CY2285
5
Maximum Ratings
(Above which the useful life may be impaired. For user guide-
lines, not tested.)
Supply Voltage ..................................................–0.5 to +7.0V
Input Voltage .............................................. –0.5V to VDD+0.5
Storage Temperature (Non-Condensing) ... –65
°C to +150°C
Max. Soldering Temperature (10 sec) ...................... +260
°C
Junction Temperature ............................................... +150
°C
Static Discharge Voltage ........................................... >2000V
(per MIL-STD-883, Method 3015, like VDD pins tied together)
Operating Conditions[5]
Parameter
Description
Min.
Max.
Unit
VDD
Analog and Digital 3.3V Supply Voltage
3.135
3.465
V
VDDCPU
CPU Supply Voltage
2.375
2.625
V
TA
Operating Temperature, Ambient
0
70
°C
CL
Max. Capacitive Load on
CPUCLK
PCICLK
REF
20
30
35
pF
f(REF)
Reference Frequency, Oscillator Nominal Value
14.318
14.318
MHz
Electrical Characteristics Over the Operating Range
Parameter
Description
Test Conditions
Min. Max. Unit
VIH
High-level Input Voltage
Except Crystal Inputs[6]
2.0
V
VIL
Low-level Input Voltage
Except Crystal Inputs[6]
0.8
V
VOH
High-level Output Voltage
VDDCPU = 2.375V
IOH = 12 mA
CPUCLK
2.0
V
VOL
Low-level Output Voltage
VDDCPU = 2.375V
IOL = 12 mA
CPUCLK
0.4
V
VOH
High-level Output Voltage
VDDPCI, AVDD, VDDREF = 3.135V
IOH = 14.5 mA PCICLK
2.4
V
IOH = 16 mA
REF
IOH = 36 mA
REF[7]
VOL
Low-level Output Voltage
VDDPCI, AVDD, VDDREF = 3.135V
IOL = 9.4 mA
PCICLK
0.4V
V
IOL = 9 mA
REF
IOL = 29 mA
REF[7]
IIH
Input High Current
VIH = VDD
–10
+10
µA
IIL
Input Low Current
VIL = 0V
10
µA
IOZ
Output Leakage Current
Three-state
–10
+10
µA
IDD25
Power Supply Current for
2.5V clocks
VDDCPU = 2.625V, VIN = 0 or VDD, Loaded Outputs, CPU = 66.6 MHz
70
mA
IDD25
Power Supply Current for
2.5V clocks
VDDCPU = 2.625V, VIN = 0 or VDD, Loaded Outputs, CPU = 100 MHz
100
mA
IDD33
Power Supply Current for
3.3V clocks
VDD = 3.465V, VIN = 0 or VDD, Loaded Outputs
170
mA
IDDS
Powerdown Current
Current draw in powerdown state
500
µA
Notes:
5.
Electrical parameters are guaranteed with these operating conditions.
6.
Crystal Inputs have CMOS thresholds, nominally VDD/2.
7.
CY2285-2 option only.
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