at25df041a ATMEL Corporation, at25df041a Datasheet - Page 33

• Manufacturer Part Number: at25df041a
• Description: 4-megabit 2.3-volt Or 2.7-volt Minimum Spi Serial Flash Memory
• Manufacturer: ATMEL Corporation

12.5
Note:
12.6
12.7
12.8
3668C–DFLASH–3/08
Symbol
t
t
t
t
t
Parameter
Minimum V
Power-up Device Delay Before Program or Erase Allowed
Power-on Reset Voltage
PP
BP
BLKE
CHPE
WRSR
(1)
(1)
(1)(2)
(2)
Program and Erase Characteristics
1. Maximum values indicate worst-case performance after 100,000 erase/program cycles.
2. Not 100% tested (value guaranteed by design and characterization).
Power-up Conditions
Input Test Waveforms and Measurement Levels
Output Test Load
CC
to Chip Select Low Time
Parameter
Page Program Time (256 Bytes)
Byte Program Time
Block Erase Time
Chip Erase Time
Write Status Register Time
t
R
, t
F
< 2 ns (10% to 90%)
DRIVING
LEVELS
AC
4 Kbytes
32 Kbytes
64 Kbytes
0.45V
2.4V
DEVICE
UNDER
TEST
AT25DF041A [Preliminary]
Min
Min
1.5
50
1.5V
30 pF
Typ
250
400
AC
MEASUREMENT
LEVEL
1.2
50
7
3
Max
2.5
10
Max
200
600
950
200
5
7
Units
ms
µs
V
Units
sec
ms
ms
µs
ns
33