W312-02 Datasheet, PDF (16/21 Pages) Cypress Semiconductor – FTG for VIA K7 Series Chipset with Programmable Output Frequency

W312-02
Absolute Maximum Ratings^[2]
Stresses greater than those listed in this table may cause per-
manent damage to the device. These represent a stress rating
only. Operation of the device at these or any other conditions
.
Parameter
Description
V_DD, V_IN
T_STG
T_B
T_A
ESD_PROT
Voltage on any pin with respect to GND
Storage Temperature
Ambient Temperature under Bias
Operating Temperature
Input ESD Protection
above those specified in the operating sections of this specifi-
cation is not implied. Maximum conditions for extended peri-
ods may affect reliability.
Rating
Unit
–0.5 to +7.0
V
–65 to +150
°C
–55 to +125
°C
0 to +70
°C
2 (min.)
kV
DC Electrical Characteristics: T_A = 0°C to +70°C, V_DD = 3.3V±5% and 2.5V±5%
Parameter
Description
Test Condition
Min.
Typ.
Max.
Supply Current
I_DD
3.3V Supply Current
CPU =100 MHz
Outputs Loaded^[3]
260
I_DD
2.5V Supply Current
CPUCS =100 MHz
Outputs Loaded^[3]
25
Logic Inputs
V_IL
Input Low Voltage
V_IH
Input High Voltage
I_IL
Input Low Current^[4]
I_IH
Input High Current^[4]
Clock Outputs
GND – 0.3
2.0
0.8
V_DD + 0.3
–25
10
V_OL
Output Low Voltage
I_OL = 1 mA
50
V_OH
Output High Voltage
I_OH = –1 mA
3.1
V_OL
Output Low Voltage CPUT_CS,
Termination to V pull-up
0
0.3
CPUC_CS,
(external)
CPUT0, CPUC0
V_OH
Output High Voltage CPUT_CS,
Termination to V pull-up
1.0
1.2
CPUC_CS,
(external)
CPUT0, CPUC0
I_OL
Output Low Current PCI, AGP
V_OL = 1.5V
70
110
135
REF
V_OL = 1.5V
50
70
100
48 MHz
V_OL = 1.5V
50
70
100
24_48 MHz
V_OL = 1.5V
50
70
100
I_OH
Output High Current PCI, AGP
V_OH = 1.5V
70
110
135
REF
V_OH = 1.5V
50
70
100
48 MHz
V_OH = 1.5V
50
70
100
24_48 MHz
V_OH = 1.5V
50
70
100
Notes:
2. Multiple Supplies: The voltage on any input or I/O pin cannot exceed the power pin during power-up. Power supply sequencing is NOT required.
3. All clock outputs loaded with 6" 60Ω transmission lines with 20-pF capacitors.
4. X1 input threshold voltage (typical) is V_DD/2.
Unit
mA
mA
V
V
µA
µA
mV
V
V
V
mA
mA
mA
mA
mA
mA
mA
mA
Document #: 38-07259 Rev. *B
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