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M95040-125
ST M95040-125 Manuals
Manuals and User Guides for ST M95040-125. We have
1
ST M95040-125 manual available for free PDF download: User Manual
ST M95040-125 User Manual (36 pages)
Automotive 4-Kbit, 2-Kbit and 1-Kbit SPI bus EEPROM
Brand:
ST
| Category:
Automobile Accessories
| Size: 0 MB
Table of Contents
Table of Contents
2
Description
6
Figure 1. Logic Diagram
6
Figure 2. 8-Pin Package Connections
6
Table 1. Signal Names
7
Signal Description
8
Serial Data Output (Q)
8
Serial Data Input (D)
8
Serial Clock (C)
8
Chip Select (S)
8
Hold (HOLD)
8
Write Protect (W)
9
VSS Ground
9
Supply Voltage (VCC )
9
Supply Voltage
9
Operating Supply Voltage V
9
Device Reset
9
Power-Up Conditions
10
Power-Down
10
Connecting to the SPI Bus
11
Figure 3. Bus Master and Memory Devices on the SPI Bus
11
SPI Modes
12
Figure 4. SPI Modes Supported
12
Operating Features
13
Hold Condition
13
Status Register
13
Figure 5. Hold Condition Activation
13
Data Protection and Protocol Control
14
Memory Organization
15
Figure 6. Block Diagram
15
Instructions
16
Write Enable (WREN)
16
Table 3. Instruction Set
16
Figure 7. Write Enable (WREN) Sequence
16
Write Disable (WRDI)
17
Figure 8. Write Disable (WRDI) Sequence
17
Read Status Register (RDSR)
18
WIP Bit
18
WEL Bit
18
BP1, BP0 Bits
18
Table 2. Write-Protected Block Size
18
Table 4. Status Register Format
18
Figure 9. Read Status Register (RDSR) Sequence
19
Write Status Register (WRSR)
20
Figure 10. Write Status Register (WRSR) Sequence
20
Read from Memory Array (READ)
21
Table 5. Address Range Bits
21
Figure 11. Read from Memory Array (READ) Sequence
21
Write to Memory Array (WRITE)
22
Figure 12. Byte Write (WRITE) Sequence
22
Figure 13. Page Write (WRITE) Sequence
23
Power-Up and Delivery States
24
Power-Up State
24
Initial Delivery State
24
Maximum Rating
25
Table 6. Absolute Maximum Ratings
25
DC and AC Parameters
26
Table 7. Operating Conditions (M950X0, Device Grade 3)
26
Table 8. Operating Conditions (M950X0-W, Device Grade 3)
26
Table 9. AC Test Measurement Conditions
26
Figure 14. AC Test Measurement I/O Waveform
26
Table 10. Capacitance
27
Table 11. DC Characteristics (M950X0, Device Grade 3)
27
Table 12. DC Characteristics (M950X0-W, Device Grade 3)
27
Table 13. AC Characteristics (M950X0, Device Grade 3)
28
Table 14. AC Characteristics (M950X0-W, Device Grade 3)
29
Figure 15. Serial Input Timing
30
Figure 16. Hold Timing
30
Figure 17. Serial Output Timing
31
Package Mechanical Data
32
Table 15. SO8N - 8-Lead Plastic Small Outline, 150 Mils Body Width, Package
32
Figure 18. SO8N - 8-Lead Plastic Small Outline 150 Mils Body Width, Package Outline
32
Table 16. TSSOP8 - 8-Lead Thin Shrink Small Outline, Package Mechanical Data
33
Figure 19. TSSOP8 - 8-Lead Thin Shrink Small Outline, Package Outline
33
Part Numbering
34
Table 17. Ordering Information Scheme
34
Revision History
35
Table 18. Document Revision History
35
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