PSD813F1A-90J STMicroelectronics, PSD813F1A-90J Datasheet - Page 26

• Manufacturer Part Number: PSD813F1A-90J
• Description: IC FLASH 1MBIT 90NS 52PLCC
• Manufacturer: STMicroelectronics

Specifications of PSD813F1A-90J

• Format - Memory: FLASH
• Memory Type: FLASH
• Memory Size: 1M (128K x 8)
• Speed: 90ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 52-PLCC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-1975-5

PSD813F1A
Figure 8. Software Data Protection Disable Flowchart
26/111
Page Write
Instruction
tWC (Write Cycle time)
Unprotected State
WRITE AAh to
Address AAAh
WRITE AAh to
Address AAAh
WRITE 55h to
WRITE 80h to
WRITE 55h to
WRITE 20h to
Address 555h
Address 555h
Address 555h
Address 555h
after
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