SA25C020LEMLF Ver la hoja de datos (PDF) - Unspecified

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SA25C020LEMLF

2Mb EEPROM with 25MHz SPI Bus Interface

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List of Figures

Figure 1. SA25C020 Block Diagram................................ 5

Figure 2. SOIC 8 (150 mil)/PDIP/MLF Package

(Top View) ............................................................. 6

Figure 3. SA25C020 Ordering Information ...................... 7

Figure 4. SPI Mode 0 (0,0) Input Timing........................ 11

Figure 5. SPI Mode 0 (0,0) Output Timing ..................... 11

Figure 6. AC Measurements I/O Waveform................... 12

Figure 7. Supported SPI Modes .................................... 14

Figure 8. Hold Condition................................................ 15

Figure 9. SPI Serial Interface ........................................ 17

Figure 10. Read Status Register (RDSR) Instruction

Sequence ............................................................ 19

Figure 11. Write Enable (WREN) Instruction Sequence 20

Figure 12. Write Disable (WRDI) Instruction Sequence. 20

Figure 13. Write Status Register (WRSR) Instruction

Sequence ............................................................ 22

Figure 14. Read (READ) Instruction Sequence ............. 23

Figure 15. Byte or Page Write (PW) Instruction

Sequence ............................................................ 25

SA25C020 Advanced Information

SAIFUN

4

Figure 16. Read Electronic Signature (Read Id) Instruction

Sequence ............................................................ 26

Figure 17. 8-pin SOIC Package..................................... 28

Figure 18. 8-pin MLF Leadless Package ....................... 29

Figure 19. Molded Dual-in-line Package (N) Package

Number N08E...................................................... 30

List of Tables

Table 1. Pin Names......................................................... 6

Table 2. DC Characteristics............................................. 9

Table 3. AC Test Conditions.......................................... 10

Table 4. AC Measurements........................................... 12

Table 5. Instruction Set ................................................. 17

Table 6. Status Register Format.................................... 17

Table 7. Read Status Register Definition....................... 18

Table 8. Block Write Protect Bits................................... 21

Table 9. WPBEN Operation .......................................... 21

Table 10. Powerup ........................................................ 27

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