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ST5451 数据表(PDF) 29 Page - STMicroelectronics

部件名 ST5451
功能描述  ISDN HDLC AND GCI CONTROLLER
PDF  34 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST5451 数据表(HTML) 29 Page - STMicroelectronics

Back Button ST5451 Datasheet HTML 25Page - STMicroelectronics ST5451 Datasheet HTML 26Page - STMicroelectronics ST5451 Datasheet HTML 27Page - STMicroelectronics ST5451 Datasheet HTML 28Page - STMicroelectronics ST5451 Datasheet HTML 29Page - STMicroelectronics ST5451 Datasheet HTML 30Page - STMicroelectronics ST5451 Datasheet HTML 31Page - STMicroelectronics ST5451 Datasheet HTML 32Page - STMicroelectronics ST5451 Datasheet HTML 33Page - STMicroelectronics Next Button
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background image
Figure 17: Multiplexed Intel-like
µP bus timing
READ CYCLE (Multiplexed Intel Mode)
Symbol
Parameter
Min.
Max.
Unit
tLA
Address Hold After ALE
10
ns
tAL
Address to ALE Setup
20
ns
tRD
Data Delay from RD
110
ns
tRR
RD Pulse Width
110
ns
tDF
Output Float Delay
25
ns
tRI
RD Control Interval
70
ns
tWA
ALE Pulse Width
30
ns
tCSS
CE to RD or WR set-up tCSS
20
ns
tCSH
CE hold after RD to WR tCSH
10
ns
WRITE CYCLE (Multiplexed Intel Mode)
Symbol
Parameter
Min.
Max.
Unit
tww
WR Pulse Width
60
ns
tDW
Data Setup to WR
35
ns
tWD
Data Hold after WR
10
ns
tWI
WR Control Interval
70
ns
ST5451
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