M48T512Y-70PM1 STMicroelectronics, M48T512Y-70PM1 Datasheet - Page 18

• 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

DC and AC parameters
Table 10.
1. Valid for ambient operating temperature: T
2. V
3. V
Table 11.
1. All voltages referenced to V
2. Valid for ambient operating temperature: T
3. At 25 °C, V
18/23
Symbol
Symbol
V
t
V
t
V
DR
t
PFD
CC
PFD
t
FB
t
REC
F
PFD
t
RB
SO
R
(2)
(3)
(3)
passes V
(min) to V
(max) to V
CC
Power-fail deselect voltage
Battery backup switchover voltage
Expected data retention time
Power down/up AC characteristics
Power down/up trip points DC characteristics
V
V
V
V
E recovery time
PFD
PFD
PFD
SS
PFD
= 0 V.
SS
PFD
to V
(min).
fall time of less than t
(max) to V
(min) to V
(min) to V
(min) fall time of less than t
PFD
(min) V
SS
SS
PFD
.
PFD
Parameter
V
(max) V
CC
CC
(min) V
fall time
rise time
Parameter
FB
A
A
may cause corruption of RAM data.
CC
CC
(1)(2)
= 0 to 70 °C; V
= 0 to 70 °C; V
rise time
fall time
F
may result in deselection/write protection not occurring until 200µs after
Doc ID 5747 Rev 6
(1)
M48T512Y
M48T512V
M48T512Y
M48T512V
CC
CC
= 4.5 to 5.5 V or 3.0 to 3.6 V (except where noted).
= 4.5 to 5.5 V or 3.0 to 3.6 V (except where noted).
M48T512Y
M48T512V
Min
4.2
2.7
10
V
PFD
Min
300
150
10
10
40
1
4.35
Typ
3.0
2.9
–100mV
M48T512Y, M48T512V
Max
200
Max
4.5
3.0
YEARS
Unit
ms
Unit
µs
µs
µs
µs
µs
V
V
V
V