Cypress Semiconductor Perform CY8C21x23 Manuel d'utilisateur télécharger pdf (Page 14)

February 2005 Document No. 38-12022 Rev. *G 14

3. Electrical Specifications

This chapter presents the DC and AC electrical specifications of the CY8C21x23 PSoC device. For the most up to date electrical

specifications, confirm that you have the most recent data sheet by going to the web at http://www.cypress.com/psoc.

Specifications are valid for -40

C ≤ T

≤ 85

C and T

≤ 100

C, except where noted.

Refer to Table 3-15 for the electrical specifications on the internal main oscillator (IMO) using SLIMO mode.

Figure 3-1a. Voltage versus CPU Frequency Figure 3-1b. Voltage versus IMO Frequency

The following table lists the units of measure that are used in this chapter.

Table 3-1: Units of Measure

Symbol Unit of Measure Symbol Unit of Measure

degree Celsius µW microwatts

dB decibels mA milli-ampere

fF femto farad ms milli-second

Hz hertz mV milli-volts

KB 1024 bytes nA nanoampere

Kbit 1024 bits ns nanosecond

kHz kilohertz nV nanovolts

kΩ kilohm Ω ohm

MHz megahertz pA picoampere

MΩ megaohm pF picofarad

µA microampere pp peak-to-peak

µF microfarad ppm parts per million

µH microhenry ps picosecond

µs microsecond sps samples per second

µV microvolts σ sigma: one standard deviation

µVrms microvolts root-mean-square V volts

5.25

4.75

3.00

93 k Hz 12 M Hz 24 M Hz

CP U Fre q ue n cy

Vdd Voltage

5.25

4.75

3.00

93 k Hz

12 MHz 24 MHz

IMO Fre que ncy

Vdd Voltage

3.60

6 MHz

SLIMO Mode = 0

SLIMO

Mode=0

2.40

SLIMO

Mode=1

SLIMO

Mode=1

SLIMO

Mode=1

2.40

3 MHz

SLIMO

Mode=1

SLIMO

Mode=0

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 32 33

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