參數(shù)資料
型號: ADSP-BF518BSWZ-4F4
廠商: Analog Devices Inc
文件頁數(shù): 50/68頁
文件大?。?/td> 0K
描述: IC DSP 16/32B 400MHZ LP 176LQFP
標準包裝: 1
系列: Blackfin®
類型: 定點
接口: 以太網(wǎng),I²C,PPI,RSI,SPI,SPORT,UART/USART
時鐘速率: 400MHz
非易失內存: 閃存(4Mb)
芯片上RAM: 116kB
電壓 - 輸入/輸出: 1.8V,2.5V,3.3V
電壓 - 核心: 1.30V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 176-LQFP 裸露焊盤
供應商設備封裝: 176-LQFP-EP(24x24)
包裝: 托盤
Rev. B
|
Page 54 of 68
|
January 2011
ADSP-BF512/BF512F, BF514/BF514F, BF516/BF516F, BF518/BF518F
Figure 57. Driver Type A Typical Rise and Fall Times (10%–90%) vs.
Load Capacitance (2.5V VDDEXT/VDDMEM)
Figure 58. Driver Type A Typical Rise and Fall Times (10%–90%) vs.
Load Capacitance (3.3V VDDEXT/VDDMEM)
Figure 59. Driver Type B Typical Rise and Fall Times (10%–90%) vs.
Load Capacitance (1.8V VDDEXT/VDDMEM)
4
RISE
AND
F
ALL
TIME
(ns)
LOAD CAPACITANCE (pF)
0
50
100
150
250
8
6
0
1
2
5
200
t
RISE
t
FALL
3
7
t
RISE = 2.5V @ 25°C
t
FALL = 2.5V @ 25°C
3
RISE
AND
F
ALL
TIME
(ns)
LOAD CAPACITANCE (pF)
0
50
100
150
250
6
5
0
1
2
4
200
t
RISE
t
FALL
t
RISE = 3.3V @ 25°C
t
FALL = 3.3V @ 25°C
4
RISE
AND
F
ALL
TIME
(ns)
LOAD CAPACITANCE (pF)
0
50
100
150
250
9
7
0
1
3
6
200
t
RISE
t
FALL
t
RISE = 1.8V @ 25°C
t
FALL = 1.8V @ 25°C
2
5
8
Figure 60. Driver Type B Typical Rise and Fall Times (10%–90%) vs.
Load Capacitance (2.5V VDDEXT/VDDMEM)
Figure 61. Driver Type B Typical Rise and Fall Times (10%–90%) vs.
Load Capacitance (3.3V VDDEXT/VDDMEM)
Figure 62. Driver Type C Typical Rise and Fall Times (10%–90%) vs.
Load Capacitance (1.8V VDDEXT/VDDMEM)
4
RISE
AND
F
ALL
TIME
(ns)
LOAD CAPACITANCE (pF)
0
50
100
150
250
7
6
0
1
2
5
200
t
RISE
t
FALL
3
t
RISE = 2.5V @ 25°C
t
FALL = 2.5V @ 25°C
3
RISE
AND
F
ALL
TIME
(ns)
LOAD CAPACITANCE (pF)
0
50
100
150
250
6
5
0
1
2
4
200
t
RISE
t
FALL
t
RISE = 3.3V @ 25°C
t
FALL = 3.3V @ 25°C
15
RISE
AND
F
ALL
TIME
(ns)
LOAD CAPACITANCE (pF)
0
50
100
150
250
25
20
0
5
10
200
t
RISE
t
FALL
t
RISE = 1.8V @ 25°C
t
FALL = 1.8V @ 25°C
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