M25PE80 datasheet(7/61 Pages) STMICROELECTRONICS

部件名	M25PE80

功能描述	8 Mbit, low-voltage, Page-Erasable Serial Flash memory with Byte alterability, 50MHz SPI bus, standard pinout

PDF	61 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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7 / 61 page

M25PE80

Description

7/61

Figure 3.

VFQFPN and SO connections

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.

See Package mechanical section for package dimensions, and how to identify pin-1.

Figure 1.

Logic diagram - previous T7Y

process

Figure 2.

Logic diagram - new T9HX

process

Table 1.

Signal names

Signal name

Function

Direction

Serial Clock

Input

Serial Data

Input

Serial Data

Output

Chip Select

Input

TSL or W(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).

Top Sector Lock or Write Protect

Input

Reset

Input

VCC

Supply voltage

Input

VSS

Ground

Reset

AI10779

VCC

M25PE80

VSS

TSL

Reset

AI13557

VCC

M25PE80

VSS

AI10780b

VSS

Reset

SVCC

TSL or W

M25PE80

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