M95256-DFDW6TP STMicroelectronics, M95256-DFDW6TP Datasheet - Page 39

• Manufacturer Part Number: M95256-DFDW6TP
• Description: EEPROM 256-Kbit serial SPI bus EEPROM
• Manufacturer: STMicroelectronics

Specifications of M95256-DFDW6TP

• Rohs: yes
• Memory Size: 256 Kbit
• Organization: 32768 x 8 bit
• Data Retention: 200 yr
• Maximum Clock Frequency: 20 MHz
• Maximum Operating Current: 5 mA
• Operating Supply Voltage: 1.7 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: TSSOP-8
• Interface Type: SPI
• Minimum Operating Temperature: - 40 C
• Supply Voltage - Max: 5.5 V
• Supply Voltage - Min: 1.7 V

M95256-W M95256-R M95256-DR M95256-DF
Table 21.
1. Preliminary data.
2. t
3. Characterized only, not tested in production.
t
t
t
t
t
t
CLCH
CHCL
SHQZ
QLQH
QHQL
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)
(2)
+ t
(4)
(3)
(4)
(4)
(4)
(4)
CL
must never be less than the shortest possible clock period, 1 / f
t
t
t
t
f
t
CSS1
CSS2
t
t
t
t
SCK
t
CSH
t
DSU
t
t
t
CLH
t
t
CLL
t
DIS
WC
HO
RO
AC characteristics (M95256-DF device grade 6)
CS
RC
FC
DH
t
FO
HZ
LZ
V
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
Table 10
C
Min. Max. Min. Max. Min. Max.
V
(max).
60
90
60
60
60
80
80
20
20
60
60
and
cc
0
0
0
Table 12
1.7 V
80
80
20
20
80
80
5
2
2
5
V
(1)
30
30
40
30
30
40
40
10
10
30
30
0
0
0
cc
DC and AC parameters
2.5 V
10
40
40
20
20
40
40
2
2
5
V
15
15
20
15
15
20
20
10
15
15
0
0
0
cc
5
4.5 V
20
20
20
10
10
20
20
2
2
5
MHz
39/53
Unit
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
µs
ns
ns
ns
ns
ns
ns
ns
ns
ns