M29W400DT70ZE6E NUMONYX, M29W400DT70ZE6E Datasheet - Page 14

• Manufacturer Part Number: M29W400DT70ZE6E
• Description: IC FLASH 4MBIT 70NS 48TFBGA
• Manufacturer: NUMONYX
• Series: Axcell™r

Specifications of M29W400DT70ZE6E

• Format - Memory: FLASH
• Memory Type: FLASH - Nor
• Memory Size: 4M (512K x 8 or 256K x 16)
• Speed: 70ns
• Interface: Parallel
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-TFBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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Write Enable (W)
The Write Enable, W, controls the Bus Write operation of the memory’s command interface.
Reset/Block Temporary Unprotect (RP)
The Reset/Block Temporary Unprotect pin can be used to apply a hardware reset to the
memory or to temporarily unprotect all blocks that have been protected.
A hardware reset is achieved by holding Reset/Block Temporary Unprotect Low, V
least t
ready for Bus Read and Bus Write operations after t
See the Ready/Busy output section,
characteristics
details.
Holding RP at V
and Erase operations on all blocks will be possible. The transition from V
slower than t
Ready/Busy output (RB)
The Ready/Busy pin is an open-drain output that can be used to identify when the memory
array can be read. Ready/Busy is high-impedance during Read mode, Auto Select mode
and Erase Suspend mode.
After a Hardware Reset, Bus Read and Bus Write operations cannot begin until Ready/Busy
becomes high-impedance. See
characteristics
During Program or Erase operations Ready/Busy is Low, V
during Read/Reset commands or hardware resets until the memory is ready to enter Read
mode.
Byte/Word Organization Select (BYTE)
The Byte/Word Organization Select pin is used to switch between the 8-bit and 16-bit Bus
modes of the memory. When Byte/Word Organization Select is Low, V
bit mode, when it is High, V
PLPX
. After Reset/Block Temporary Unprotect goes High, V
PHPHH
and
and
ID
will temporarily unprotect the protected blocks in the memory. Program
.
Figure 14: Reset/Block Temporary Unprotect AC
Figure 14: Reset/Block Temporary Unprotect AC
IH
, the memory is in 16-bit mode.
Table 15: Reset/Block Temporary Unprotect AC
Table 15: Reset/Block Temporary Unprotect AC
PHEL
or t
OL
RHEL
. Ready/Busy will remain Low
IH
, whichever occurs last.
, the memory will be
waveforms, for more
waveforms.
IL
, the memory is in 8-
IH
to V
ID
must be
IL
, for at