Timing Requirement: t
參數(shù)資料
型號(hào): ADSP-2105BPZ-80
廠(chǎng)商: Analog Devices Inc
文件頁(yè)數(shù): 27/64頁(yè)
文件大小: 0K
描述: IC DSP CONTROLLER 16BIT 68PLCC
標(biāo)準(zhǔn)包裝: 19
系列: ADSP-21xx
類(lèi)型: 定點(diǎn)
接口: 同步串行端口(SSP)
時(shí)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(lèi)型: 表面貼裝
封裝/外殼: 68-LCC(J 形引線(xiàn))
供應(yīng)商設(shè)備封裝: 68-PLCC(24.23x24.23)
包裝: 管件
產(chǎn)品目錄頁(yè)面: 738 (CN2011-ZH PDF)
ADSP-21xx
REV. B
–33–
Frequency Dependency
(CLKIN
≤ 25 MHz)
Parameter
Min
Max
Unit
Timing Requirement:
tRDD
RD Low to Data Valid
0.5tCK – 13 + w
ns
tAA
A0–A13, PMS, DMS, BMS to Data Valid
0.75tCK – 18 + w
ns
tRDH
Data Hold from RD High
0
Switching Characteristic:
tRP
RD Pulse Width
0.5tCK – 8 + w
ns
tCRD
CLKOUT High to RD Low
0.25tCK – 5
0.25tCK + 10
ns
tASR
A0–A13, PMS, DMS, BMS Setup before
RD Low
0.25tCK – 10
1
ns
tRDA
A0–A13, PMS, DMS, BMS Hold after RD
Deasserted
0.25tCK – 9
ns
tRWR
RD High to RD or WR Low
0.5tCK – 5
ns
NOTES
1For 25 MHz only minimum frequency dependency formula for t
ASR = (0.25tCK – 8.5).
w = wait states
× t
CK.
TIMING PARAMETERS (ADSP-2101/2105/2111/2115/2161/2163)
MEMORY READ
Figure 32. Memory Read
CLKOUT
A0 – A13
D
t
RDA
RD
WR
DMS, PMS
BMS
t
RWR
t
RP
t
ASR
t
CRD
t
RDD
t
AA
t
RDH
13 MHz
13.824 MHz
16.67 MHz
20 MHz
25 MHz
Parameter
Min
Max
Min
Max
Min
Max
Min
Max Min
Max Unit
Timing Requirement:
tRDD
RD Low to Data Valid
23.5
23.2
17
12
7
ns
tAA
A0–A13, PMS, DMS, BMS to Data Valid
37.7
36.2
27
19.5
12
ns
tRDH
Data Hold from RD High
0
ns
Switching Characteristic:
tRP
RD Pulse Width
33.5
28.2
22
17
12
ns
tCRD
CLKOUT High to RD Low
14.2
29.2
13.1
28.1
10
25
7.5
22.5
5
20
ns
tASR
A0–A13, PMS, DMS, BMS Setup before
9.2
8.1
5
2.5
1.5
1
ns
RD Low
tRDA
A0–A13, PMS, DMS, BMS Hold after RD
10.2
9.1
6
3.5
1
ns
Deasserted
tRWR
RD High to RD or WR Low
33.5
31.2
25
20
15
ns
相關(guān)PDF資料
PDF描述
EEM06DTMH CONN EDGECARD 12POS R/A .156 SLD
HSC40DRTF-S13 CONN EDGECARD 80POS .100 EXTEND
XC95288XL-7FG256C IC CPLD 288 MCELL C-TEMP 256FBGA
VI-B7L-CX-B1 CONVERTER MOD DC/DC 28V 75W
TAP336J010CRW CAP TANT 33UF 10V 5% RADIAL
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADSP-2105BPZ-80 制造商:Analog Devices 功能描述:IC 16-BIT MICROCOMPUTER
ADSP-2105BPZ-80RL 制造商:Analog Devices 功能描述:
ADSP-2105KP-40 制造商:Analog Devices 功能描述:Digital Signal Processor, 16 Bit, 68 Pin, Plastic, PLCC
ADSP2105KP55 制造商:AD 功能描述:*
ADSP-2105KP-55 制造商:Analog Devices 功能描述:SEMICONDUCTOR ((NW))