M48T512Y-70PM1 STMicroelectronics, M48T512Y-70PM1 Datasheet - Page 6

• 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

Description
Figure 2.
Figure 3.
6/23
32,768 Hz
CRYSTAL
LITHIUM
32-pin DIP connections
Block diagram
CELL
OSCILLATOR AND
VOLTAGE SENSE
CLOCK CHAIN
SWITCHING
CIRCUITRY
AND
V CC
DQ0
DQ1
DQ2
V SS
A18
A16
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
Doc ID 5747 Rev 6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
POWER
M48T512Y
M48T512V
V PFD
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
V CC
A15
A17
W
A13
A8
A9
A11
G
A10
E
DQ7
DQ6
DQ5
DQ4
DQ3
SRAM ARRAY
TIMEKEEPER
524,280 x 8
REGISTERS
8 x 8
V SS
M48T512Y, M48T512V
A0-A18
DQ0-DQ7
E
W
G
AI02263
AI02384