3. Electrical Specifications
This chapter presents the DC and AC electrical specifications of the CY8C21x34 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 -40oC ≤ T ≤ 85oC and T ≤ 100oC as specified, except where noted.
A
J
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. IMO Frequency Trim Options
5.25
5.25
SLIMO
SLIMO
Mode=1
Mode=0
4.75
4.75
3.60
3.00
2.40
SLIMO
Mode=1
SLIMO
Mode=0
3.00
2.40
SLIMO SLIMO
Mode=1 Mode=1
93 kHz
12 MHz
CPUFrequency
24 MHz
3 MHz
93 kHz
6 MHz
12 MHz
24 MHz
IMOFrequency
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
µW
mA
ms
mV
nA
Unit of Measure
o
C
degree Celsius
decibels
microwatts
dB
fF
milli-ampere
milli-second
milli-volts
femto farad
hertz
Hz
KB
1024 bytes
1024 bits
nanoampere
nanosecond
nanovolts
Kbit
kHz
kΩ
ns
kilohertz
nV
kilohm
Ω
ohm
MHz
MΩ
µA
megahertz
megaohm
microampere
microfarad
microhenry
microsecond
microvolts
pA
picoampere
picofarad
pF
pp
peak-to-peak
parts per million
picosecond
µF
ppm
ps
µH
µs
sps
σ
samples per second
sigma: one standard deviation
volts
µV
µVrms
microvolts root-mean-square
V
January 12, 2007
Document No. 38-12025 Rev. *K
17
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