参数资料
型号: ST72C334N4B3XXX
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDIP56
封装: 0.600 INCH, PLASTIC, SDIP-56
文件页数: 17/153页
文件大小: 2235K
代理商: ST72C334N4B3XXX
ST72334J/N, ST72314J/N, ST72124J
113/153
16.4 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).
16.4.1 RUN and SLOW Modes
Figure 63. Typical IDD in RUN vs. fCPU
Figure 64. Typical IDD in SLOW vs. fCPU
Notes:
1. Typical data are based on TA=25°C, VDD=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)
4.5
V
≤V
DD
≤5.5
V
fOSC=2MHz, fCPU=1MHz
fOSC=4MHz, fCPU=2MHz
fOSC=8MHz, fCPU=4MHz
fOSC=16MHz, fCPU=8MHz
1.2
2.1
3.9
7.4
1.8
3.5
7.0
14.0
mA
Supply current in SLOW mode 4)
fOSC=2MHz, fCPU=62.5kHz
fOSC=4MHz, fCPU=125kHz
fOSC=8MHz, fCPU=250kHz
fOSC=16MHz, fCPU=500kHz
0.4
0.5
0.7
1.0
0.9
1.1
1.4
2.0
Supply current in RUN mode 3)
3.
2V
≤V
DD
≤3
.6V
fOSC=2MHz, fCPU=1MHz
fOSC=4MHz, fCPU=2MHz
fOSC=8MHz, fCPU=4MHz
fOSC=16MHz, fCPU=8MHz
0.3
0.8
1.6
3.5
1
1.5
3
7
Supply current in SLOW mode 4)
fOSC=2MHz, fCPU=62.5kHz
fOSC=4MHz, fCPU=125kHz
fOSC=8MHz, fCPU=250kHz
fOSC=16MHz, fCPU=500kHz
0.1
0.2
0.3
0.5
0.3
0.5
0.6
1.0
3.2
3.5
4
4.5
5
5.5
VDD [V]
0
1
2
3
4
5
6
7
8
IDD [mA]
8MHz
4MHz
2MHz
1MHz
3.2
3.5
4
4.5
5
5.5
VDD [V]
0
0.2
0.4
0.6
0.8
1
1.2
IDD [mA]
500kHz
250kHz
125kHz
62.5kHz
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