4 ac characteristics – Rainbow Electronics AT25DF041A User Manual
Page 32
32
3668E–DFLASH–11/2012
AT25DF041A
Notes:
1. Not 100% tested (value guaranteed by design and characterization).
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
12.4
AC Characteristics
Symbol
Parameter
AT25DF041A
(2.3V version)
AT25DF041A
Min
Max
Min
Max
Units
f
SCK
Serial Clock (SCK) Frequency
50
70
MHz
f
RDLF
SCK Frequency for Read Array (Low Frequency - 03h opcode)
33
33
MHz
t
SCKH
SCK High Time
8.0
6.4
ns
t
SCKL
SCK Low Time
8.0
6.4
ns
t
SCKR
SCK Rise Time, Peak-to-Peak (Slew Rate)
0.1
0.1
V/ns
t
SCK Fall Time, Peak-to-Peak (Slew Rate)
0.1
0.1
V/ns
t
CSH
Chip Select High Time
50
50
ns
t
CSLS
Chip Select Low Setup Time (relative to SCK)
5
5
ns
t
CSLH
Chip Select Low Hold Time (relative to SCK)
5
5
ns
t
CSHS
Chip Select High Setup Time (relative to SCK)
5
5
ns
t
CSHH
Chip Select High Hold Time (relative to SCK)
5
5
ns
t
DS
Data In Setup Time
2
2
ns
t
DH
Data In Hold Time
3
3
ns
t
DIS
Output Disable Time
7
6
ns
t
V
Output Valid Time
7
6
ns
t
OH
Output Hold Time
0
0
ns
t
HLS
HOLD Low Setup Time (relative to SCK)
5
5
ns
t
HLH
HOLD Low Hold Time (relative to SCK)
5
5
ns
t
HHS
HOLD High Setup Time (relative to SCK)
5
5
ns
t
HHH
HOLD High Hold Time (relative to SCK)
5
5
ns
t
HOLD Low to Output High-Z
7
6
ns
t
HHQX
HOLD High to Output Low-Z
7
6
ns
t
WPS
Write Protect Setup Time
20
20
ns
t
Write Protect Hold Time
100
100
ns
t
SECP
Sector Protect Time (from Chip Select High)
20
20
ns
t
Sector Unprotect Time (from Chip Select High)
20
20
ns
t
EDPD
Chip Select High to Deep Power-down
3
3
µs
t
Chip Select High to Standby Mode
3
3
µs