MC74LCX652SD 查看數據表（PDF） - Motorola => Freescale

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产品描述 (功能)

比赛名单

MC74LCX652SD

Low–Voltage CMOS Octal Transceiver/Registered Transceiver With Dual Enable

Motorola => Freescale 

Real Time Transfer – Bus B to

Bus A

MC74LCX652

Real Time Transfer – Bus A to

Bus B

OEAB OEBA CAB CBA SAB SBA

L

L

X

X

X

L

Store Data from Bus A, Bus B or

Bus A and Bus B

OEAB OEBA CAB CBA SAB SBA

H

H

X

X

L

X

Transfer A Stored Data to Bus B

or B Stored Data to Bus A or

Both at the Same Time

OEAB OEBA CAB CBA SAB SBA

X

H

↑

X

X

X

L

X

X

↑

X

X

L

H

↑

↑

X

X

Store Bus A in Both Registers or

Store Bus B in Both Registers

OEAB OEBA CAB CBA SAB SBA

H

H H or L X

H

X

L

L

X H or L X

H

H

L H or L H or L H

H

Isolation

OEAB OEBA CAB CBA SAB SBA

H

H

↑

↑

L

X

L

L

↑

↑

X

L

OEAB OEBA CAB CBA SAB SBA

L

H H or L H or L X

X

Figure 3. Bus Applications

LCX DATA

3

BR1339 — REV 3

MOTOROLA

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