M48T35AV-10MH1F STMicroelectronics, M48T35AV-10MH1F Datasheet - Page 21

• Manufacturer Part Number: M48T35AV-10MH1F
• Description: IC TIMEKPR NVRAM 256KB 3V 28SOIC
• Manufacturer: STMicroelectronics
• Series: Timekeeper®r
• Type: Clock/Calendar/NVSRAMr

Specifications of M48T35AV-10MH1F

• Memory Size: 256K (32K x 8)
• Time Format: HH:MM:SS (24 hr)
• Date Format: YY-MM-DD-dd
• Interface: Parallel
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: 0°C ~ 70°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: 497-4714-2

M48T35AV
Table 10.
1. Valid for ambient operating temperature: T
2. V
3. V
Table 11.
1. Valid for ambient operating temperature: T
2. All voltages referenced to V
3. At 25 °C, V
4. CAPHAT™ and M4T32-BR12SH1 SNAPHAT
Symbol
Symbol
noted).
V
noted).
t
t
t
FB
PFD
CC
PFD
V
t
t
t
F
V
DR
PD
t
RB
rec
PFD
R
(2)
SO
(3)
passes V
(3)
(min) to V
(max) to V
CC
Power down/up AC characteristics
E or W at V
V
V
V
V
V
Power down/up trip points DC characteristics
Power-fail deselect voltage
Battery backup switchover voltage
Expected data retention time
PFD
PFD
PFD
SS
PFD
PFD
= 0 V.
SS
PFD
to V
(min).
(min) to V
fall time of less than t
(max) to V
(min) to V
(max) to inputs recognized
(min) fall time of less than t
PFD
IH
(min) V
SS
before power down
Parameter
PFD
SS
.
PFD
V
(max) V
CC
CC
(min) V
fall time
rise time
FB
Parameter
(1)(2)
A
A
may cause corruption of RAM data.
CC
CC
= 0 to 70 °C or –40 to 85 °C; V
= 0 to 70 °C or –40 to 85 °C; V
®
rise time
fall time
F
only, M4T28-BR12SH1 SNAPHAT
may result in deselection/write protection not occurring until 200 µs after
Doc ID 6845 Rev 8
(1)
10
Min
2.7
(4)
CC
CC
V
PFD
= 4.5 to 5.5 V or 3.0 to 3.6 V (except where
= 4.5 to 5.5 V or 3.0 to 3.6 V (except where
Typ
®
2.9
–100mV
top t
Min
150
DR
300
10
40
0
1
= 7 years (typ).
DC and AC parameters
Max
3.0
Max
200
Years
Unit
Unit
V
V
ms
µs
µs
µs
µs
µs
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