S25FL002D0FNAI013 datasheet(11/38 Pages) SPANSION

Part #	S25FL002D0FNAI013

Description	2 Megabit, 1 Megabit CMOS 3.0 Volt Flash Memory with 25 MHz SPI Bus Interface

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Manufacturer	SPANSION [SPANSION]

Direct Link	http://www.spansion.com

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June 9, 2004 30167A+1

S25FL Family (Serial Peripheral Interface)

11

Pre limin ary

I n f o r m a t ion

To enter the Hold condition, the device must be selected, with Chip Select (CS#)

Low. The Hold condition starts on the falling edge of the Hold (HOLD#) signal,

provided that this coincides with Serial Clock (SCK) being Low (as shown in Figure

3).

The Hold condition ends on the rising edge of the Hold (HOLD#) signal, provided

that this coincides with Serial Clock (SCK) being Low.

If the falling edge does not coincide with Serial Clock (SCK) being Low, the Hold

condition starts after Serial Clock (SCK) next goes Low. Similarly, if the rising

edge does not coincide with Serial Clock (SCK) being Low, the Hold condition ends

after Serial Clock (SCK) next goes Low (Figure 3). During the Hold condition, the

Serial Data Output (SO) is high impedance, and Serial Data Input (SI) and Serial

Clock (SCK) are Don’t Care.

Normally, the device remains selected, with Chip Select (CS#) driven Low, for the

entire duration of the Hold condition. This ensures that the state of the internal

logic remains unchanged from the moment of entering the Hold condition.

Note: Driving Chip Select (CS#) high while HOLD# is still low is not a

valid operation.

Figure 3. Hold Condition Activation

SCK

HOLD#

Hold

Condition

(standard use)

Hold

Condition

(non-standard use)

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