M95256-WDW6TP STMicroelectronics, M95256-WDW6TP Datasheet - Page 36

• Manufacturer Part Number: M95256-WDW6TP
• Description: IC EEPROM 256KBIT 5MHZ 8TSSOP
• Manufacturer: STMicroelectronics

Specifications of M95256-WDW6TP

• Format - Memory: EEPROMs - Serial
• Memory Type: EEPROM
• Memory Size: 256K (32K x 8)
• Speed: 5MHz
• Interface: SPI, 3-Wire Serial
• Voltage - Supply: 2.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 8-TSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-6355-2

DC and AC parameters
Table 20.
1. Current products are identified by process letters “AB”.
2. New products are the M95256-D and M95256 in MLP8 package MC. For these new products, the test flow guarantees the
3. t
4. Value guaranteed by characterization, not 100% tested in production.
36/47
t
t
t
t
t
Symbol
t
QLQH
QHQL
CLCH
CHCL
SHQZ
HLQZ
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
CH
HHCH
HHQV
SHCH
CHSH
CL
DVCH
CHDX
HLCH
CLHH
CLQV
CLQX
SLCH
SHSL
CHSL
CLHL
AC parameter values defined in this table (when V
V
CH
t
f
CC
W
C
(3)
(3)
+ t
= 2.5 V or V
(4)
(4)
(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
Alt.
t
t
SCK
t
CSH
t
DSU
t
t
t
t
CLH
t
t
CLL
t
AC characteristics (M95256-DR, M95256-R device grade 6)
DIS
WC
HO
RO
CS
RC
DH
t
FO
FC
HZ
LZ
V
CC
= 5.0 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 13
CC
= 1.8 V) and the AC parameter values defined in
Table 10
M95256-DR, M95256, M95256-W, M95256-R
C
Min.
D.C.
(max).
200
200
200
200
200
200
200
140
50
90
40
0
0
0
and
Current
products
Table 11
Max.
(1)
250
150
100
100
100
250
2
1
1
5
Min.
D.C.
products
60
60
90
60
60
80
80
20
20
60
60
0
0
0
N
Table 18
ew
Max.
80
80
20
20
80
80
(2)
5
2
2
5
(when
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