M41T00SC64 查看數據表（PDF） - STMicroelectronics

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M41T00SC64

Real-Time Clock + 64Kbit (8192 x 8) EEPROM

STMicroelectronics 

Pin settings

2

Pin settings

M41T00SC64

2.1

Pin description

Table 1. Signal names

FT/OUT (1)

Frequency test / output driver (open drain)

SDA

Serial data address input / output

SCL

Serial clock

WC

Write control

E0, E1, E2

Chip enables

VBAT

Battery supply voltage

VCC

Supply voltage

VSS

Ground

NC (2)

No connect

NF (3)

No function

1. Open drain output

2. No connect (NC) pins should be tied to VSS.

3. No function (NF) pins should be tied to VSS. Pins 2 and 3, and pins 16 and 17 are internally shorted

together.

2.2

Pin connections

Figure 2. 18-pin SOIC connection

NC(1)

NF(2)

NF(2)

NC(1)

E0

E1

E2

VBAT

VSS

1

18

2

17

3

16

4 M41T00S 15

5

+

14

6

M24C64

(EEPROM)

13

7

12

8

11

9

10

NC(1)

NF(2)

NF(2)

VCC

NC(1)

FT/OUT(3)

WC

SCL

SDA

AI09124

1. No connect (NC) pins should be tied to VSS.

2. No function (NF) pins should be tied to VSS. Pins 2 and 3, and pins 16 and 17 are internally shorted

together.

3. Open drain output.

6/19

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