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PDF AN1116 Data sheet ( Hoja de datos )
| Número de pieza | AN1116 | |
| Descripción | CHANGING FROM THE ST95P08 TO THE M95080 IN YOUR APPLICATION USING A SIMPLE SOFTWARE RECOGNITION METHOD | |
| Fabricantes | ST Microelectronics | |
| Logotipo |  |
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AN1116
APPLICATION NOTE
Changing from the ST95P08 to the M95080 in Your Application
Using a Simple Software Recognition Method
The members of the new M95xxx, SPI serial-bus, EEPROM chips offer features that were not available
with the ST95xxx family. Table 1 summarizes the main differences between the new 8 Kbit M95080 mem-
ory, and the ST95P08, by way of example.
This document is aimed at helping the designer to convert designs from using the ST95P08 to using the
M95080. It concludes by indicating a simple algorithm that can be used in the application software to de-
www.DataStehecettw4Uh.cicohmof the two devices is being used.
Table 1. Differences and Improvements
(Functional and Electrical) Between the ST95P08 and the M95080
ST95P08
M95080
Memory capacity
8 Kbit
8 Kbit
Supply range (VCC)
3 V to 5.5 V
4.5 V to 5.5 V
2.5 V to 5.5 V
1.8 V to 3.6 V
Clock frequency (fMAX)
2 MHz
5 MHz
Temperature range
-40 to 85 °C
-40 to 85 °C (6)
-20to 85 °C (5)
-40 to 125 °C (3)
Page size
16 Bytes
32 Bytes
Number of address bytes
1
2
Block protection (BP1,BP0)
yes
yes
ICC stand-by
50 µA at 5.5 V
10 µA at 3 V
10 µA at 5 V
2 µA at 2.5 V
1 µA at 1.8 V
ICC operating
2 mA at 2 MHz
4 mA at 2 or 5 MHz at 5 V
2 mA at 2 MHz at 5 V
2 mA at 1 MHz at 1.8 V
W feature (write control)
Hardware write protection of the entire
memory array.
Hardware write protection of the BPn
protected area, and of the status register
Status register format
1 1 1 1 BP1 BP0 WEL WIP
SRWD XXX BP1 BP0 WEL WIP
Write cycle time (max.)
10 ms
10 ms
Instruction format
0 0 0 X2 X1 I2 I1 I0
0 0 0 0 0 I2 I1 I0
February 1999
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1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet AN1116.PDF ] | |
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