MX25L4005M2I-15G Просмотр технического описания (PDF) - Macronix International

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MX25L4005M2I-15G

4M-BIT [x 1] CMOS SERIAL FLASH

Macronix International 

MX25L4005

HOLD FEATURE

HOLD# pin signal goes low to hold any serial communications with the device. The HOLD feature will not stop the operation

of write status register, programming, or erasing in progress.

The operation of HOLD requires Chip Select(CS#) keeping low and starts on falling edge of HOLD# pin signal while Serial

Clock (SCLK) signal is being low (if Serial Clock signal is not being low, HOLD operation will not start until Serial Clock

signal being low). The HOLD condition ends on the rising edge of HOLD# pin signal while Serial Clock(SCLK) signal is

being low( if Serial Clock signal is not being low, HOLD operation will not end until Serial Clock being low), see Figure 1.

Figure 1. Hold Condition Operation

SCLK

HOLD#

Hold

Condition

(standard use)

Hold

Condition

(non-standard use)

The Serial Data Output (SO) is high impedance, both Serial Data Input (SI) and Serial Clock (SCLK) are don't care during

the HOLD operation. If Chip Select (CS#) signal goes high during HOLD operation, it has the effect on resetting the internal

logic of the device. It is necessary to drive HOLD# signal to high, and then to drive CS# to low for restarting communication

with the device.

P/N: PM1236

REV. 1.1, SEP. 30, 2005

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