AT26F004 datasheet(29/38 Pages) ATMEL

29 / 38 page

3588C–DFLASH–04/06

AT26F004

Notes:

1. Specification only applies when using the 03h Read Array (Low Frequency) command.

2. Not 100% tested (value guaranteed by design and characterization).

3. Specification only applies when using the SPI Mode 3 timing.

4. Only applicable as a constraint for the Write Status Register command when SPRL = 1.

12.4

AC Characteristics

Symbol

Parameter

Min

Max

Units

SCK

Serial Clock (SCK) Frequency

MHz

RDLF

SCK Frequency for Read Array (Low Frequency – 03h opcode)

MHz

SCKH

SCK High Time

20(1)

SCKL

SCK Low Time

20(1)

tSCKR

(2)

SCK Rise Time, Peak-to-Peak (Slew Rate)

0.1

V/ns

SCKF

(2)

SCK Fall Time, Peak-to-Peak (Slew Rate)

0.1

V/ns

tCSH

Chip Select High Time

tCSLS

Chip Select Low Setup Time (relative to SCK)

tCSLH

Chip Select Low Hold Time (relative to SCK)

12(3)

CSHS

Chip Select High Setup Time (relative to SCK)

tCSHH

Chip Select High Hold Time (relative to SCK)

tDS

Data In Setup Time

Data In Hold Time

tOH

Output Hold Time

DIS

(2)

Output Disable Time

Output Valid Time

18(1)

HLS

HOLD Low Setup Time (relative to SCK)

tHLH

HOLD Low Hold Time (relative to SCK)

HHS

HOLD High Setup Time (relative to SCK)

HHH

HOLD High Hold Time (relative to SCK)

tHLQZ

(2)

HOLD Low to Output High-Z

HHQX

(2)

HOLD High to Output Low-Z

WPS

(2)(4)

Write Protect Setup Time

tWPH

(2)(4)

Write Protect Hold Time

100

SECP

(2)

Sector Protect Time (from Chip Select High)

SECUP

(2)

Sector Unprotect Time (from Chip Select High)

tEDPD

(2)

Chip Select High to Deep Power-down

µs

RDPD

(2)

Chip Select High to Standby Mode

µs

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