M41T315V-85MH6E

P1-P3 P4-P6 P7-P9 P10-P12 P13-P15 P16-P18 P19-P21 P22-P24 P25-P27 P28-P30

M41T315Y, M41T315V, M41T315W Description

7/30

Figure 2. 16-pin SOIC connections

Figure 3. 28-pin SOIC connections

AI03909

8

2

3

4

5

6

710

16

15

14

13

12

11

1

V

BAT

(1)

WE

V

SS

RST

DU

OE

NCV

SS

XO

VIX

CCI

M41T315Y

D

Q

CEI

CEO

9

V

CCO

M41T315W

M41T315V

AI03910

8

2

3

4

5

6

7

9

10

11

12

13

14

22

21

20

19

18

17

16

15

28

27

26

25

24

23

1

NC

V

SS

V

SS

NC

NC

VEW

CCI

M41T315Y

NC

NC

NC

NC

NC

Q

D

NC

NC

CEI

CEO

NC

OE

NC

DU

NC

RST

NC

NC

V

CCO

NC

M41T315V

M41T315W

Description M41T315Y, M41T315V, M41T315W

8/30

Figure 4. Block diagram

AI03636B

32,768 Hz

CRYSTAL

CEI

OE

WE

RST

CEO

CLOCK/CALENDAR LOGIC

TIMEKEEPER REGISTER

COMPARISON REGISTER

CONTROL

LOGIC

ACCESS

ENABLE

SEQUENCE

DETECTOR

I/O

BUFFERS

POWER-FAIL

DETECT

LOGIC

D

Q

V

CCI

INTERNAL V

CC

V

CCO

READ

WRITE

POWER-FAIL

UPDATE

DATA

V

BAT

XO

XI

M41T315Y, M41T315V, M41T315W Description

9/30

Figure 5. M41T315Y/V/W to RAM/clock interface

32.768 Hz

CRYSTAL

CMOS

SRAM

OE

WE

CEO

CE

OE

OE

WE

WE

CE CEI

RST RST

V

CCO

V

CC

D

Q

V

CCI

V

BAT

X

0

X

1

M41T315Y/V/W

A0-An

A0-An DATA I/O

D0-D7

V

CC

V

SS

V

SS

BAT

AI04258

+

P1-P3 P4-P6 P7-P9 P10-P12 P13-P15 P16-P18 P19-P21 P22-P24 P25-P27 P28-P30

M41T315V-85MH6E

Mfr. #:

Buy M41T315V-85MH6E

Manufacturer:

STMicroelectronics

Description:

Real Time Clock Serial Access 85ns

Lifecycle:

New from this manufacturer.

Delivery:

DHL FedEx Ups TNT EMS

Payment:

T/T Paypal Visa MoneyGram Western Union

Products related to this Datasheet