CY2273A
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 V
DD
+0.5
Storage Temperature (Non-Condensing) ... –65°C to +150°C
Max. Soldering Temperature (10 sec) ...................... +260°C
Junction Temperature ............................................... +150°C
Package Power Dissipation .............................................. 1W
Static Discharge Voltage ........................................... >2000V
(per MIL-STD-883, Method 3015, like V
DD
pins tied together)
Operating Conditions
[6]
Parameter
AV
DD
, V
DDQ3
V
DDCPU
V
DDQ2
T
A
C
L
CPU Supply Voltage
IOAPIC Supply Voltage
Operating Temperature, Ambient
Max. Capacitive Load on
CPUCLK, USBCLK, IOAPIC
PCICLK, AGP(-2 only), SDRAM
REF0
Reference Frequency, Oscillator Nominal Value
Description
Analog and Digital Supply Voltage
Min.
3.135
2.375
3.135
2.375
0
10
30, 20
20
14.318
Max.
3.465
2.9
3.465
2.9
70
20
30
45
14.318
MHz
Unit
V
V
V
°C
pF
f
(REF)
Electrical Characteristics
Over the Operating Range
Parameter
V
IH
V
IL
V
ILiic
V
OH
V
OL
V
OH
Description
High-level Input Voltage
Low-level Input Voltage
Low-level Input Voltage
Except Crystal Inputs
Except Crystal Inputs
I
2
C inputs only
I
OH
= 16 mA CPUCLK
I
OH
= 18 mA IOAPIC
Low-level Output Voltage
V
DDCPU
= V
DDQ2
= 2.375V
I
OL
= 27 mA CPUCLK
I
OL
= 29 mA IOAPIC
High-level Output Voltage V
DDQ3
, AV
DD
, V
DDCPU
= 3.135V
I
OH
= 16 mA CPUCLK
I
OH
= 36 mA SDRAM
I
OH
= 32 mA PCICLK
I
OH
= 26 mA USBCLK
I
OH
= 36 mA REF0
V
OL
Low-level Output Voltage
V
DDQ3
, AV
DD
, V
DDCPU
= 3.135V
I
OL
= 27 mA CPUCLK
I
OL
= 29 mA SDRAM
I
OL
= 26 mA PCICLK
I
OL
= 21 mA USBCLK
I
OL
= 29 mA REF0
I
IH
I
IL
I
OZ
I
DD
I
DD
I
DDS
Input High Current
Input Low Current
Output Leakage Current
Power Supply Current
[7]
Power Supply Current
[7]
Power-down Current
V
IH
= V
DD
V
IL
= 0V
Three-state
V
DD
= 3.465V, V
IN
= 0 or V
DD
, Loaded Outputs, CPU = 66.67 MHz
V
DD
= 3.465V, V
IN
= 0 or V
DD
, Unloaded Outputs
Current draw in power-down state
–10
–10
+10
10
+10
300
120
500
µA
µA
µA
mA
mA
µA
0.4V
V
2.4
V
0.4
V
2.0
Test Conditions
Min. Max. Unit
2.0
0.8
0.7
V
V
V
V
High-level Output Voltage V
DDCPU
= V
DDQ2
= 2.375V
Notes:
6. Electrical parameters are guaranteed with these operating conditions.
7. Power supply current will vary with number of outputs which are running.
6
CYPRESS [ CYPRESS SEMICONDUCTOR ]
