YTD439 Datasheet, PDF (6/15 Pages) List of Unclassifed Manufacturers – ISDN BRI controller for Terminal Equipment with built-in DSU

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25 ATEI
24 ATEO
23 VRB
22 VRT
21 RUC
20 AV_DD1
19 AV_SS1
18 RXU1
17 SGR
16 RXU2
15 SGA
14 AV_DD1
13 RXS
12 SGB
11 SGBP
10 AV_SS1
9 LI1
8 CX2
7 LI2
6 LICT
5 CX1
4 AVSS2
3 LO1
2 LO2
1 RX
EXTCLK 75
SYNC_IN 74
SYNC_OUT 73
HW_IN 72
HW_OUT 71
70
DVSS
/INT 69
/RD,/AS 68
/WR,R/W 67
/CS 66
D0 65
YTD439-S
100pin SQFP
D1 64
D2 63
D3 62
D4 61
D5 60
D6 59
D7 58
57
DVSS
D8 56
D9 55
D10 54
D11 53
52
DVDD2
D12 51
❑ Pin Assignments