Cypress CY8C21434, CY8C21334 Electrical Specifications, Units of Measure Symbol Unit of Measure

CY8C21634, CY8C21534

CY8C21434, CY8C21334, CY8C21234

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.

5.25

4.75

VddVoltage

3.00

2.40

Figure 13. Voltage versus CPU Frequency

O V
p a
e l
	i
R r d
a
e t
g i
i n
o	g
n

93 kHz 3 MHz 12 MHz 24 MHz

CPUFrequency

Figure 14. IMO Frequency Trim Options

5.25	0
		SLIMO
	SLIMO
4.75	=
	Mode	Mode=0
	Mode=1
VddVoltage	SLIMO

3.60	SLIMO	SLIMO
3.00	Mode=1	Mode=0
	SLIMO	SLIMO
2.40	Mode=1 Mode=1

93 kHz 6 MHz 12 MHz 24 MHz

IMOFrequency

Table 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
oC	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	W	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	s	sigma: one standard deviation
μVrms	microvolts root-mean-square	V	volts

Document Number: 38-12025 Rev. *O Page 18 of 45

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