M25P80 datasheet(5/41 Pages) STMICROELECTRONICS

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M25P80

SUMMARY DESCRIPTION

The M25P80 is a 8 Mbit (1M x 8) Serial Flash

Memory, with advanced write protection mecha-

nisms, accessed by a high speed SPI-compatible

bus.

The memory can be programmed 1 to 256 bytes at

a time, using the Page Program instruction.

The memory is organized as 16 sectors, each con-

taining 256 pages. Each page is 256 bytes wide.

Thus, the whole memory can be viewed as con-

sisting of 4096 pages, or 1,048,576 bytes.

The whole memory can be erased using the Bulk

Erase instruction, or a sector at a time, using the

Sector Erase instruction.

Figure 2. Logic Diagram

Table 1. Signal Names

Figure 3. VDFPN and SO8 Connections

Note: 1. There is an exposed die paddle 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 di-

mensions, and how to identify pin-1.

Figure 4. SO16 Connections

Note: 1. DU = Don’t Use

2. See PACKAGE MECHANICAL section for package di-

mensions, and how to identify pin-1.

Serial Clock

Serial Data Input

Serial Data Output

Chip Select

Write Protect

HOLD

Hold

VCC

Supply Voltage

VSS

Ground

AI04964

VCC

M25P80

HOLD

VSS

AI04965B

VSS

HOLD

SVCC

M25P80

AI09712

VCC

HOLD

M25P80

VSS

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