Document Number: 001-98285 Rev. *R
Page 90 of 108
S29GL01GS/S29GL512S
S29GL256S/S29GL128S
12. Physical Interface
12.1
56-pin TSOP
12.1.1
Connection Diagram
Figure 12.1
56-pin Standard TSOP
Notes:
1. Pin 28, Do Not Use (DNU), a device internal signal is connected to the package connector. The connector may be used by Cypress for test or other purposes and is
not intended for connection to any host system signal. Do not use these connections for PCB Signal routing channels. Though not recommended, the ball can be
connected to V
CC
or V
SS
through a series resistor.
2. Pin 27, 30, and 53 Reserved for Future Use (RFU).
3
18
4
1
2
5
6
7
8
9
10
19
20
21
22
23
24
11
12
13
14
15
16
17
46
45
48
47
44
43
42
40
41
54
53
55
56
52
51
50
49
39
38
37
36
35
34
33
32
31
30
56-Pin TSOP
25
26
27
28
29
A15
A18
A14
A13
A12
A11
A10
A9
A8
A19
A20
WE#
RESET#
A21
WP#
RY/BY#
A17
A7
A6
A5
A23
A22
A4
A3
A2
A1
RFU
DNU
A24
A25
DQ10
A16
RFU
V
SS
DQ15
DQ7
DQ14
DQ6
DQ2
DQ9
DQ1
DQ8
DQ13
DQ5
DQ12
DQ4
V
CC
DQ11
DQ3
DQ0
OE#
V
SS
CE#
A0
V
IO
RFU
NC for GL256S, GL128S
NC for GL512S, GL256S, GL128S
NC for GL128S