HC-5524 Datasheet, PDF (6/9 Pages) Intersil Corporation – EIA/ITU 24V PABX SLIC with 25mA Loop Feed

Pinouts
HC-5524 (SOIC)
TOP VIEW
AG 1
VB+ 2
C1 3
F1 4
F0 5
RS 6
SHD 7
GKD 8
TST 9
ALM 10
ILMT 11
OUT 1 12
-IN 1 13
TIP 14
28 BG
27 VB-
26 RF
25 TF
24 VFB
23 RD
22 DG
21 PR
20 PRI
19 VTX
18 C2
17 VRX
16 RFS
15 RING
HC-5524
TRUTH TABLE
F1 F0
Action
0
0 Normal Loop Feed
0
1 RD Active
1
0 Power Down Latch
RESET
1
0 Power on RESET
1
1 Loop Power
Denial Active
HC-5524 (PLCC)
TOP VIEW
N/C
F1
F0
RS
SHD
GKD
TST
N/C
N/C
N/C
ALM
6 5 4 3 2 1 44 43 42 41 40
7
39
8
38
9
37
10
36
11
35
12
34
13
33
14
32
15
31
16
30
17
29
18 19 20 21 22 23 24 25 26 27 28
TF1
TF2
VFB
RD
DG
PR
PRI
VTX
C2
N/C
N/C
6