ST72334J2TASLASHXXX datasheet(115/150 Pages) STMICROELECTRONICS

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SUPPLY CURRENT CHARACTERISTICS (Cont’d)

15.4.2 Wait and Slow Wait Modes

Figure 64. Typical IDD in WAIT vs. fCPU

Figure 65. Typical IDD in SLOW WAIT vs. fCPU

Notes:

1. Typical data is 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. 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 Wait 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

Typ 1)

Max 2)

Unit

IDD

Supply current in Wait mode 3)

(see Figure 64)

fOSC=2MHz, fCPU=1MHz

fOSC=4MHz, fCPU=2MHz

fOSC=8MHz, fCPU=4MHz

fOSC=16MHz, fCPU=8MHz

0.35

0.7

1.3

2.5

0.6

1.2

2.1

4.0

Supply current in Slow Wait mode 4)

(see Figure 65)

fOSC=2MHz, fCPU=62.5kHz

fOSC=4MHz, fCPU=125kHz

fOSC=8MHz, fCPU=250kHz

fOSC=16MHz, fCPU=500kHz

0.05

0.1

0.2

0.5

0.1

0.2

0.4

1.0

Supply current in Wait mode 3)

(see Figure 64)

fOSC=2MHz, fCPU=1MHz

fOSC=4MHz, fCPU=2MHz

fOSC=8MHz, fCPU=4MHz

fOSC=16MHz, fCPU=8MHz

150

300

500

100

300

600

1000

µA

Supply current in Slow Wait mode 4)

(see Figure 65)

fOSC=2MHz, fCPU=62.5kHz

fOSC=4MHz, fCPU=125kHz

fOSC=8MHz, fCPU=250kHz

fOSC=16MHz, fCPU=500kHz

120

100

160

250

3.2

3.5

4.5

5.5

VDD [V]

0.5

1.5

2.5

IDD [mA]

8MHz

4MHz

2MHz

1MHz

3.2

3.5

4.5

5.5

VDD [V]

0.05

0.1

0.15

0.2

0.25

0.3

0.35

IDD [mA]

500kHz

250kHz

125kHz

62.5kHz

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