High temperature NAND-Flash

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High temperature NAND-Flash

Introduction：The  chip  is  high-temperature  NAND-Flash  memory,  with  fast  reading  and  writing,  high  reliability,  excellent performance characteristics under both of high and low temperature. It can Operate in -45  ℃ ~  175  ℃ in harsh environment for Long-term. Noted: (  Capacity: 4GA, no magnet, no encryption).

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Product Introduction:

Model

Voltage

Structure

Package

LDMF1GA

2.7V~3.6V

1G x 8 bit

DIP16

LDMF4GA

2.7V~3.6V

4G x 8 bit

DIP16


Features:

Operating temperature：

The highest operating current： 

Standby current：

Operating Voltage Range(Vcc)： 

Input High level (V)：

Input Low level (V)：

Output High level (V)：

Output Low level (V)：

High temperature data hold time：

Operating life:

Read/write Rate：

Package：

﹣45℃ ~ ﹢175℃

90mA

＜2mA

2.7 V ～ 3.6 V

0.8Vcc ～ Vcc﹢0.3 

﹣0.3 ～ 0.2Vcc

2.4 ～ Vcc   

﹣0.3 ～ 0.4 

≥500h

≥2000h

2.8 ms/page read      2. 15ms/page write 

16 PIN DIP PB-Free Package


Application:

Pin Description：

Technical Specification：

PIN

Functional description

 

IO0 ～ IO7

Multiplexed input / output

The bidirectional I/Os transfer address, data, and command information.

— —

When CE pin is high ，the I/Os is High impedance.

 

 

CLE

Command Latch Enable

When CLE is high, the command is latched into  the command register through the IO port on the rising edge of the WEsignal.

 

ALE

Address Latch Enable

When ALE is high ，the address is latched    into the address register through the IO port on the rising edge of the WEsignal.

 

CE

Chip Enable

Enables or disables the chip.

 

 

 

RE

Read Enable

Control the output of serial data. When the signal is low, the data is driven

— —

to the IO port. Data is valid after tREA time on the falling edge of RE, and the internal column address counter is incremented automatically.

 

 

WE

Write Enable

Control the input of serial data ，command, address and data is latched on

— —

the WE Rising edge.


 

 

R/B

 

Ready/Busy output

Indicates the device operating state. When low, indicates that

programming, erase, or random read operation is in progress, when high, indicates that no operation or operation is finished. It is recommended to connect a pull-up resistor (4.7K~ 10K) to the pin.

Vcc

Power Supply

Vss

GND


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