M29DW128F70NF1 datasheet(8/94 Pages) NUMONYX

Part #	M29DW128F70NF1

Description	128 Mbit (16Mb x8 or 8Mb x16, Multiple Bank, Page, Boot Block) 3V supply Flash memory

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Manufacturer	NUMONYX [Numonyx B.V]

Direct Link	http://www.numonyx.com

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Summary description

M29DW128F

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1

Summary description

The M29DW128F is a 128 Mbit (16Mb x8 or 8Mb x16) non-volatile memory that can be

read, erased and reprogrammed. These operations can be performed using a single low

voltage (2.7 to 3.6V) supply. At Power-up the memory defaults to its Read mode.

The M29DW128F features an asymmetrical block architecture, with 16 parameter and 254

main blocks, divided into four Banks, A, B, C and D, providing multiple Bank operations.

While programming or erasing in one bank, read operations are possible in any other bank.

The bank architecture is summarized in

Table 2. Eight of the Parameter Blocks are at the top

of the memory address space, and eight are at the bottom.

Program and Erase commands are written to the Command Interface of the memory. An on-

chip Program/Erase Controller simplifies the process of programming or erasing the

memory by taking care of all of the special operations that are required to update the

memory contents. The end of a program or erase operation can be detected and any error

conditions identified. The command set required to control the memory is consistent with

JEDEC standards. The Chip Enable, Output Enable and Write Enable signals control the

bus operations of the memory. They allow simple connection to most microprocessors, often

without additional logic.

The device supports Asynchronous Random Read and Page Read from all blocks of the

memory array.

The M29DW128F has one extra 256 byte block (Extended Block) that can be accessed

using a dedicated command. The Extended Block can be protected and so is useful for

storing security information. However the protection is irreversible, once protected the

protection cannot be undone.

Each block can be erased independently, so it is possible to preserve valid data while old

data is erased.

The device features four different levels of hardware and software block protection to avoid

unwanted program or erase (modify). The software block protection features are available in

16 bit memory organization only:

●

Hardware Protection:

–The VPP/WP provides a hardware protection of the four outermost parameter

blocks (two at the top and two at the bottom of the address space).

–The RP pin temporarily unprotects all the blocks previously protected using a High

Voltage Block Protection technique (see

Appendix D: High Voltage Block

Protection).

●

Software Protection

–

Standard Protection

–

Password Protection

The memory is offered in TSOP56 (14 x 20mm) and TBGA64 (10 x 13mm, 1mm pitch)

packages. The 8-bit Bus mode is only available when the M29DW128F is delivered in

TSOP56 package. In order to meet environmental requirements, Numonyx offers the

M29DW128F in ECOPACK® packages. ECOPACK packages are Lead-free. The category of

second Level Interconnect is marked on the package and on the inner box label, in

compliance with JEDEC Standard JESD97. The maximum ratings related to soldering

conditions are also marked on the inner box label. The memory is supplied with all the bits

erased (set to ’1’).

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Manufacturer	Part #	Datasheet	Description
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Manufacturer	Part #	Datasheet	Description
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