AT26DF081A-SSU【PDF 32/40 页】IC FLASH 8MBIT 70MHZ 8SOIC

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Sheet目录312

28页 29页 30页 31页 [32页]33页 34页 35页 36页

12.4

AC Characteristics

Symbol

Parameter

Min

Max

Units

f SCK

f RDLF

t SCKH

t SCKL

Serial Clock (SCK) Frequency

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

SCK High Time

SCK Low Time

6.4

MHz

t SCKR

(1)

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

0.1

V/ns

t SCKF (1)

t CSH

t CSLS

t CSLH

t CSHS

t CSHH

t DS

t DH

t DIS (1)

t V (2)

t OH

t HLS

t HLH

t HHS

t HHH

t HLQZ (1)

t HHQX (1)

t WPS (1)(3)

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

Chip Select High Time

Chip Select Low Setup Time (relative to SCK)

Chip Select Low Hold Time (relative to SCK)

Chip Select High Setup Time (relative to SCK)

Chip Select High Hold Time (relative to SCK)

Data In Setup Time

Data In Hold Time

Output Disable Time

Output Valid Time

Output Hold Time

HOLD Low Setup Time (relative to SCK)

HOLD Low Hold Time (relative to SCK)

HOLD High Setup Time (relative to SCK)

HOLD High Hold Time (relative to SCK)

HOLD Low to Output High-Z

HOLD High to Output Low-Z

Write Protect Setup Time

0.1

V/ns

t WPH

(1)(3)

Write Protect Hold Time

100

t SECP (1)

t SECUP (1)

Sector Protect Time (from Chip Select High)

Sector Unprotect Time (from Chip Select High)

t EDPD

(1)

Chip Select High to Deep Power-down

μs

t RDPD (1)

Notes:

Chip Select High to Standby Mode

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

μs

2. 15 pF load at 70 MHz, 30 pF load at 66 MHz.

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

AT26DF081A

3600G–DFLASH–06/09

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