AT26F004-SSU ATMEL [ATMEL Corporation], AT26F004-SSU Datasheet - Page 29

• Manufacturer Part Number: AT26F004-SSU
• Description: 4-megabit 2.7-volt Only Serial Firmware DataFlash Memory
• Manufacturer: ATMEL [ATMEL Corporation]

12.4
Notes:
3588A–DFLSH–10/05
Symbol
f
f
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
SCK
RDLF
SCKH
SCKL
SCKR
SCKF
CSH
CSLS
CSLH
CSHS
CSHH
DS
DH
OH
DIS
V
HLS
HLH
HHS
HHH
HLQZ
HHQX
WPS
WPH
SECP
SECUP
EDPD
RDPD
(1)
(1)(3)
(1)(3)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
AC Characteristics
1. Not 100% tested (value guaranteed by design and characterization).
2. Specification only applies when using the 03h Read Array (Low Frequency) command.
3. Only applicable as a constraint for the Write Status Register command when SPRL = 1.
Parameter
Serial Clock (SCK) Frequency
SCK Frequency for Read Array (Low Frequency – 03h opcode)
SCK High Time
SCK Low Time
SCK Rise Time, Peak-to-Peak (Slew Rate)
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 Hold Time
Output Disable Time
Output Valid 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
Write Protect Hold Time
Sector Protect Time (from Chip Select High)
Sector Unprotect Time (from Chip Select High)
Chip Select High to Deep Power-down
Chip Select High to Standby Mode
20
20
Min
100
0.1
0.1
13
13
50
20
5
5
5
5
3
3
0
5
5
5
5
(2)
(2)
AT26F004
Max
18
33
20
10
12
20
20
9
9
3
3
(2)
Units
MHz
MHz
V/ns
V/ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
µs
29