M95256-DRDW6TP STMicroelectronics, M95256-DRDW6TP Datasheet - Page 38
![no-image](/images/manufacturer_photos/0/6/637/stmicroelectronics_sml.jpg)
M95256-DRDW6TP
Manufacturer Part Number
M95256-DRDW6TP
Description
EEPROM 256Kbit SPI EEPROM 20 MHz 1.8V to 5.5V
Manufacturer
STMicroelectronics
Datasheet
1.M95256-DFDW6TP.pdf
(53 pages)
Specifications of M95256-DRDW6TP
Product Category
EEPROM
Rohs
yes
DC and AC parameters
Table 20.
1. Previous products are identified by process letters AB.
2. New products are the M95256 devices identified by process letter K.
3. t
4. Characterized only, not tested in production.
38/53
Symbol
t
t
t
t
t
t
SHQZ
QLQH
QHQL
CLCH
CHCL
HLQZ
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
CH
SHCH
CHSH
DVCH
CHDX
HHCH
HHQV
SLCH
SHSL
CHSL
HLCH
CLHH
CLQV
CLQX
CL
CLHL
CH
t
f
W
C
(3)
(3)
(4)
(4)
(4)
(4)
+ t
(4)
(4)
CL
t
t
must never be less than the shortest possible clock period, 1 / f
f
t
t
CSS1
CSS2
t
t
Alt.
t
t
t
t
t
t
SCK
t
CSH
CLH
t
DSU
t
t
CLL
t
DIS
WC
CS
RC
DH
HO
RO
FO
FC
t
HZ
LZ
V
AC characteristics (M95256-R, M95256-DR device grade 6)
Clock frequency
S active setup time
S not active setup time
S deselect time
S active hold time
S not active hold time
Clock high time
Clock low time
Clock rise time
Clock fall time
Data in setup time
Data in hold time
Clock low hold time after HOLD not active
Clock low hold time after HOLD active
Clock low setup time before HOLD active
Clock low setup time before HOLD not active
Output disable time
Clock low to output valid
Output hold time
Output rise time
Output fall time
HOLD high to output valid
HOLD low to output High-Z
Write time
Test conditions specified in
Parameter
Doc ID 12276 Rev 19
M95256-W M95256-R M95256-DR M95256-DF
Min. Max. Min. Max. Min. Max. Min. Max.
Table 10
200
200
200
200
200
200
200
140
products
Previous
40
50
90
0
0
0
C
(1)
(max).
250
150
100
100
100
250
2
1
1
5
and
V
60
60
90
60
60
80
80
20
20
60
60
Table 12
0
0
0
cc
1.8V
80
80
20
20
80
80
5
2
2
5
N
ew products
V
30
30
40
30
30
40
40
10
10
30
30
0
0
0
cc
2.5V
10
40
40
20
20
40
40
2
5
2
(2)
V
15
15
20
15
15
20
20
10
15
15
5
0
0
0
cc
4.5V
20
20
10
10
20
20
20
2
2
5
MHz
Unit
ms
ns
ns
ns
ns
ns
ns
ns
µs
µs
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns