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25PE20VP 데이터시트(PDF) 7 Page - STMicroelectronics

부품명 25PE20VP
상세설명  1 and 2 Mbit, low voltage, Page-Erasable Serial Flash memories with Byte-Alterability, 50 MHz SPI bus, standard pinout
PDF  60 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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25PE20VP 데이터시트(HTML) 7 Page - STMicroelectronics

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M25PE20, M25PE10
Description
7/60
Figure 3.
VFQFPN and SO connections
1.
There is an exposed central pad on the underside of the VFQFPN 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.
Figure 1.
Logic diagram - previous T7X
process
Figure 2.
Logic diagram - new T9HX
process
Table 1.
Signal names
Signal name
Function
Direction
C
Serial Clock
Input
D
Serial Data Input
Input
Q
Serial Data Output
Output
S
Chip Select
Input
TSL or W(1)
1.
In the previous T7X 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).
Top Sector Lock or Write Protect
Input
Reset
Reset
Input
VCC
Supply Voltage
VSS
Ground
Reset
AI09713
S
VCC
M25PE20
M25PE10
VSS
TSL
Q
C
D
Reset
AI13808
S
VCC
M25PE10
M25PE20
VSS
W
Q
C
D
1
AI09715b
2
3
4
8
7
6
5
D
VSS
C
Reset
Q
SVCC
TSL or W
M25PE20
M25PE10



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