CY8C21634, CY8C21534
CY8C21434, CY8C21334, CY8C21234
Document Number: 38-12025 Rev. *O Page 18 of 45
Electrical Specifications
This section presents the DC and AC electrical specifications of the CY8C21x34 PSoC device. For up to date electrical specifications,
visit the web site http://www.cypress.com/psoc.
Specifications are valid for -40oC ≤ TA ≤ 85oC and TJ ≤ 100oC as specified, except where noted.
Refer Table 25 on page 26 for the electrical specifications on the internal main oscillator (IMO) using SLIMO mode.
Tabl e 11 lists the units of measure that are used in this section.
Table 11. Units of Measure
Symbol Unit of Measure Symbol Unit of Measure
oCdegree Celsius μWmicrowatts
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
kΩkilohm Wohm
MHz megahertz pA picoampere
MΩmegaohm pF picofarad
μAmicroampere pp peak-to-peak
μFmicrofarad ppm parts per million
μHmicrohenry ps picosecond
μsmicrosecond sps samples per second
μVmicrovolts ssigma: one standard deviation
μVrms microvolts root-mean-square Vvolts
5.25
4.75
3.00
93 kHz 12 MHz 24 MHz
CPU Frequency
Vdd Voltage
5.25
4.75
3.00
93 kHz 12 MHz 24 MHz
IMO Frequency
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
Valid
Operating
Region
SLIMO
Mode=1
SLIMO
Mode=0
Figure 13. Voltage versus CPU Frequency Figure 14. IMO Frequency Trim Options
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