RC28F640J3A120 Intel, RC28F640J3A120 Datasheet - Page 48

• 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

28F256J3, 28F128J3, 28F640J3, 28F320J3
48
Figure 17. Protection Register Memory Map
Table 20. Word-Wide Protection Register Addressing
Table 21. Byte-Wide Protection Register Addressing (Sheet 1 of 2)
NOTE: A0 is not used in x16 mode when accessing the Protection Register map (See
LOCK
LOCK
LOCK
Word
Byte
0
1
2
3
4
5
6
7
0
1
2
3
4
5
addressing). For x8 mode A0 is used (See
Factory
Factory
Factory
Factory
Factory
Factory
Factory
Factory
Factory
Factory
Both
User
User
User
User
Both
Both
Use
Use
Address
A8
A8
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Word
0x88
0x85
0x84
0x81
0x80
A7
A7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
15 14 13 12 11 10 9
128-Bit Protection Register 0
A[24:1]: 256 Mbit
A[23:1]: 128 Mbit
(Factory-Programmed)
(User-Programmable)
A6
A6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
64-bit Segment
64-bit Segment
Lock Register 0
Table 21
8
A5
A5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
6
for x8 addressing).
5
4
A4
A4
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
A[22:1]: 64 Mbit
A[21:1]: 32 Mbit
3
2
1
0
A3
A3
0
0
0
0
1
1
1
1
0
0
0
0
0
0
0
0
0
A2
A2
0
0
1
1
0
0
1
1
0
0
0
0
0
1
1
1
1
Table 8
A1
A1
0
1
0
1
0
1
0
1
0
0
0
1
1
0
0
1
1
for x16
Datasheet
A0
0
1
0
1
0
1
0
1