CPC7581 Datasheet, PDF (7/12 Pages) Clare, Inc. – Line Card Access Switch

Package Pinout
F_GND
T_BAT
T_LINE
NC
NC
T_RING
V_DD
TSD
CPC7581
1
SCR
and
2
TRIP
CKT
3 ^SW1
4 SW3
5
SW2
SW4
6
7
8
Temperature
Shutdown
16 _VBAT
15 _RBAT
14 _RLINE
13
NC
12
R_RING
11
LATCH
10 _INPUT
9
D_GND
* Only the CPC7581BA contains the protection SCR.
CPC7581
Pin
Name
Function
1
F_GND
Fault ground
2
T_BAT
Connect to TIP on SLIC side
3
T_LINE
Connect to TIP on line side
4
NC
No Connect
5
NC
No Connect
6
T_RING
Connect to return ground for ringing
generator
7
V_DD
+ 5V Supply
8
TSD
Temperature shutdown pin. Can be
used as a logic level input or output.
See Tables 5, 6 and 8 for more
details. As an output, will read
+5V when device is in its operational
mode and 0V in the thermal
shutdown mode.
9
D_GND
Digital Ground
10
INPUT
Logic level input switch control
11
LATCH
Data latch control, active high,
transparent low
12
R_RING
Connect to ringing generator
13
NC
No Connect
14
R_LINE
Connect to RING on line side
15
R_BAT
Connect to RING on SLIC side
16
V_BAT
Battery voltage. Reference for
protection circuit
Rev. 2
www.clare.com
7