Datasheet

CY8C21634, CY8C21534, CY8C21434
CY8C21334, CY8C21234
Document Number: 38-12025 Rev. AB Page 19 of 53
Electrical Specifications
This section presents the DC and AC electrical specifications of the CY8C21x34 PSoC device. For up-to-date electrical specifications,
visit the Cypress web site at http://www.cypress.com.
Specifications are valid for –40 C  T
A
 85 C and T
J
 100 C as specified, except where noted.
Refer to Table 16 on page 25 for the electrical specifications for the IMO using SLIMO mode.
DC Electrical Characteristics
DC Chip-Level Specifications
Tab le 5 lists the guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75 V to 5.25 V and
–40 °C  T
A
 85 °C, 3.0 V to 3.6 V and –40 °C  T
A
 85 °C, or 2.4 V to 3.0 V and –40 °C  T
A
 85 °C, respectively. Typical parameters
are measured at 5 V, 3.3 V, or 2.7 V at 25 °C and are for design guidance only.
Figure 11. Voltage versus CPU Frequency
Figure 14. IMO Frequency Trim Options
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
V
a
l
i
d
O
p
e
r
a
t
i
n
g
R
e
g
i
o
n
SLIMO
Mode=1
SLIMO
Mode=0
Table 5. DC Chip-level Specifications
Symbol Description Min Typ Max Units Notes
V
DD
Supply voltage 2.40 – 5.25 V See Table 13 on page 23
I
DD
Supply current, IMO = 24 MHz – 3 4 mA Conditions are V
DD
= 5.0 V,
T
A
= 25 °C, CPU = 3 MHz,
48 MHz disabled. VC1 = 1.5 MHz,
VC2 = 93.75 kHz, VC3 = 0.366 kHz
I
DD3
Supply current, IMO = 6 MHz using
SLIMO mode.
– 1.2 2 mA Conditions are V
DD
= 3.3 V,
T
A
= 25 °C, CPU = 3 MHz, clock
doubler disabled. VC1 = 375 kHz,
VC2 = 23.4 kHz, VC3 = 0.091 kHz
I
DD27
Supply current, IMO = 6 MHz using
SLIMO mode.
– 1.1 1.5 mA Conditions are V
DD
= 2.55 V,
T
A
= 25 °C, CPU = 3 MHz, clock
doubler disabled. VC1 = 375 kHz,
VC2 = 23.4 kHz, VC3 = 0.091 kHz
I
SB27
Sleep (mode) current with POR, LVD,
sleep timer, WDT, and internal slow
oscillator active. Mid temperature range.
– 2.6 4 µA V
DD
= 2.55 V, 0 °C T
A
 40 °C
I
SB
Sleep (mode) current with POR, LVD,
Sleep Timer, WDT, and internal slow
oscillator active.
– 2.8 5 µA V
DD
= 3.3 V, –40 °C T
A
 85 °C
V
REF
Reference voltage (Bandgap) 1.28 1.30 1.32 V Trimmed for appropriate V
DD
V
DD
= 3.0 V to 5.25 V
V
REF27
Reference voltage (Bandgap) 1.16 1.30 1.33 V Trimmed for appropriate V
DD
V
DD
= 2.4 V to 3.0 V
AGND Analog ground V
REF
– 0.003 V
REF
V
REF
+ 0.003 V