Switching Characteristic: t
參數(shù)資料
型號: ADSP-2105BPZ-80
廠商: Analog Devices Inc
文件頁數(shù): 44/64頁
文件大?。?/td> 0K
描述: IC DSP CONTROLLER 16BIT 68PLCC
標準包裝: 19
系列: ADSP-21xx
類型: 定點
接口: 同步串行端口(SSP)
時鐘速率: 20MHz
非易失內(nèi)存: 外部
芯片上RAM: 3kB
電壓 - 輸入/輸出: 5.00V
電壓 - 核心: 5.00V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 68-LCC(J 形引線)
供應(yīng)商設(shè)備封裝: 68-PLCC(24.23x24.23)
包裝: 管件
產(chǎn)品目錄頁面: 738 (CN2011-ZH PDF)
ADSP-21xx
REV. B
–49–
Frequency
10.24 MHz
Dependency
Parameter
Min
Max
Min
Max
Unit
Switching Characteristic:
tDW
Data Setup before WR High
38.8
0.5tCK – 10 + w
ns
tDH
Data Hold after WR High
14.4
0.25tCK – 10
ns
tWP
WR Pulse Width
43.8
0.5tCK – 5 + w
ns
tWDE
WR Low to Data Enabled
0
tASW
A0–A13, DMS, PMS Setup before WR Low
12.4
0.25tCK – 12
ns
tDDR
Data Disable before WR or RD Low
14.4
0.25tCK – 10
ns
tCWR
CLKOUT High to WR Low
19.4
34.4
0.25tCK – 5
0.25tCK + 10
ns
tAW
A0–A13, DMS, PMS, Setup before WR Deasserted
58.2
0.75tCK – 15 + w
ns
tWRA
A0–A13, DMS, PMS Hold After WR Deasserted
14.4
0.25tCK – 10
ns
tWWR
WR High to RD or WR Low
38.8
0.5tCK – 10
ns
w = wait states
× t
CK.
TIMING PARAMETERS (ADSP-2103/2162/2164)
MEMORY WRITE
Figure 43. Memory Write
CLKOUT
A0 – A13
D
t
WR A
WR
DMS, PMS
t
WWR
t
WP
t
AS W
t
AW
t
CWR
RD
t
DH
t
DD R
t
WDE
t
DW
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