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W311_05 Datasheet, PDF (14/19 Pages) Cypress Semiconductor – FTG for VIA™ Pro-266 DDR Chipset
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W311
Absolute Maximum Ratings[2]
Stresses greater than those listed in this table may cause
permanent damage to the device. These represent a stress
rating only. Operation of the device at these or any other condi-
.
Parameter
Description
VDD, VIN
TSTG
TB
TA
ESDPROT
Voltage on any pin with respect to GND
Storage Temperature
Ambient Temperature under Bias
Operating Temperature
Input ESD Protection
tions above those specified in the operating sections of this
specification is not implied. Maximum conditions for extended
periods 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: TA = 0°C to +70°C, VDD = 3.3V±5% and 2.5V±5%
Parameter
Description
Test Condition
Min.
Typ.
Max.
Supply Current
IDD
3.3V Supply Current
IDD
2.5V Supply Current
Logic Inputs
CPU [1:3]=133 MHz[3]
–
260
–
–
25
–
VIL
Input Low Voltage
VIH
Input High Voltage
IIL
Input Low Current[4]
IIH
Input High Current[4]
Clock Outputs
GND – 0.3 –
0.8
2.0
–
VDD + 0.3
–
–
–25
–
–
10
VOL
Output Low Voltage
IOL = 1 mA
VOH
Output High Voltage
IOH = –1 mA
VOH
Output Low Voltage CPUT[1:3]
IOH = –1 mA
APIC[0:2]
–
–
50
3.1
–
–
2.2
–
–
IOL
Output Low Current CPU1:3
VOL = 1.25V
27
57
97
PCI_F, PCI1:8 VOL = 1.5V
20.5
53
139
AGP0:2
VOL = 1.25V
40
85
140
APIC0:2
VOL = 1.25V
40
85
140
REF0:1
VOL = 1.5V
25
37
76
48-MHz
VOL = 1.5V
25
37
76
24-MHz
VOL = 1.5V
25
37
76
IOH
Output High Current CPU1:3
VOH = 1.25V
25
55
97
PCI_F, PCI1:8 VOH = 1.5V
31
55
139
AGP0:2
VOL = 1.25V
40
85
140
APIC0:1
VOH = 1.5V
27
44
94
48-MHz
VOH = 1.5V
27
44
94
24-MHz
VOH = 1.5V
25
37
76
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 22-pF capacitors.
4. Inputs have internal pull-up resistors
Unit
mA
mA
V
V
µA
µA
mV
V
V
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
Document #: 38-07703 Rev. **
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