M48T201Y-70MH1E STMicroelectronics, M48T201Y-70MH1E Datasheet - Page 12

• Manufacturer Part Number: M48T201Y-70MH1E
• Description: IC SUPERVISOR TIMEKPR 5V 44-SOH
• Manufacturer: STMicroelectronics
• Series: Timekeeper®r
• Type: Clock/Calendar/NVSRAMr

Specifications of M48T201Y-70MH1E

• Memory Size: External
• 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: Surface Mount
• Package / Case: 44-SOH
• Number Of Voltages Monitored: 1
• Monitored Voltage: 3.3 V, 5 V
• Manual Reset: Not Resettable
• Watchdog: Watchdog
• Battery Backup Switching: Backup
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Supply Current (typ): 15000 uA
• Maximum Power Dissipation: 1000 mW
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: 0 C
• Power Fail Detection: Yes
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 497-2840-5; M48T201Y-70MH1

Operation
Figure 5.
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ADDRESS
E
G
G CON
E CON
W
DQ0-DQ7
Read cycle timing: RTC and external RAM control signals
tEPD
tGLQX
tELQX
tELQV
READ
tAVAV
tGLQV
DATA OUT
VALID
tAVQV
tAVAV
READ
tAXQX
DATA OUT
VALID
tAVWL
tWLWH
tRO
WRITE
tAVAV
M48T201Y, M48T201V
tGHQZ
DATA IN
VALID
AI02334
tWHAX