MC145407DW 查看數據表（PDF） - Motorola => Freescale

零件编号

产品描述 (功能)

生产厂家

MC145407DW

5 Volts Only DRIVER / RECEIVERS

Motorola => Freescale 

+5V

1 VDD

VCC 16

2

Rx1

15

DO1

3 Tx1

4 Rx2

5 Tx2

MC145406

14

DI1

13

DO2

12

DI2

6 Rx3

11

DO3

7 Tx3

10

DI3

8 VSS

GND 9

10 µF

10 µF

1

C2+

C1+ 20

2 GND

3 C2–

VCC 19

C1– 18

4 VSS

5 Rx1

6 Tx1

VDD 17

MC145407 DO1 16

DI1 15

7 Rx2

DO2 14

8 Tx2

9 Rx3

13

DI2

DO3 12

10 Tx3

DI3 11

10 µF

10 µF

Figure 5. MC145406/MC145407 5 V Only Solution for up to Six EIA–232–E Drivers and Receivers

+5 V

+ 10 V

C2

C2+

1

GND 2

C2– 3

VSS 4

C4

5

6

7

8

9

10

20 C1+

19 VCC

18 C1–

17 VDD

16

15

14

13

12

11

0.1 µF

0.1 µF

TO

CONNECTOR

Figure 6. Two Supply Configuration (MC145407 Generates VSS Only)

+5 V

MMBZ15VDLT × 6

C2

C2+

1

GND 2

C2– 3

VSS 4

C4

Rx1 5

Tx1 6

Rx2 7

Tx2 8

Rx3 9

Tx3 10

20 C1+

19 VCC

18 C1–

17 VDD

16 DO1

15 DI1

14 DO2

13 DI2

12 DO3

11 DI3

C1

0.1 µF

C3

0.1 µF

Figure 7. ESD Protection Scheme

MOTOROLA

MC145407

7

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