RC28F640J3A120 Intel, RC28F640J3A120 Datasheet - Page 49

• 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

13.4
Datasheet
Table 21. Byte-Wide Protection Register Addressing (Sheet 2 of 2)
Array Protection
The V
below the V
operation, V
operation, poll the Status Register and analyze the bits.
NOTE: All address lines not specified in the above table must be 0 when accessing the Protection Register,
A
B
C
D
E
6
7
8
9
F
PEN
i.e.g., A[MAX:9] = 0.
Factory
Factory
signal is a hardware mechanism to prohibit array alteration. When the V
User
User
User
User
User
User
User
User
PENLK
PEN
must be set to a valid voltage level. To determine the status of an erase or program
voltage, array contents cannot be altered. To ensure a proper erase or program
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
28F256J3, 28F128J3, 28F640J3, 28F320J3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
1
1
1
1
0
0
PEN
0
0
1
1
0
0
1
1
0
0
voltage is
0
1
0
1
0
1
0
1
0
1
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