參數(shù)資料
型號(hào): W99802G
廠商: WINBOND ELECTRONICS CORP
元件分類: 通信及網(wǎng)絡(luò)
英文描述: SPECIALTY TELECOM CIRCUIT, PBGA184
封裝: 10 X 10 MM, 1.60 MM HEIGHT, LEAD FREE, LFBGA-184
文件頁(yè)數(shù): 13/31頁(yè)
文件大?。?/td> 371K
代理商: W99802G
W99802G
- 20 -
5.3.4
Host Interface: Memory Bus AC Characteristic
FCE1_,FCE2_
FA2:0]
FD[15:0]
FIORD#
Valid Data
TCAH
TCAS
TODD
TODH
TRD
FD[15:0]
FIOWR#
Valid Data
T
CAH
T
CAS
TWDS
TWDH
T
WR
Figure 5-4 Host Interface : Memory Bus Timing Diagram
Table 5-6 Host Interface: Memory Bus Timing
SYMBOL
PARAMETER
MIN.
MAX.
UNIT
TCAS
Set-up time, FCE1_, FCE2_ and FA valid before
FIORD# & FIOWR# low
0
---
ns
TCAH
Hold time, FCE1_, FCE2_ and FA valid after
FIORD# & FIOWR# high
0
---
ns
TODD
FIORD# Low to Data Valid Delay
---
8.5
ns
TODH
Read Data Output Hold Time
2.65
---
ns
TRD
FIORD# Pulse Width
12
---
ns
TWDS
Set-up time, FD valid before FIOWR# low
0
---
ns
TWDH
Hold time, FD valid after FIOWR# high
0
---
ns
TWR
FIOWR# Pulse Width
12
---
ns
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