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CY14E256LA-ZS
256-Kbit (32K x 8-bit) nvSRAM, single 5V +/-10% operation, 25/45ns, TSOP-II-44
Schematic Symbol
Pin Configuration (44 pins)
| Pin | Name | Type |
|---|---|---|
| 11 | VCC | power_in |
| 12 | VSS | power_in |
| 33 | VCC | passive |
| 34 | VSS | passive |
| 1 | NC | no_connect |
| 2 | NC | no_connect |
| 3 | A0 | input |
| 4 | A1 | input |
| 5 | A2 | input |
| 6 | A3 | input |
| 7 | A4 | input |
| 8 | ~{CE} | input |
| 9 | DQ0 | tri_state |
| 10 | DQ1 | tri_state |
| 13 | DQ2 | tri_state |
| 14 | DQ3 | tri_state |
| 15 | ~{WE} | input |
| 16 | A5 | input |
| 17 | A6 | input |
| 18 | A7 | input |
| 19 | A8 | input |
| 20 | A9 | input |
| 21 | NC | no_connect |
| 22 | NC | no_connect |
| 23 | NC | no_connect |
| 24 | NC | no_connect |
| 25 | A10 | input |
| 26 | A11 | input |
| 27 | A12 | input |
| 28 | A13 | input |
| 29 | A14 | input |
| 30 | VCAP | power_in |
| 31 | DQ4 | tri_state |
| 32 | DQ5 | tri_state |
| 35 | DQ6 | tri_state |
| 36 | DQ7 | tri_state |
| 37 | ~{OE} | input |
| 38 | NC | no_connect |
| 39 | NC | no_connect |
| 40 | NC | no_connect |
| 41 | NC | no_connect |
| 42 | NC | no_connect |
| 43 | NC | no_connect |
| 44 | ~{HSB} | bidirectional |
Footprint
ConfirmedPackage_SO/TSOP-II-44_10.16x18.41mm_P0.8mm
Pad Layout
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
Pads (44)
| Number | Type |
|---|---|
| 1 | smd |
| 2 | smd |
| 3 | smd |
| 4 | smd |
| 5 | smd |
| 6 | smd |
| 7 | smd |
| 8 | smd |
| 9 | smd |
| 10 | smd |
| 11 | smd |
| 12 | smd |
| 13 | smd |
| 14 | smd |
| 15 | smd |
| 16 | smd |
| 17 | smd |
| 18 | smd |
| 19 | smd |
| 20 | smd |
| 21 | smd |
| 22 | smd |
| 23 | smd |
| 24 | smd |
| 25 | smd |
| 26 | smd |
| 27 | smd |
| 28 | smd |
| 29 | smd |
| 30 | smd |
| 31 | smd |
| 32 | smd |
| 33 | smd |
| 34 | smd |
| 35 | smd |
| 36 | smd |
| 37 | smd |
| 38 | smd |
| 39 | smd |
| 40 | smd |
| 41 | smd |
| 42 | smd |
| 43 | smd |
| 44 | smd |