No. |
Part Name |
Description |
Manufacturer |
31 |
AS2578 |
TELEPHONE CONTROLLER WITH 13 MEMORIES AND 2-WIRE BUS |
Austria Mikro Systems |
32 |
AS2578B |
TELEPHONE CONTROLLER WITH 13 MEMORIES AND 2-WIRE BUS |
Austria Mikro Systems |
33 |
AS2578BN |
TELEPHONE CONTROLLER WITH 13 MEMORIES AND 2-WIRE BUS |
Austria Mikro Systems |
34 |
AS2578BP |
TELEPHONE CONTROLLER WITH 13 MEMORIES AND 2-WIRE BUS |
Austria Mikro Systems |
35 |
AS2578N |
TELEPHONE CONTROLLER WITH 13 MEMORIES AND 2-WIRE BUS |
Austria Mikro Systems |
36 |
AS2578P |
TELEPHONE CONTROLLER WITH 13 MEMORIES AND 2-WIRE BUS |
Austria Mikro Systems |
37 |
DL257D |
Four 2 on 1 multiplexers (TTL low-power Schottky series), possibly equivalent SN74LS257N |
RFT |
38 |
DM54LS257B |
Quad TRI-STATE 2-to-1 Line Data Selector/Multiplexer |
National Semiconductor |
39 |
DM54LS257BJ |
TRI-STATE Quad 2-Data Selectors/Multiplexers |
National Semiconductor |
40 |
DM54LS257BW |
TRI-STATE Quad 2-Data Selectors/Multiplexers |
National Semiconductor |
41 |
DM54S257 |
Quad TRI-STATE 2-to-1 Line Data Selector/Multiplexer |
National Semiconductor |
42 |
DM54S257J |
7 V, TRI-STATE quad 1 of 2 data selector/multiplexer |
National Semiconductor |
43 |
DM54S257W |
7 V, TRI-STATE quad 1 of 2 data selector/multiplexer |
National Semiconductor |
44 |
DM74ALS257 |
3-STATE Quad 1-of-2-Line Data Selector/Multiplexer |
Fairchild Semiconductor |
45 |
DM74ALS257 |
TRI-STATE Quad 1-of-2 Line Data Selector/Multiplexer |
National Semiconductor |
46 |
DM74ALS257M |
3-STATE Quad 1-of-2 Line Data Selector/Multiplexer |
Fairchild Semiconductor |
47 |
DM74ALS257MX |
3-STATE Quad 1-of-2 Line Data Selector/Multiplexer |
Fairchild Semiconductor |
48 |
DM74ALS257N |
3-STATE Quad 1-of-2 Line Data Selector/Multiplexer |
Fairchild Semiconductor |
49 |
DM74ALS257SJ |
3-STATE Quad 1-of-2 Line Data Selector/Multiplexer |
Fairchild Semiconductor |
50 |
DM74ALS257SJX |
3-STATE Quad 1-of-2 Line Data Selector/Multiplexer |
Fairchild Semiconductor |
51 |
DM74AS257 |
3-STATE Quad 1 of 2 Line Data Selector/Multiplexers |
Fairchild Semiconductor |
52 |
DM74AS257M |
3-STATE Quad 1 of 2 Line Data Selectors/Multiplexers |
Fairchild Semiconductor |
53 |
DM74AS257MX |
3-STATE Quad 1 of 2 Line Data Selectors/Multiplexers |
Fairchild Semiconductor |
54 |
DM74AS257N |
3-STATE Quad 1 of 2 Line Data Selectors/Multiplexers |
Fairchild Semiconductor |
55 |
DM74AS257SJ |
3-STATE Quad 1 of 2 Line Data Selectors/Multiplexers |
Fairchild Semiconductor |
56 |
DM74AS257SJX |
3-STATE Quad 1 of 2 Line Data Selectors/Multiplexers |
Fairchild Semiconductor |
57 |
DM74LS257 |
3-STATE Quad 2-Data Selectors/Multiplexers |
Fairchild Semiconductor |
58 |
DM74LS257 |
TRI-STATE Quad 2-Data Selectors/Multiplexers |
National Semiconductor |
59 |
DM74LS257B |
3-STATE Quad 2-Data Selectors/Multiplexers |
Fairchild Semiconductor |
60 |
DM74LS257B |
Quad TRI-STATE 2-to-1 Line Data Selector/Multiplexer |
National Semiconductor |
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