M48T08-150PC1 STMicroelectronics, M48T08-150PC1 Datasheet - Page 18
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M48T08-150PC1
Manufacturer Part Number
M48T08-150PC1
Description
IC TIMEKPR NVRAM 64KBIT 5V 28-DI
Manufacturer
STMicroelectronics
Series
Timekeeper®r
Type
Clock/Calendar/NVSRAMr
Specifications of M48T08-150PC1
Memory Size
64K (8K x 8)
Time Format
HH:MM:SS (24 hr)
Date Format
YY-MM-DD-dd
Interface
Parallel
Voltage - Supply
4.75 V ~ 5.5 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Through Hole
Package / Case
28-DIP Module (600 mil), 28-EDIP
Function
Clock/Calendar/NV Timekeeping RAM/Battery Backup
Rtc Memory Size
8192 Byte
Supply Voltage (max)
5.5 V
Supply Voltage (min)
4.75 V
Maximum Operating Temperature
+ 70 C
Minimum Operating Temperature
0 C
Mounting Style
Through Hole
Rtc Bus Interface
Parallel
Capacitance, Input
10 pF
Capacitance, Output
10 pF
Current, Input, Leakage
±1 μA
Current, Operating
80 mA
Current, Output, Leakage
±1
Data Retention
10 yrs.
Density
64K
Memory Type
Non-Volatile SRAM
Organization
8K×8
Package Type
PCDIP28
Power Dissipation
1 W
Temperature, Operating
0 to +70 °C
Time, Access
150 ns
Time, Fall
≤5 ns
Time, Rise
≤5 ns
Voltage, Input, High
5.05 to 5.8 V
Voltage, Input, Low
0.8 V
Voltage, Output, High
2.4 V
Voltage, Output, Low
0.4 V
Voltage, Supply
4.75 to 5.5 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-2829-5
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
M48T08-150PC1
Manufacturer:
ST
Quantity:
120
Part Number:
M48T08-150PC1
Manufacturer:
ST
Quantity:
20 000
Clock operations
3.5
18/31
V
I
fluctuations, resulting in spikes on the V
capacitors are used to store energy which stabilizes the V
bypass capacitors will be released as low going spikes are generated or energy will be
absorbed when overshoots occur. A ceramic bypass capacitor value of 0.1 µF (as shown in
Figure
In addition to transients that are caused by normal SRAM operation, power cycling can
generate negative voltage spikes on V
one volt. These negative spikes can cause data corruption in the SRAM while in battery
backup mode. To protect from these voltage spikes, it is recommended to connect a
Schottky diode from V
1N5817 is recommended for through hole and MBRS120T3 is recommended for surface
mount.
Figure 10. Supply voltage protection
CC
CC
transients, including those produced by output switching, can produce voltage
noise and negative going transients
10) is recommended in order to provide the needed filtering.
CC
to V
SS
V CC
Doc ID 2411 Rev 10
(cathode connected to V
0.1µF
CC
CC
that drive it to values below V
bus. These transients can be reduced if
V CC
V SS
DEVICE
CC
CC
, anode to V
bus. The energy stored in the
M48T08, M48T08Y, M48T18
SS
SS
by as much as
). Schottky diode
AI02169