參數(shù)資料
型號(hào): PSD835G2-A-90B81I
廠商: 意法半導(dǎo)體
英文描述: Configurable Memory System on a Chip for 8-Bit Microcontrollers
中文描述: 在8片位微控制器可配置存儲(chǔ)系統(tǒng)
文件頁(yè)數(shù): 76/110頁(yè)
文件大小: 570K
代理商: PSD835G2-A-90B81I
PSD835G2
PSD8XX Family
75
Figure 30a. PLD I
CC
/Frequency Consumption
(PSD835G2V Versions, V
CC
= 3 V)
0
10
20
30
40
50
60
V
CC
= 3V
0
10
15
5
20
25
I
C
TURBO ON (100%)
TURBO ON (25%)
TURBOOF
TURBO OFF
HIGHEST COMPOSITE FREQUENCY AT PLD INPUTS (MHz)
PT 100%
PT 25%
Conditions
Highest Composite PLD input frequency
(Freq PLD)
MCU ALE frequency (Freq ALE)
% Flash Access
% SRAM access
% I/O access
Operational Modes
% Normal
% Power Down Mode
Number of product terms used
(from fitter report)
% of total product terms
Turbo Mode
Calculation (typical numbers used)
I
CC
total = Ipwrdown x %pwrdown + %normal x
(
I
CC
(ac) + I
CC
(dc)
)
= Ipwrdown x %pwrdown + % normal x (%flash x 2.5 mA/MHz x Freq ALE
+ %SRAM x 1.5 mA/MHz x Freq ALE
+ % PLD x 2 mA/MHz x Freq PLD
+ #PT x 400 μA/PT
= 50 μA x 0.90 + 0.1 x (0.8 x 2.5 mA/MHz x 4 MHz
+ 0.15 x 1.5 mA/MHz x 4 MHz
+2 mA/MHz x 8 MHz
+ 45 x 0.4 mA/PT)
= 45 μA + 0.1 x (8 + 0.9 + 16 + 18 mA)
= 45 μA + 0.1 x 42.9
= 45 μA + 4.29 mA
= 4.34 mA
This is the operating power with no Flash writes or erases. Calculation is based
on I
OUT
= 0 mA.
=
=
=
=
=
8 MHz
4 MHz
80%
15%
5% (no additional power above base)
=
=
10%
90%
=
=
=
45 PT
45/193 = 23.3%
ON
Example of PSD835G2 Typical Power Calculation at V
CC
= 5.0 V
AC/DC
Parameters
(cont.)
相關(guān)PDF資料
PDF描述
PSD835G2-A-90J Configurable Memory System on a Chip for 8-Bit Microcontrollers
PSD835G2-A-90JI Configurable Memory System on a Chip for 8-Bit Microcontrollers
PSD835G2-A-90M Configurable Memory System on a Chip for 8-Bit Microcontrollers
PSD835G2-A-90MI Configurable Memory System on a Chip for 8-Bit Microcontrollers
PSD835G2-B-20M Configurable Memory System on a Chip for 8-Bit Microcontrollers
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PSD835G2V-90U 功能描述:靜態(tài)隨機(jī)存取存儲(chǔ)器 3.0V 4M 90ns RoHS:否 制造商:Cypress Semiconductor 存儲(chǔ)容量:16 Mbit 組織:1 M x 16 訪問時(shí)間:55 ns 電源電壓-最大:3.6 V 電源電壓-最小:2.2 V 最大工作電流:22 uA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSOP-48 封裝:Tray
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