M48T35Y-70MH6F STMicroelectronics, M48T35Y-70MH6F Datasheet - Page 20
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M48T35Y-70MH6F
Manufacturer Part Number
M48T35Y-70MH6F
Description
IC TIMEKPR NVRAM 256KB 5V 28SOIC
Manufacturer
STMicroelectronics
Series
Timekeeper®r
Type
Clock/Calendar/NVSRAMr
Datasheet
1.M48T35Y-70MH1E.pdf
(28 pages)
Specifications of M48T35Y-70MH6F
Memory Size
256K (32K x 8)
Time Format
HH:MM:SS (24 hr)
Date Format
YY-MM-DD-dd
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
28-SOIC, 28-SOH (8.48mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-4717-2
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
DC and AC parameters
Table 10.
1. Valid for ambient operating temperature: T
2. V
3. V
4. t
Table 11.
1. Valid for ambient operating temperature: T
2. All voltages referenced to V
3. CAPHAT™ and M4T32-BR12SH1 SNAPHAT
4. Using larger M4T32-BR12SH6 SNAPHAT
5. At 25 °C, V
20/28
Symbol
t
DR
noted).
V
noted).
V
rec
V
Symbol
PFD
CC
PFD
PFD
(3)(5)
SO
t
t
t
FB
rec
t
t
(min) = 20 ms for industrial temperature grade 6 device.
F
PD
t
RB
passes V
(2)
R
(min) to V
(max) to V
(3)
(4)
Power-fail deselect voltage
Battery backup switchover voltage
Expected data retention time
CC
Power down/up AC characteristics
Power down/up trip points DC characteristics
PFD
= 0 V.
SS
E or W at V
V
V
V
V
V
PFD
PFD
PFD
PFD
SS
PFD
(min).
fall time of less than t
(min) fall time of less than t
to V
(min) to V
(max) to V
(min) to V
(max) to inputs recognized
PFD
SS
IH
.
(min) V
before power down
PFD
SS
Parameter
PFD
V
(max) V
CC
CC
(min) V
FB
®
fall time
rise time
A
A
may cause corruption of RAM data.
top (recommended for industrial temperature range - grade 6 device).
= 0 to 70 or –40 to 85 °C; V
= 0 to 70 or –40 to 85 °C; V
Parameter
®
(1)(2)
CC
CC
F
only, M4T28-BR12SH1 SNAPHAT
may result in deselection/write protection not occurring until 200 µs after
Doc ID 2611 Rev 9
fall time
rise time
(1)
M48T35Y
M48T35Y
M48T35
M48T35
Grade 1
Grade 6
CC
CC
M48T35Y
= 4.75 to 5.5 V or 4.5 to 5.5 V (except where
= 4.75 to 5.5 V or 4.5 to 5.5 V (except where
M48T35
10
10
Min
4.5
4.2
(4)
(5)
®
top t
DR
4.35
= 7 years (typ).
Typ
4.6
3.0
3.0
Min
300
10
10
10
40
0
1
M48T35, M48T35Y
Max
200
Max
4.75
4.5
Years
Years
Unit
Unit
ms
µs
µs
µs
µs
µs
µs
V
V
V
V