M41T315W-65MH6TR Datasheet PDF - ST Microelectronics
| Part Number | M41T315W-65MH6TR | |
| Description | Serial Access Phantom RTC Supervisor | |
| Manufacturers | ST Microelectronics | |
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M41T315Y*
M41T315V/W
Serial Access Phantom RTC Supervisor
FEATURES SUMMARY
■ 3.0V, 3.3V, OR 5V OPERATING VOLTAGE
■ REAL TIME CLOCK KEEPS TRACK OF
TENTHS/HUNDREDTHS OF SECONDS,
SECONDS, MINUTES, HOURS, DAYS,
DATE OF THE MONTH, MONTHS, AND
YEARS
■ AUTOMATIC LEAP YEAR CORRECTION
VALID UP TO 2100
■ AUTOMATIC SWITCH-OVER AND
DESELECT CIRCUITRY
■ CHOICE OF POWER-FAIL DESELECT
VOLTAGES:
(VPFD = Power-fail Deselect Voltage)
– M41T315Y: VCC = 4.5 to 5.5V
4.25V ≤ VPFD ≤ 4.50V
– M41T315V: VCC = 3.0 to 3.6V
2.80V ≤ VPFD ≤ 2.97V
– M41T315W: VCC = 2.7 to 3.3V
2.60V ≤ VPFD ≤ 2.70V
■ NO ADDRESS SPACE REQUIRED TO
COMMUNICATE WITH RTC
■ PROVIDES NONVOLATILE SUPERVISOR
FUNCTIONS FOR BATTERY BACKUP OF
SRAM
■ FULL ±10% VCC OPERATING RANGE
■ INDUSTRIAL OPERATING TEMPERATURE
RANGE (–40 to +85°C)
■ ULTRA-LOW BATTERY SUPPLY CURRENT
OF 500nA (max)
■ OPTIONAL PACKAGING INCLUDES A 28-
LEAD SOIC and SNAPHAT® TOP (to be
ordered separately)
■ SNAPHAT PACKAGE PROVIDES DIRECT
CONNECTION FOR A SNAPHAT TOP,
WHICH CONTAINS THE BATTERY AND
CRYSTAL
Figure 1. 16-pin SOIC Package
16
1
SO16 (MQ)
Figure 2. 28-pin SOIC Package
SNAPHAT (SH)
Battery/Crystal
28
1
SOH28 (MH)
* Contact Local Sales Office
June 2004
1/24
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M41T315Y*, M41T315V, M41T315W
Figure 4. 16-pin SOIC Connections
XI
XO
WE
VBAT(1)
VSS
D
Q
VSS
1 16
2 15
3 14
4 M41T315Y 13
5
M41T315V
M41T315W
12
6 11
7 10
89
VCCI
VCCO
DU
RST
OE
CEI
CEO
NC
AI03909
Note: 1. Should be tied to VSS if not used.
Figure 6. Block Diagram
Figure 5. 28-pin SOIC Connections
WE
NC
NC
NC
NC
NC
NC
VSS
NC
NC
D
Q
NC
VSS
1 28
2 27
3 26
4 25
5 24
6 23
M41T315Y
7 M41T315V 22
8 M41T315W 21
9 20
10 19
11 18
12 17
13 16
14 15
AI03910
VCCI
NC
NC
VCCO
DU
NC
RST
NC
OE
NC
NC
CEI
CEO
NC
CEO
CEI
OE
WE
RST
32,768 Hz
CRYSTAL
CONTROL
LOGIC
XO
XI
READ
WRITE
CLOCK/CALENDAR LOGIC
UPDATE
TIMEKEEPER REGISTER
POWER-FAIL
ACCESS
ENABLE
SEQUENCE
DETECTOR
COMPARISON REGISTER
D I/O
Q BUFFERS
VCCI
DATA
POWER-FAIL
DETECT
LOGIC
INTERNAL VCC
VCCO
VBAT
AI03636B
5/24
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for M41T315W-65MH6TR electronic component. |
| Information | Total 24 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ M41T315W-65MH6TR.PDF Datasheet ] | |
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| M41T315W-65MH6TR | The function is Serial Access Phantom RTC Supervisor. ST Microelectronics | |
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