M25P20 datasheet(39/50 Pages) STMICROELECTRONICS

Il numero della parte	M25P20

Spiegazioni elettronici	2 Mbit, Low Voltage, Serial Flash Memory With 40MHz SPI Bus Interface

PDF	50 Pages

Scroll/Zoom	100%

Produttore elettronici	STMICROELECTRONICS [STMicroelectronics]

Homepage	http://www.st.com

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39 / 50 page

M25P20

DC and AC parameters

39/50

Output Hi-Z is defined as the point where data out is no longer driven.

Figure 21.

AC Measurement I/O Waveform

Table 16.

Instruction Times (Device Grade 3)

Test conditions specified in

Table 10 and Table 17

Symbol

Alt.

Parameter

Min.

Typ(1) (2)

At 85°C

Preliminary data.

Max(2)

Unit

Write Status Register Cycle Time

tPP

(3)

When using the Page Program (PP) instruction to program consecutive Bytes, optimized timings are

obtained with one sequence including all the Bytes versus several sequences of only a few Bytes. (1

≤n ≤

256)

Page Program Cycle Time (256 Bytes)

1.5

5ms

Page Program Cycle Time (n Bytes)

0.4+

n*1.1/256

tSE

Sector Erase Cycle Time

tBE

Bulk Erase Cycle Time

2.8

Table 17.

AC Measurement Conditions

Symbol

Parameter

Min.

Max.

Unit

Load Capacitance

Input Rise and Fall Times

Input Pulse Voltages

0.2VCC to 0.8VCC

Input Timing Reference Voltages

0.3VCC to 0.7VCC

Output Timing Reference Voltages

VCC / 2

AI07455

0.8VCC

0.2VCC

0.7VCC

0.3VCC

Input and Output

Timing Reference Levels

Input Levels

0.5VCC

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