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W199 Datasheet, PDF (9/14 Pages) Cypress Semiconductor – Spread Spectrum FTG for VIA Apollo Pro-133
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PRELIMINARY
W199
Absolute Maximum Ratings
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
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
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: TA = 0°C to +70°C; VDDQ3 = 3.3V±5%; VDDQ2 = 2.5V±5%
Parameter
Description
Test Condition
Min. Typ.
Max.
Supply Current
IDD
3.3V Supply Current
CPU_F: CPU1 = 100 MHz
260
Outputs Loaded[3]
IDD
2.5V Supply Current
CPU_F: CPU1 = 100 MHz
25
Outputs Loaded[3]
Logic Inputs
VIL
Input Low Voltage
VIH
Input High Voltage
IIL
Input Low Current[4]
IIH
Input High Current[4]
Clock Outputs
GND – 0.3
2.0
0.8
VDDQ3 +
0.3
–25
10
VOL
Output Low Voltage
IOL = 1 mA
50
VOH
Output High Voltage
IOH = 1 mA
3.1
VOH
Output High Voltage CPU_F:1, IOAPIC IOH = –1 mA
2.2
IOL
Output Low Current CPU_F, CPU1
VOL = 1.25V
27
57
97
PCI_F, PCI1:5
VOL = 1.5V
20.5
53
139
IOAPIC
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 CPU_F, CPU1
VOH = 1.25V
25
55
97
PCI_F, PCI1:5
VOH = 1.5V
31
55
139
IOAPIC
VOH = 1.25V
40
87
155
REF0:1
VOH = 1.5V
27
44
94
48-MHz
VOH = 1.5V
27
44
94
24-MHz
VOH = 1.5V
25
37
76
Notes:
3. All clock outputs loaded with 6" 60Ω traces with 22-pF capacitors.
4. W199 logic inputs (except FS3) have internal pull-up devices (pull-ups not full CMOS level). Logic input FS3 has an internal pull-down device.
Unit
mA
mA
V
V
µA
µA
mV
V
V
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
9
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