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参数资料
型号： ST72C254G1B7
厂商： STMICROELECTRONICS
元件分类： 微控制器/微处理器
英文描述： 8-BIT, FLASH, 6 MHz, MICROCONTROLLER, PDIP32
封装： SHRINK, PLASTIC, DIP-32
文件页数： 136/136页
文件大小： 929K
代理商： ST72C254G1B7
ST72104G, ST72215G, ST72216G, ST72254G
99/136
14.4 SUPPLY CURRENT CHARACTERISTICS
The following current consumption specified for
the ST7 functional operating modes over tempera-
ture range does not take into account the clock
source current consumption. To get the total de-
vice consumption, the two current values must be
added (except for HALT mode for which the clock
is stopped).
14.4.1 RUN and SLOW Modes
Figure 59. Typical IDD in RUN vs. fCPU
Figure 60. Typical IDD in SLOW vs. fCPU
Notes:
1. Typical data are based on TA=25
°C, V
DD=5V (4.5V≤VDD≤5.5V range) and VDD=3.4V (3.2V≤VDD≤3.6V range).
2. Data based on characterization results, tested in production at VDD max. and fCPU max.
3. CPU running with memory access, all I/O pins in input mode with a static value at VDD or VSS (no load), all peripherals
in reset state; clock input (OSC1) driven by external square wave, CSS and LVD disabled.
4. SLOW mode selected with fCPU based on fOSC divided by 32. All I/O pins in input mode with a static value at VDD or
VSS (no load), all peripherals in reset state; clock input (OSC1) driven by external square wave, CSS and LVD disabled.
Symbol
Parameter
Conditions
Max
Unit
I
DD(
Ta)
Supply current variation vs. temperature
Constant VDD and fCPU
10
%
Symbol
Parameter
Conditions
Typ 1)
Max 2)
Unit
IDD
Supply current in RUN mode 3)
(see Figure 59)
4.5V
≤
V
DD
≤5.5V
fOSC=1MHz, fCPU=500kHz
fOSC=4MHz, fCPU=2MHz
fOSC=16MHz, fCPU=8MHz
500
1500
5600
900
2500
9000
A
Supply current in SLOW mode 4)
(see Figure 60)
fOSC=1MHz, fCPU=31.25kHz
fOSC=4MHz, fCPU=125kHz
fOSC=16MHz, fCPU=500kHz
150
250
670
450
550
1250
Supply current in RUN mode 3)
(see Figure 59)
3.2V
≤V
DD
≤3.6V
fOSC=1MHz, fCPU=500kHz
fOSC=4MHz, fCPU=2MHz
fOSC=16MHz, fCPU=8MHz
300
970
3600
550
1350
4500
Supply current in SLOW mode 4)
(see Figure 60)
fOSC=1MHz, fCPU=31.25kHz
fOSC=4MHz, fCPU=125kHz
fOSC=16MHz, fCPU=500kHz
100
170
420
250
300
700
3.2
3.5
4
4.5
5
5.5
VDD [V]
0
1
2
3
4
5
6
7
IDD [mA]
8MHz
4MHz
2MHz
500kHz
3.2
3.5
4
4.5
5
5.5
VDD [V]
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
IDD [mA]
500kHz
250kHz
125kHz
31.25kHz
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