NAND08GAH0A NUMONYX [Numonyx B.V], NAND08GAH0A Datasheet - Page 82

• Manufacturer Part Number: NAND08GAH0A
• Manufacturer: NUMONYX [Numonyx B.V]

Timings
9.3.3
9.3.4
9.4
Figure 28. 4-bit system bus test procedure
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DAT2
DAT3
DAT4-7
CMD
DAT0
DAT1
CMD19
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Erase, Set and Clear Write Protect
The host must first select the groups to be erased using the ERASE_GROUP_START and
ERASE_GROUP_END commands (CMD35, CMD36). Once the ERASE command
(CMD38) is issued, all the selected erase groups are erased.
Similarly, SET_WRITE_PROT and CLR_WRITE_PROT commands start a write operation
as well. The device signals that it is busy by pulling the DAT0 line low for the duration of the
erase or program operation. The timing diagrams are identical to the
STOP_TRANSMISSION diagrams described in
Reselecting a busy device
When a busy device which is currently in the disable state is reselected, it reinstate its busy
signalling on the data line DAT0. The timing diagram for the command/response/busy
transaction is given in
Bus test procedure timing
When in transfer state, the host can initiate a bus test procedure. This is done by issuing
CMD19 command to the device. If there is no response to the CMD19, the host may
assume that this function is not supported by the device and should read the status from the
device by sending a CMD13 command.
* * * * * *
* * * * * *
* * * * * *
* * * * * *
* * * * * *
RSP19
Z
Z
Z
Z
Z
N
Z Z
Z Z
Z Z
Z Z
Z Z
WR
S 10
S 01
Z Z
S 10
S 01
***
XXX
XXX
XXX
XXX
Z Z
Figure
E Z
E Z
Z Z
E
E Z
Z
N
Z
Z
Z
Z
Z
27.
RC
CMD14 RSP14
* * * * * *
* * * * * *
* * * * * *
* * * * * *
* * * * * *
Z
Z
Z
Z
Z
N
Z Z
Z Z
Z Z
Figure
Z Z
Z Z
AC
S
S
S
S
S
01
10
01
10
01
27.
NAND08GAH0A, NAND16GAH0D
000000 CRC16 E Z
000000 CRC16 E Z
000000 CRC16 E Z
000000 CRC16 E Z
000000 CRC16 E Z
N
Z * * * * * *
Z * * * * * *
Z * * * * * *
Z * * * * * *
Z * * * * * *
AC
CMD6 RSP6
Z
Z
Z
Z
Z
AI13606
Z Z
Z Z
Z Z
Z Z
Z Z