at25df641a ATMEL Corporation, at25df641a Datasheet - Page 49

• Manufacturer Part Number: at25df641a
• Description: 64-mbit 2.7v Minimum Serial Peripheral Interface Serial Flash Memory
• Manufacturer: ATMEL Corporation

14.6
Note:
14.7
14.8
14.9
8693A–DFLASH–8/10
Symbol
t
t
t
t
t
t
t
t
Symbol
t
t
V
PP
BP
BLKE
CHPE
SUSP
RES
OTPP
WRSR
VCSL
PUW
POR
(1)
(1)
(1)(2)
(1)
(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
Parameter
Page Program Time (256-Bytes)
Byte Program Time
Block Erase Time
Chip Erase Time
Program/Erase Suspend Time
Program/Erase Resume Time
OTP Security Register Program Time
Write Status Register Time
Parameter
Minimum V
Power-up Device Delay Before Program or Erase Allowed
Power-on Reset Voltage
CC
to Chip Select Low Time
DRIVING
LEVELS
t
R
DEVICE
UNDER
, t
AC
TEST
F
< 2 ns (10% to 90%)
0.9V
0.1V
CC
CC
15pF (frequencies above 70MHz)
or
30pF
Atmel AT25DF641A [Preliminary]
V
CC
4-Kbytes
32-Kbytes
64-Kbytes
Program
Erase
Program
Erase
/2
AC
MEASUREMENT
LEVEL
Min
Typ
Min
300
500
200
1.0
1.5
75
55
10
25
10
12
70
7
Max
Max
200
600
950
100
500
200
3.0
2.5
20
40
20
20
10
Units
Units
sec
ms
ms
ms
µs
µs
µs
µs
ns
µs
V
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