M48T08-150PC1 STMicroelectronics, M48T08-150PC1 Datasheet

IC TIMEKPR NVRAM 64KBIT 5V 28-DI

M48T08-150PC1

Manufacturer Part Number
M48T08-150PC1
Description
IC TIMEKPR NVRAM 64KBIT 5V 28-DI
Manufacturer
STMicroelectronics
Series
Timekeeper®r
Type
Clock/Calendar/NVSRAMr
Datasheets

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
Part Number:
M48T08-150PC1
Manufacturer:
ST
Quantity:
120
Part Number:
M48T08-150PC1
Manufacturer:
IDT
Quantity:
62
Part Number:
M48T08-150PC1
Manufacturer:
ST
0
Part Number:
M48T08-150PC1
Manufacturer:
ST
Quantity:
20 000
Part Number:
M48T08-150PC1/70PC1
Manufacturer:
ST
0
Features
Integrated ultra low power SRAM, real-time
clock, power-fail control circuit, and battery
BYTEWIDE™ RAM-like clock access
BCD coded year, month, day, date, hours,
minutes, and seconds
Typical clock accuracy of ±1 minute a month, at
25°C
Automatic power-fail chip deselect and write
protection
Write protect
V
– M48T08: V
– M48T18/T08Y: V
Software controlled clock calibration for high
accuracy applications
Self-contained battery and crystal in the
CAPHAT™ DIP package
Packaging includes a 28-lead SOIC and
SNAPHAT
SOIC package provides direct connection for a
snaphat top which contains the battery and
crystal
Pin and function compatible with DS1643 and
JEDEC standard 8 K x 8 SRAMs
RoHS compliant
– Lead-free second level interconnect
PFD
4.5 V
4.2 V
= Power-fail deselect voltage):
®
V
V
PFD
PFD
top (to be ordered separately)
CC
= 4.75 to 5.5 V
4.5 V
4.75 V
CC
= 4.5 to 5.5 V
5 V, 64 Kbit (8 Kb x 8) TIMEKEEPER
M48T08Y, M48T18
28
28
SNAPHAT
PCDIP28 (PC)
battery/crystal
battery/crystal
SOH28 (MH)
CAPHAT™
1
1
®
(SH)
M48T08
®
SRAM
1/31

Related parts for M48T08-150PC1

M48T08-150PC1 Summary of contents

Page 1

... BCD coded year, month, day, date, hours, minutes, and seconds ■ Typical clock accuracy of ±1 minute a month, at 25°C ■ Automatic power-fail chip deselect and write protection ■ Write protect V = Power-fail deselect voltage): PFD – M48T08 4. 4.75 V PFD – M48T18/T08Y 4 4.5 V PFD ■ ...

Page 2

... PROMs without any requirement for special WRITE timing or limitations on the number of WRITEs that can be performed. The 28-pin, 600 mil DIP CAPHAT™ houses the M48T08/18/08Y silicon with a quartz crystal and a long-life lithium button cell in a single package. The 28-pin, 330 mil SOIC provides sockets with gold plated contacts at both ends for direct ...

Page 3

... Write mode The M48T08/18/08Y is in the WRITE mode whenever W, E1, and E2 are active. The start of a WRITE is referenced from the latter occurring falling edge E1, or the rising edge of E2. A WRITE is terminated by the earlier rising edge E1, or the falling edge of E2. ...

Page 4

... V = 4. 4.5 to 5.5 V (except where noted falls within the V CC PFD . The M48T08/18/08Y may respond to transient noise spikes on V M48T08, M48T08Y, M48T18 M48T08/M48T18/T08Y –150/–15 (T08Y) Min Max Min Max 100 150 0 ...

Page 5

... M48T08, M48T08Y, M48T18 4 Maximum ratings Stressing the device above the rating listed in the absolute maximum ratings table may cause permanent damage to the device. These are stress ratings only and operation of the device at these or any other conditions above those indicated in the operating sections of this specification is not implied ...

Page 6

... Effective capacitance measured with power supply sampled only, not 100% tested 25° MHz. 3. Outputs deselected. 20/31 M48T08 ) 4. 100 1.5 DEVICE UNDER TEST includes JIG capacitance (1)(2) Parameter M48T08, M48T08Y, M48T18 M48T18/T08Y 4 100 1.5 5V 1.8k OUT 100pF AI01019 Min Max 10 10 Unit V ° ...

Page 7

... M48T08, M48T08Y, M48T18 Table 9. DC characteristics Symbol Parameter I Input leakage current LI (2) I Output leakage current LO I Supply current CC (3) I Supply current (standby) TTL CC1 (3) I Supply current (standby) CMOS CC2 V Input low voltage IL V Input high voltage IH Output low voltage V OL ...

Page 8

... CC PFD fall time of less than t may cause corruption of RAM data. FB (1)(2) Parameter M48T08 M48T18/T08Y . 70° 8.5 years (typ) at 70°C. Requires use of M4T32-BR12SH SNAPHAT DR M48T08, M48T08Y, M48T18 Min Max 0 300 120 = 4. 4.5 to 5.5 V (except where CC Min Typ Max 4 ...

Page 9

... M48T08, M48T08Y, M48T18 6 Package mechanical data In order to meet environmental requirements, ST offers these devices in different grades of ® ECOPACK packages, depending on their level of environmental compliance. ECOPACK specifications, grade definitions and product status are available at: www.st.com. ® ECOPACK trademark. Figure 13. PCDIP28 – 28-pin plastic DIP, battery CAPHAT™, package outline Note: Drawing is not to scale ...

Page 10

... TR = Tape & reel (not for new design - use F) For PCDIP28: ® blank = ECOPACK 1. The M48T08/18 part is offered with the PCDIP28 (e.g., CAPHAT™) package only. 2. The SOIC package (SOH28) requires the SNAPHAT under the part number “M4TXX-BR12SH” in plastic tube or “M4TXX-BR12SHTR” in tape & reel form (see Table 17) ...

Related keywords