M41T315W-65MH6TR ST Microelectronics, M41T315W-65MH6TR Datasheet - Page 5

• Manufacturer Part Number: M41T315W-65MH6TR
• Description: Serial Access Phantom RTC Supervisor
• Manufacturer: ST Microelectronics

Figure 4. 16-pin SOIC Connections
Note: 1. Should be tied to V
Figure 6. Block Diagram
V BAT (1)
V SS
V SS
WE
XO
XI
Q
D
1
2
3
4
5
6
7
8
M41T315W
M41T315Y
M41T315V
CEO
RST
SS
CEI
WE
OE
Q
D
if not used.
V CCI
16
15
14
13
12
11
10
SEQUENCE
DETECTOR
32,768 Hz
CRYSTAL
CONTROL
BUFFERS
9
ACCESS
ENABLE
LOGIC
I/O
V CCI
V CCO
DU
RST
OE
CEI
CEO
NC
AI03909
POWER-FAIL
WRITE
READ
XO
POWER-FAIL
XI
DATA
DETECT
LOGIC
V BAT
Figure 5. 28-pin SOIC Connections
CLOCK/CALENDAR LOGIC
TIMEKEEPER REGISTER
UPDATE
INTERNAL V CC
M41T315Y*, M41T315V, M41T315W
V SS
V SS
WE
COMPARISON REGISTER
NC
NC
NC
NC
NC
NC
NC
NC
NC
Q
D
V CCO
1
2
3
4
5
6
7
8
9
10
11
12
13
14
M41T315W
M41T315Y
M41T315V
AI03910
28
27
26
25
24
23
22
21
20
19
18
17
16
15
AI03636B
V CCI
NC
NC
V CCO
DU
NC
RST
NC
OE
NC
NC
CEI
CEO
NC
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