IS25LQ016-JKLE-TR ISSI, IS25LQ016-JKLE-TR Datasheet - Page 33

• Manufacturer Part Number: IS25LQ016-JKLE-TR
• Description: Flash 16M 2.3-3.6V 104Mhz Serial Flash
• Manufacturer: ISSI

Specifications of IS25LQ016-JKLE-TR

• Rohs: yes
• Data Bus Width: 8 bit
• Memory Type: Flash
• Memory Size: 16 Mbit
• Architecture: Uniform
• Timing Type: Synchronous
• Interface Type: SPI
• Supply Voltage - Max: 3.6 V
• Supply Voltage - Min: 2.3 V
• Maximum Operating Current: 12 mA
• Operating Temperature: - 40 C to + 105 C
• Mounting Style: SMD/SMT
• Package / Case: WSON-8
• Organization: 2048 K x 8

DEVICE OPERATION (CONTINUED)
To lock the OTP memory:
Bit 0 of the OTP control byte, that is byte 256, is used to permanently lock the OTP memory array.
cannot be programmed anymore.
Once a bit of the OTP memory has been programmed to ‘0’, it can no longer be set to ‘1’.
Therefore, as soon as bit 0 of byte 256 (control byte) is set to ‘0’, the 256 bytes of the OTP
memory array become read-only in a permanent way.
Any program OTP (POTP) instruction issued while an erase, program or write cycle is in
progress is rejected without having any effect on the cycle that is in progress
Integrated Silicon Solution, Inc.- www.issi.com
Rev. 0A
2/1/2013
When bit 0 of byte 256 = ’1’, the 256 bytes of the OTP memory array can be programmed.
When bit 0 of byte 256 = ‘0’, the 256 bytes of the OTP memory array are read-only and
Byte1 Byte2
X
X
Bit 1~bit 7 do not care
X
X
X
X
Byte255
X
OTP control byte
Byte256
Bit 0
When bit 0 = 0
the 256 OTP bytes
become read only
IS25LQ016
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