参数资料
型号: ADSP-2185BSTZ-133
厂商: Analog Devices Inc
文件页数: 14/32页
文件大小: 0K
描述: IC DSP CONTROLLER 16BIT 100TQFP
标准包装: 1
系列: ADSP-21xx
类型: 定点
接口: 主机接口,串行端口
时钟速率: 33.3MHz
非易失内存: 外部
芯片上RAM: 80kB
电压 - 输入/输出: 5.00V
电压 - 核心: 5.00V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 100-LQFP
供应商设备封装: 100-LQFP(14x14)
包装: 托盘
ADSP-2185
REV. 0
–21–
Parameter
Min
Max
Unit
Memory Write
Switching Characteristics:
tDW
Data Setup before
WR High
0.5 tCK – 7+ w
ns
tDH
Data Hold after
WR High
0.25 tCK – 2
ns
tWP
WR Pulse Width
0.5 tCK – 5 + w
ns
tWDE
WR Low to Data Enabled
0
ns
tASW
A0–A13,
xMS Setup before WR Low
0.25 tCK – 6
ns
tDDR
Data Disable before
WR or RD Low
0.25 tCK – 7
ns
tCWR
CLKOUT High to
WR Low
0.25 tCK – 5
0.25 tCK + 7
ns
tAW
A0–A13,
xMS, Setup before WR Deasserted
0.75 tCK – 9 + w
ns
tWRA
A0–A13,
xMS Hold after WR Deasserted
0.25 tCK – 3
ns
tWWR
WR High to RD or WR Low
0.5 tCK – 5
ns
w = wait states
× t
CK
xMS = PMS, DMS, CMS, IOMS, BMS
CLKOUT
A0–A13
D
tWP
tAW
tCWR
tDH
tWDE
tDW
tASW
tWWR
tWRA
tDDR
DMS, PMS,
BMS, CMS,
IOMS
RD
WR
Figure 18. Memory Write
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