參數資料
型號: AD14060LBF-4
廠商: Analog Devices Inc
文件頁數: 16/48頁
文件大?。?/td> 0K
描述: IC DSP CMOS 32BIT 308CQFP
產品培訓模塊: SHARC Processor Overview
標準包裝: 1
系列: SHARC®
類型: 浮點
接口: 主機接口,連接端口,串行端口
時鐘速率: 40MHz
非易失內存: 外部
芯片上RAM: 2MB
電壓 - 輸入/輸出: 3.30V
電壓 - 核心: 3.30V
工作溫度: -40°C ~ 100°C
安裝類型: 表面貼裝
封裝/外殼: 308-CBQFP
供應商設備封裝: 308-CQFP(52x52)
包裝: 托盤
AD14060/AD14060L
Rev. B | Page 23 of 48
Table 18. Serial Ports
5 V
3.3 V
Parameter
Min
Max
Min
Max
Unit
External Clock
Timing Requirements:
tSFSE
TFS/RFS Setup before TCLK/RCLK1
4
ns
tHFSE
TFS/RFS Hold after TCLK/RCLK1, 2
4.5
ns
tSDRE
Receive Data Setup before RCLK1
2
ns
tHDRE
Receive Data Hold after RCLK1
4.5
ns
tSCLKW
TCLK/RCLK Width
9.5
ns
tSCLK
TCLK/RCLK Period
tCK
ns
Internal Clock
Timing Requirements:
tSFSI
TFS Setup before TCLK1; RFS Setup before RCLK1
9.5
ns
tHFSI
TFS/RFS Hold after TCLK/RCLK1, 2
1
ns
tSDRI
Receive Data Setup before RCLK1
4.5
ns
tHDRI
Receive Data Hold after RCLK1
3
ns
External or Internal Clock
Switching Characteristics:
tDFSE
RFS Delay after RCLK (Internally Generated RFS)3
14.5
ns
tHFSE
RFS Hold after RCLK (Internally Generated RFS)3
2.5
ns
External Clock
Switching Characteristics:
tDFSE
TFS Delay after TCLK (Internally Generated TFS)3
14.5
ns
tHFSE
TFS Hold after TCLK (Internally Generated TFS)3
3
ns
tDDTE
Transmit Data Delay after TCLK3
17.5
ns
tHDTE
Transmit Data Hold after TCLK3
5
ns
Internal Clock
Switching Characteristics:
tDFSI
TFS Delay after TCLK (Internally Generated TFS)3
5
ns
tHFSI
TFS Hold after TCLK (Internally Generated TFS)3
1.5
ns
tDDTI
Transmit Data Delay after TCLK3
7.5
ns
tHDTI
Transmit Data Hold after TCLK3
0.5
ns
tSCLKIW
TCLK/RCLK Width
(SCLK/2) 2
(SCLK/2) + 2
(SCLK/2) 2.5
(SCLK/2) + 2.5
ns
Enable and Three-State
Switching Characteristics:
tDDTEN
Data Enable from External TCLK3
3.5
4
ns
tDDTTE
Data Disable from External TCLK3
12
ns
tDDTIN
Data Enable from Internal TCLK3
0.5
ns
tDDTTI
Data Disable from Internal TCLK3
3
ns
tDCLK
TCLK/RCLK Delay from CLKIN
23.5 + 3 DT/8
ns
tDPTR
SPORT Disable after CLKIN
18.5
ns
Gated SCLK with External TFS (Mesh Multiprocessing)
Timing Requirements:
tSTFSCK
TFS Setup before CLKIN
5.5
ns
tHTFSCK
TFS Hold after CLKIN
(TCK/2) + 0.5
ns
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