M48T58-70PC1 STMicroelectronics, M48T58-70PC1 Datasheet - Page 18

• Manufacturer Part Number: M48T58-70PC1
• Description: IC TIMEKPR NVRAM 64KBIT 5V 28-DI
• Manufacturer: STMicroelectronics
• Series: Timekeeper®r
• Type: Clock/Calendar/NVSRAMr

Specifications of M48T58-70PC1

• Memory Size: 64K (8K x 8)
• Time Format: HH:MM:SS (24 hr)
• Date Format: YY-MM-DD-dd
• Interface: Parallel
• Voltage - Supply: 4.75 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): 4.75 V
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: Through Hole
• Rtc Bus Interface: Parallel
• Clock Format: HH
• Clock Ic Type: Timekeeper
• Memory Configuration: 8K X 8
• Supply Voltage Range: 4.75V To 5.5V
• Digital Ic Case Style: DIP
• No. Of Pins: 28
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-2857-5

Clock operations
Figure 8.
Figure 9.
18/33
NORMAL
POSITIVE
CALIBRATION
NEGATIVE
CALIBRATION
Crystal accuracy across temperature
Clock calibration
-100
-20
-40
-60
-80
ppm
20
0
0
5
ΔF = -0.038
10
F
15
20
T
0
ppm
= 25 °C
C
2
Doc ID 2412 Rev 7
25
(T - T
30
0
)
2
± 10%
35
40
45
50
55
60
65
70
M48T58, M48T58Y
°C
AI00594B
AI02124