M48T512Y-70PM1 STMicroelectronics, M48T512Y-70PM1 Datasheet - Page 11

• Manufacturer Part Number: M48T512Y-70PM1
• Description: IC TIMEKPR NVRAM 4MBIT 5V 32-DIP
• Manufacturer: STMicroelectronics
• Series: Timekeeper®r
• Type: Clock/Calendar/NVSRAMr

Specifications of M48T512Y-70PM1

• Memory Size: 4M (512K 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: 0°C ~ 70°C
• Mounting Type: Through Hole
• Package / Case: 32-DIP (600 mil) Module
• Clock Format: BCD
• Clock Ic Type: Timekeeper
• Memory Configuration: 512K X 8
• Supply Voltage Range: 4.5V To 5.5V
• Digital Ic Case Style: DIP
• No. Of Pins: 32
• Operating Temperature Range: 0°C To +70°C
• Rohs Compliant: Yes
• Nvram Features: RTC, Internal Battery, XTAL
• Access Time: 70ns
• Memory Case Style: DIP
• Bus Type: Parallel
• User Ram: 512KB
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 4.5V
• Operating Temperature Classification: Commercial
• Operating Temperature (max): 70C
• Operating Temperature (min): 0C
• Pin Count: 32
• Mounting: Through Hole
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 497-2856-5

Table 11. Register Map
Keys:
Figure 10. Calibration Waveform
Address
7FFFEh
7FFFDh
7FFFCh
7FFFBh
7FFFFh
7FFFAh
7FFF9h
7FFF8h
S = SIGN Bit
R = READ Bit
W = WRITE Bit
ST = STOP Bit
0 = Must be set to zero
NORMAL
POSITIVE
CALIBRATION
NEGATIVE
CALIBRATION
D7
ST
W
0
0
0
0
0
D6
R
0
0
0
0
10 Years
10 Seconds
10 Minutes
D5
S
0
0
10 Hours
10 Date
10 M
D4
0
Data
D3
0
Calibration
D2
Seconds
Minutes
Month
Hours
Date
Year
Day
D1
D0
Seconds
M48T512Y, M48T512V
Minutes
Control
Month
Date
Hour
Year
Day
Function/Range
BCD Format
AI00594B
00-99
01-12
01-31
01-07
00-23
00-59
00-59
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