M48T512Y-70PM1 STMicroelectronics, M48T512Y-70PM1 Datasheet - Page 16

• 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
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DC and AC parameters
This section summarizes the operating and measurement conditions, as well as the DC and
AC characteristics of the device. The parameters in the following DC and AC Characteristic
tables are derived from tests performed under the measurement conditions listed in the
relevant tables. Designers should check that the operating conditions in their projects match
the measurement conditions when using the quoted parameters.
Table 7.
Figure 10. AC measurement load circuit
1. C
Table 8.
1. Effective capacitance measured with power supply at 5 V (M48T512Y) or 3.3 V (M48T512V). Sampled
2. At 25 °C, f = 1 MHz.
3. Outputs deselected.
Supply voltage (V
Ambient operating temperature (T
Load capacitance (C
Input rise and fall times
Input pulse voltages
Input and output timing ref. voltages
Symbol
C
only, not 100% tested.
C
IO
L
IN
= 50 pF for M48T512V.
(3)
Input capacitance
Input / output capacitance
Operating and AC measurement conditions
Capacitance
Parameter
CC
)
L
)
C L includes JIG capacitance
DEVICE
UNDER
Parameter
TEST
Doc ID 5747 Rev 6
A
)
(1)(2)
C L
M48T512Y
4.5 to 5.5
(1)
0 to 70
0 to 3
650Ω
100
≤ 5
1.5
Min
-
-
1.75V
M48T512V
3.0 to 3.6
0 to 70
M48T512Y, M48T512V
0 to 3
≤ 5
1.5
50
Max
20
20
Unit
pF
pF
Unit
pF
°C
ns
V
V
V
AI03971