cy2275a Cypress Semiconductor Corporation., cy2275a Datasheet - Page 5

• Manufacturer Part Number: cy2275a
• Description: Pentium Clock Synthesizer/driver Desktop With Intel 82440lx With Dimms
• Manufacturer: Cypress Semiconductor Corporation.

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
Operating Conditions
Electrical Characteristics
V
V
T
C
f
V
V
V
V
V
V
V
I
I
I
I
I
I
Notes:
AV
(REF)
Parameter
IH
IL
OZ
DD
DD
DDS
4.
5.
A
DDCPU
DDQ2
L
OH
OL
OH
OL
IH
IL
ILiic
Parameter
DD
Electrical parameters are guaranteed with these operating conditions.
Power supply current will vary with number of outputs which are running.
, V
DDQ3
High-level Input Voltage
Low-level Input Voltage
Low-level Input Voltage
High-level Output Voltage V
Low-level Output Voltage
High-level Output Voltage V
Low-level Output Voltage
Input High Current
Input Low Current
Output Leakage Current
Power Supply Current
Power Supply Current
Power-down Current
Analog and Digital Supply Voltage
CPU Supply Voltage
IOAPIC Supply Voltage
Operating Temperature, Ambient
Max. Capacitive Load on
Reference Frequency, Oscillator Nominal Value
Description
CPUCLK, IOAPIC[0:1]
PCICLK, SDRAM
REF0
[4]
Over the Operating Range
[5]
[5]
Except Crystal Inputs
Except Crystal Inputs
I
V
V
V
V
Three-state
V
CPU clocks = 66.67 MHz
V
Current draw in power-down state
2
DDCPU
DDCPU
DDQ3
DDQ3
IH
IL
DD
DD
C inputs only
= 0V
= V
= 3.465V, V
= 3.465V, V
Description
, AV
, AV
DD
= V
= V
DD
DD
DDQ2
DD
DDQ2
= 3.135V
= 3.135V
+0.5
IN
IN
= 2.375V
= 2.375V
= 0 or V
= 0 or V
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
Test Conditions
DD
DD
, Loaded Outputs,
, Unloaded Outputs
I
I
I
I
I
I
I
I
I
I
OH
OH
OL
OL
OH
OH
OH
OL
OL
OL
= 27 mA CPUCLK
= 29 mA IOAPIC
= 29 mA SDRAM
= 26 mA PCICLK
= 29 mA REF0
= 16 mA CPUCLK
= 18 mA IOAPIC
= 36 mA SDRAM
= 32 mA PCICLK
= 36 mA REF0
14.318
30, 20
3.135
2.375
2.375
Min.
10
20
0
DD
14.318
3.465
Max.
2.9
2.9
70
20
30
45
pins tied together)
Min. Max. Unit
–10
–10
2.0
2.0
2.4
CY2275A
0.4V
+10
+10
300
120
500
0.8
0.7
0.4
10
MHz
Unit
pF
V
V
V
C
mA
mA
V
V
V
V
V
V
V
A
A
A
A