GND) Or pull down to GND via a capacitor for AC coupled interface.
7
TD
I
PECL
Differential data input (positive)
8
NC
No user connection
9
Vcc
+5V
Positive power supply (+5V)
10
Vcc
+5V
Positive power supply (+5V)
11
Vee
GND
Negative power supply (GND)
12
Vee
GND
Negative power supply (GND)
13
Vee
GND
Negative power supply (GND)
14
Vee
GND
Negative power supply (GND)
15
ALM
O
TTL
LD bias current alarm, normal low, active high
16
Disable
I
TTL
Transmitter disable input. Default (open) LOW and transmitter is enabled.
17
Selector
I
Signal input mode selector, clocked or non-clocked.
Default (open) LOW and clocked mode.
18
TCLK
I
PECL
Differential clock input (positive)
19
VTTC
Vcc-2V
Clock input signal termination, Vcc-2V supply for DC PECL interface.
(AC GND) Or pull down to GND via a capacitor for AC coupled interface
20
TCLKb
I
PECL
Differential clock input (negative)
21
BM(-)
O
Analog
LD bias current monitor voltage (negative)
22
BM(+)
O
Analog
LD bias current monitor voltage (positive)
23
Vcc
+5V
Positive power supply (+5V)
24
Vcc
+5V
Positive power supply (+5V)
NC pins should left open for additional functions in the future
Figure 2. Package Dimension
PIN13
PIN24
PIN1
PIN12
t=0.25
1.5
0.5
UNIT:mm
36.4
23.5
2.54PX11=27.94
14.4
600+/-50
4.2
Figure 2. Package Dimension
+0.2
-0.1
+0.1
-0.1
+0.5
-0.5
+0.1
-0.1
+0.3
-0.05
+0.2
-0.1
+0.1
-0.05
pin dimension