RC28F640J3A120 Intel, RC28F640J3A120 Datasheet - Page 59

• Manufacturer Part Number: RC28F640J3A120
• Manufacturer: Intel

Specifications of RC28F640J3A120

• Cell Type: NOR
• Density: 64Mb
• Access Time (max): 120ns
• Interface Type: Parallel
• Boot Type: Not Required
• Address Bus: 23/22Bit
• Operating Supply Voltage (typ): 3/3.3V
• Operating Temp Range: -40C to 85C
• Package Type: EZBGA
• Program/erase Volt (typ): 2.7 to 3.6V
• Sync/async: Asynchronous
• Operating Temperature Classification: Industrial
• Operating Supply Voltage (min): 2.7V
• Operating Supply Voltage (max): 3.6V
• Word Size: 8/16Bit
• Number Of Words: 8M/4M
• Mounting: Surface Mount
• Pin Count: 64
• Lead Free Status / Rohs Status: Not Compliant

Appendix B Flow Charts
Datasheet
Figure 18. Write to Buffer Flowchart
- Fill write buffer up to word count
- Address = within buffer range
- Data = user data
- Perform read operation
- Read Ready Status on signal SR7
- Address = block address
- Data = word count minus 1
(Valid range = 0x00 to 0x1F)
Check Buffer Status
Full Status Register
- Write 0xE8
- Block Address
- Write 0xD0
- Block address
Register (SR)
Word Count
Read Status
Load Buffer
(if desired)
SR7 = 1?
SR7 = 1?
Confirm
Check
Setup
Start
End
Yes
28F256J3, 28F128J3, 28F640J3, 28F320J3
Yes
No
No
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