HY29LV400TF70I datasheet(5/40 Pages) HYNIX

Part #	HY29LV400TF70I

Description	4 Mbit (512K x 8/256K x 16) Low Voltage Flash Memory

Download	40 Pages

Scroll/Zoom	100%

Manufacturer	HYNIX [Hynix Semiconductor]

Direct Link	http://www.skhynix.com/kor/main.do

Logo

5 / 40 page

5

Rev. 1.0/Nov. 01

HY29LV400

CONVENTIONS

Unless otherwise noted, a positive logic (active

High) convention is assumed throughout this docu-

ment, whereby the presence at a pin of a higher,

more positive voltage (V

IH) causes assertion of the

signal. A ‘#’ symbol following the signal name, e.g.,

RESET#, indicates that the signal is asserted in

the Low state (V

IL).

See DC specifications for V

IH

and V

IL values.

Whenever a signal is separated into numbered

bits, e.g., DQ[7], DQ[6], ..., DQ[0], the family of

bits may also be shown collectively, e.g., as

DQ[7:0].

The designation 0xNNNN (N = 0, 1, 2, . . . , 9, A, .

. . , E, F) indicates a number expressed in hexadeci-

mal notation. The designation 0bXXXX indicates a

number expressed in binary notation (X = 0, 1).

MEMORY ARRAY ORGANIZATION

The 4 Mbit Flash memory array is organized into

eleven blocks called sectors (S0, S1, . . . , S10).

A sector is the smallest unit that can be erased

and that can be protected to prevent accidental or

unauthorized erasure. See the ‘Bus Operations’

and ‘Command Definitions’ sections of this docu-

ment for additional information on these functions.

In the HY29LV400, four of the sectors, which com-

prise the boot block, vary in size from 8 to 32

Kbytes (4 to 16 Kwords), while the remaining

seven sectors are uniformly sized at 64 Kbytes

(32 Kwords). The boot block can be located at

the bottom of the address range (HY29LV400B)

or at the top of the address range (HY29LV400T).

Tables 1 and 2 define the sector addresses and

corresponding address ranges for the top and bot-

tom boot block versions of the HY29LV400.

BUS OPERATIONS

Device bus operations are initiated through the

internal command register, which consists of sets

of latches that store the commands, along with

the address and data information, if any, needed

to execute the specific command. The command

register itself does not occupy any addressable

memory location. The contents of the command

register serve as inputs to an internal state ma-

chine whose outputs control the operation of the

device. Table 3 lists the normal bus operations,

the inputs and control levels they require, and the

resulting outputs. Certain bus operations require

a high voltage on one or more device pins. Those

are described in Table 4.

Read Operation

Data is read from the HY29LV400 by using stan-

dard microprocessor read cycles while placing the

byte or word address on the device’s address in-

puts. The host system must drive the CE# and

OE# pins LOW and drive WE# high for a valid read

operation to take place. The BYTE# pin determines

whether the device outputs array data in words

(DQ[15:0]) or in bytes (DQ[7:0]).

The HY29LV400 is automatically set for reading

array data after device power-up and after a hard-

ware reset to ensure that no spurious alteration of

the memory content occurs during the power tran-

sition. No command is necessary in this mode to

obtain array data, and the device remains enabled

for read accesses until the command register con-

tents are altered.

This device features an Erase Suspend mode.

While in this mode, the host may read the array

data from any sector of memory that is not marked

for erasure. If the host reads from an address

within an erase-suspended (or erasing) sector, or

while the device is performing a byte or word pro-

gram operation, the device outputs status data

instead of array data. After completing an Auto-

matic Program or Automatic Erase algorithm within

a sector, that sector automatically returns to the

read array data mode. After completing a program-

ming operation in the Erase Suspend mode, the

system may once again read array data with the

same exception noted above.

The host must issue a hardware reset or the soft-

ware reset command to return a sector to the read

array data mode if DQ[5] goes high during a pro-

gram or erase cycle, or to return the device to the

read array data mode while it is in the Electronic

ID mode.

Similar Part No. - HY29LV400TF70I

Manufacturer	Part #	Datasheet	Description
Hynix Semiconductor	HY29LV160	517Kb / 48P	16 Mbit (2M x 8/1M x 16) Low Voltage Flash Memory
	HY29LV160BF-12	517Kb / 48P	16 Mbit (2M x 8/1M x 16) Low Voltage Flash Memory
	HY29LV160BF-12I	517Kb / 48P	16 Mbit (2M x 8/1M x 16) Low Voltage Flash Memory
	HY29LV160BF-70	517Kb / 48P	16 Mbit (2M x 8/1M x 16) Low Voltage Flash Memory
	HY29LV160BF-70I	517Kb / 48P	16 Mbit (2M x 8/1M x 16) Low Voltage Flash Memory

More results

Similar Description - HY29LV400TF70I

Manufacturer	Part #	Datasheet	Description
Elite Semiconductor Mem...	F49L400UA	387Kb / 47P	4 Mbit (512K x 8/256K x 16) 3V Only CMOS Flash Memory
Intel Corporation	28F400BX-TB	559Kb / 50P	4-MBIT (256K X 16, 512K X 8) BOOT BLOCK FLASH MEMORY FAMILY
Hynix Semiconductor	HY29LV800	556Kb / 40P	8 Mbit (1M x 8/512K x 16) Low Voltage Flash Memory
Intel Corporation	A28F400BR-TB	457Kb / 36P	4-MBIT (256K X 16, 512K X 8) SmartVoltage BOOT BLOCK FLASH MEMORY FAMILY
Intel Corporation	28F400BV-TB	706Kb / 57P	4-MBIT (256K X 16, 512K X 8)SmartVoltage BOOT BLOCK FLASH MEMORY FAMILY
ATMEL Corporation	AT49F004	243Kb / 15P	4-Megabit 512K x 8/ 256K x 16 CMOS Flash Memory
ATMEL Corporation	AT49BV004	241Kb / 15P	4-Megabit 512K x 8/ 256K x 16 CMOS Flash Memory
Cypress Semiconductor	CY14B104L	664Kb / 22P	4-Mbit (512K x 8/256K x 16) nvSRAM
	CY14B104L	797Kb / 25P	4 Mbit (512K x 8/256K x 16) nvSRAM
	CY14E104L	649Kb / 22P	4 Mbit (512K x 8/256K x 16) nvSRAM

More results

HY29LV400TF70I Datasheet(PDF) 5 Page - Hynix Semiconductor

HY29LV400TF70I Datasheet(HTML) 5 Page - Hynix Semiconductor

Similar Part No. - HY29LV400TF70I

Similar Description - HY29LV400TF70I

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40

Datasheet Download

Link URL