M48T201Y-70MH1E STMicroelectronics, M48T201Y-70MH1E Datasheet - Page 30

• 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

DC and AC parameters
Figure 14. Power down/up mode AC waveforms
Table 14.
1. Valid for ambient operating temperature: T
2. V
3. V
30/37
Symbol
V
t
t
t
FB
PFD
CC
PFD
REC
t
F
t
RB
R
(2)
(3)
passes V
(min) to V
(max) to V
V CC
V PFD (max)
V PFD (min)
V SO
INPUTS
OUTPUTS
RST
V
V
V
V
V
Power down/up mode AC characteristic
PFD
PFD
PFD
PFD
SS
PFD
SS
PFD
to V
(min) to V
(max) to V
(min) to V
(max) to RST high
(min).
fall time of less than t
(min) fall time of less than t
PFD
(min) V
VALID
VALID
PFD
SS
PFD
tF
V
(max) V
CC
CC
(min) V
fall time
rise time
FB
Parameter
A
may cause corruption of RAM data.
CC
CC
= 0 to 70°C; V
fall time
rise time
F
tFB
may result in deselection/write protection not occurring until 200 µs after
(1)
CC
= 4.5 to 5.5 V or 3.0 to 3.6 V (except where noted).
M48T201Y
M48T201V
DON'T CARE
HIGH-Z
tRB
Min
300
150
10
10
40
5
M48T201Y, M48T201V
tR
Max
tREC
200
VALID
VALID
AI03519
Unit
ms
µs
µs
µs
µs
µs