M48T18-150PC1 STMicroelectronics, M48T18-150PC1 Datasheet - Page 17

• Manufacturer Part Number: M48T18-150PC1
• Description: IC TIMEKPR NVRAM 64KBIT 5V 28-DI
• Manufacturer: STMicroelectronics
• Series: Timekeeper®r
• Type: Clock/Calendar/NVSRAMr

Specifications of M48T18-150PC1

• Memory Size: 64K (8K x 8)
• Time Format: HH:MM:SS (24 hr)
• Date Format: YY-MM-DD-dd
• Interface: Parallel
• Voltage - Supply: 4.5 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): 4.5 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: 4.8 to 5.8 V
• Voltage, Input, Low: 0.8 V
• Voltage, Output, High: 2.4 V
• Voltage, Output, Low: 0.4 V
• Voltage, Supply: 4.5 to 5.5 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-2838-5

M48T08, M48T08Y, M48T18
Figure 8.
Figure 9.
NORMAL
POSITIVE
CALIBRATION
NEGATIVE
CALIBRATION
-100
-20
-40
-60
-80
ppm
20
Crystal accuracy across temperature
Clock calibration
0
0
5
ΔF = -0.038
10
F
15
Doc ID 2411 Rev 10
20
T
0
ppm
= 25 C
C
2
25
(T - T
30
0
)
2
35
10%
40
45
50
55
60
Clock operations
65
70
C
AI00594B
AI02124
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