Q67101-H6773 查看數據表（PDF） - Siemens AG

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产品描述 (功能)

生产厂家

Q67101-H6773

Joint Audio Decoder-Encoder - Multimode

Siemens AG 

PSB 7238

Electrical Specification

R/W

CS x DS

D0 - D7

t DSD

t RWD

t WW

t WI

t WD

t DW

Data

Figure 61 Microprocessor Write Timing

ITT09679

CS x DS

AD0 - AD7

t AS

t AH

ITT09662

Figure 62 Non-Multiplexed Address Timing

Table 25

Parameter

Symbol

ALE pulse width

Address setup time to ALE

Address hold time from ALE

Address latch setup time to WR, RD

Address setup time

Address hold time

ALE guard time

DS delay after R/W setup

R/W hold from CS × DS inactive

tAA

tAL

tLA

tALS

tAS

tAH

tAD

tDSD

tRWD

Limit Values Unit

min. max.

50 –

ns

15 –

ns

10 –

ns

0

–

ns

25 –

ns

10 –

ns

15 –

ns

0

–

ns

0

–

ns

Semiconductor Group

183

Data Sheet 1998-07-01

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