HFC-4S Cologne Chip AG, HFC-4S Datasheet - Page 157

• Manufacturer Part Number: HFC-4S
• Description: Isdn HDLC Fifo Controller With 8 (4) Integrated S/t Interfaces
• Manufacturer: Cologne Chip AG

March 2003 (rev. A)
HFC-4S
HFC-8S
+ 3 . 3 V
G N D
+
C1
1
G N D
1
3
2
U2
LP2980-ADJ
Vin
On/Off
GND
Vout
ADJ
Figure 5.9: VDD _ ST voltage generation
5
4
G N D
S/T interface
R2
Data Sheet
R1
G N D
+ 2 . 5 V . . . + 3 . 2 V
1 0 0 n
C5
R3
C2
1 n
1 0 k
R4
G N D
+
C3
2 2
G N D
C4
1 0 0 n
129
147
164
181
96
HFC-4S/HFC-8S
U1
VDD_ST
VDD_ST
VDD_ST
VDD_ST
P W M 0
Cologne
Chip
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