TC58FVM7T5BTG65 Toshiba, TC58FVM7T5BTG65 Datasheet - Page 17

• Manufacturer Part Number: TC58FVM7T5BTG65
• Description: IC FLASH 128MBIT 65NS 56TSOP
• Manufacturer: Toshiba

Specifications of TC58FVM7T5BTG65

• Format - Memory: FLASH
• Memory Type: FLASH - Nor
• Memory Size: 128M (16Mx8, 8Mx16)
• Speed: 65ns
• Interface: Parallel
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 56-TSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Lock is set, the PPBs are disabled for modification by Block Protection 3. After Power-up cycle and Hardware Reset again,
PPB Lock becomes ‘0’ as clear. In Non-Password Protection Mode, Password Unlock command is ignored.
10.18.3. Non-Password Protection Mode and Password Protection Mode
Operation of a PPB lock differs in each mode. The hosts need to choose either Non-Password Protection Mode or Password
Protection Mode before using of this device.
Mode Lock Command sets the device to Password Protection Mode. The respective program command can be executed only
once, and Mode Lock Erase is impossible. At the shipment, the Non-Password Protection Mode and the Password Protection
Mode aren’t set state. In the case of using Non-Password Protection Mode, the hosts have to execute a Non-Password
Protection Mode Lock in order to prevent the device from being changed to Password Protection Mode. In the case of using
Password Protection Mode, the hosts have to execute a Password Protection Mode Lock. Once a Protection Mode is set, it is
not eternally changeable.
10.18.4. PPB Lock in Non-Password Protection Mode and Password Protection Mode
Protection Mode is set, PPB is disabled for modification by PPB Set and Clear without the Password Unlock command. The
state of PPB Lock doesn’t differ before and after Password Protection Mode Lock Command. PPB Lock is set again by
power-up cycle, Hardware Reset, or PPB lock Set. In Password Protection Mode, Password Program command and Password
Verify command is permanently ignored. Therefore, when the user chooses the Password Protection Mode, it is necessary to
program a 64-bit password to this device before performing a password protection mode lock command. After Password
program command, the user has to check by Password Verify command whether the desired Password is certainly
programmed. Once Password Protection Mode was set, the user cannot check the Password. At modifying PPB, the user has
to use the Password Unlock command with a 64-bit password. Please set a Password certainly.
are Protection Mode Verify command. When the Protection Mode Lock (Set) is completely finished, the device will output ‘1’ on
DQ0 at the sixth bus write cycle. When the device is outputting ‘0’ on DQ0, the Protection Mode Lock (Set) is not complete,
then the hosts must retry from fourth bus write cycle.
PPB Lock Status change method of the each Protection Mode
After Power-up cycle
and Hardware Reset
PPB Lock Set
PPB Lock Clear
PPB Lock Status of the Non-Password Protection Mode and the Password Protection Mode
Non-Password Protection
In the case of Non-Password Protection Mode, the PPB Lock is cleared by power-up cycle and Hardware Reset. When PPB
At Block Protection 3, there are two Protection Mode of Non-Password Protection Mode and Password Protection Mode.
Non-Password Protection Mode Lock Command sets the device to Non-Password Protection Mode. Password Protection
In the case of Password Protection Mode, the PPB Lock is set by power-up cycle and Hardware Reset. Once Password
After latching the fourth bus write cycle command of " 68h", the hosts have to wait 100us. The 5th and 6th write bus cycles
When the Protection Mode Lock (Set) is finished, the hosts have to execute the Hidden ROM Exit command.
Programmed (“1”)
Programmed (“1”)
Mode Lock
0
0
Non-Password Protection Mode
Non-Password Protection Mode
Password Protection
PPB Lock is ‘0’ (clear)
Programmed (“1”)
Programmed (“1”)
Hardware Reset
Power-up cycle
PPB Lock Set
Mode Lock
0
0
Non-Password Protection Mode (At Shipment)
Password Unlock Command
Password Protection Mode
Password Protection Mode
Non-Password Protection Mode
Password Protection Mode
PPB Lock is ‘1’ (set)
PPB Set Command
Hardware Reset
Power-up cycle
Device Status
TC58FVM7(T/B)5B(TG/XG)65
Inhibit
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