M25PE80
Description
Figure 1.
Logic diagram - previous T7Y Figure 2.
process
Logic diagram - new T9HX
process
V
V
CC
CC
D
Q
D
Q
C
S
C
S
M25PE80
M25PE80
W
TSL
Reset
Reset
V
V
AI10779
SS
SS
AI13557
Table 1.
Signal names
Signal name
Function
Direction
C
D
Q
S
Serial clock
Serial data
Serial data
Chip select
Input
Input
Output
Input
Input
Input
Input
TSL or W(1)
Reset
VCC
Top sector lock or write protect
Reset
Supply voltage
Ground
VSS
1. In the previous T7Y process the pin is a top sector lock input whereas in the new T9HX process, the pin is
a write protect input (see Figure 1 and Figure 2).
Figure 3.
VFQFPN, QFN8L and SO connections
M25PE80
S
Q
1
2
3
4
8
7
6
5
V
CC
Reset
TSL or W
C
D
V
SS
AI10780b
1. There is an exposed central pad on the underside of the MLP8 package. This is pulled, internally, to VSS
and must not be allowed to be connected to any other voltage or signal line on the PCB.
,
2. See Package mechanical section for package dimensions, and how to identify pin-1.
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