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參數資料
型號: XC56L307VF160
廠商: Freescale Semiconductor
文件頁數: 45/104頁
文件大?。?/td> 0K
描述: IC DSP 24BIT FIXED POINT 196-BGA
標準包裝: 126
系列: DSP563xx
類型: 定點
接口: 主機接口,SSI,SCI
時鐘速率: 160MHz
非易失內存: ROM(576 B)
芯片上RAM: 576kB
電壓 - 輸入/輸出: 3.30V
電壓 - 核心: 1.80V
安裝類型: 表面貼裝
封裝/外殼: 196-LBGA
供應商設備封裝: 196-MAPBGA(15x15)
包裝: 托盤
AC Electrical Characteristics
DSP56L307 Technical Data, Rev. 6
Freescale Semiconductor
2-25
2.4.5.3 Synchronous Timings
Table 2-14.
External Bus Synchronous Timings1,2
No.
Characteristics
Expression3,4,5
100 MHz
Unit
Min
Max
198
CLKOUT high to address, and AA valid
6
0.25
× TC + 4.0
6.5
ns
199
CLKOUT high to address, and AA invalid6
0.25
× TC
2.5
ns
200
TA valid to CLKOUT high (set-up time)
4.0
ns
201
CLKOUT high to TA invalid (hold time)
0.0
ns
202
CLKOUT high to data out active
0.25
× TC
2.5
ns
203
CLKOUT high to data out valid
0.25
× TC + 4.0
6.5
ns
204
CLKOUT high to data out invalid
0.25
× TC
2.5
ns
205
CLKOUT high to data out high impedance
0.25
× TC
—2.5
ns
206
Data in valid to CLKOUT high (set-up)
4.0
ns
207
CLKOUT high to data in invalid (hold)
0.0
ns
208
CLKOUT high to RD assertion
maximum: 0.75
× TC + 2.5
6.7
10.0
ns
209
CLKOUT high to RD deassertion
0.0
4.0
ns
210
CLKOUT high to WR assertion
2
maximum: 0.5
× TC + 4.3
for WS = 1 or WS
≥ 4
for 2
≤WS ≤3
5.0
0.0
9.3
4.3
ns
211
CLKOUT high to WR deassertion
0.0
3.8
ns
Notes:
1.
External bus synchronous timings should be used only for reference to the clock and
not for relative timings.
2.
Synchronous Bus Arbitration is not recommended. Use Asynchronous mode whenever possible.
3.
WS is the number of wait states specified in the BCR.
4.
If WS > 1, WR assertion refers to the next rising edge of CLKOUT.
5.
An expression is used to compute the maximum or minimum value listed, as appropriate. For timing 210, the minimum is an
absolute value.
6.
T198 and T199 are valid for Address Trace mode if the ATE bit in the Operating Mode Register is set. Use the status of BR
(See T212) to determine whether the access referenced by A[0–17] is internal or external, when this mode is enabled.
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