W149 Datasheet, PDF (9/14 Pages) Cypress Semiconductor – 440BX AGPset Spread Spectrum Frequency Synthesizer

W149
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
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_DDQ3 = 3.3V±5%; V_DDQ2 = 2.5V±5%
Parameter
Description
Test Condition
Min.
Typ.
Supply Current
I_DD
3.3V Supply Current
CPU0:1 = 100 MHz
Outputs Loaded^[4]
260
I_DD
2.5V Supply Current
CPU0:1 = 100 MHz
Outputs Loaded^[4]
25
Logic Inputs
V_IL
Input Low Voltage
V_IH
Input High Voltage
I_IL
Input Low Current^[5]
I_IH
Input High Current^[5]
Clock Outputs
GND – 0.3
2.0
V_OL
Output Low Voltage
I_OL = 1 mA
V_OH
Output High Voltage
I_OH = 1 mA
3.1
V_OH
Output High Voltage CPU0:1,
I_OH = –1 mA
2.2
IOAPIC
I_OL
Output Low Current CPU0:1
V_OL = 1.25V
PCI_F, PCI1:5 V_OL = 1.5V
IOAPIC
V_OL = 1.25V
REF0:1
V_OL = 1.5V
48MHz
V_OL = 1.5V
24MHz
V_OL = 1.5V
I_OH
Output High Current CPU0:1
V_OH = 1.25V
I_OH
Output High Current PCI_F, PCI1:5 V_OH = 1.5V
IOAPIC
V_OH = 1.25V
REF0:1
V_OH = 1.5V
48MHz
V_OH = 1.5V
24MHz
V_OH = 1.5V
Notes:
4. All clock outputs loaded with 6" 60Ω traces with 22-pF capacitors.
5. W149 logic inputs have internal pull-up devices (pull-ups not full CMOS level).
27
57
20.5
53
40
85
25
37
25
37
25
37
25
55
31
55
40
87
27
44
27
44
25
37
Max. Unit
mA
mA
0.8
V
V_DD + 0.3 V
–25
µA
10
µA
50
mV
V
V
97
mA
139
mA
140
mA
76
mA
76
mA
76
mA
97
mA
139
mA
155
mA
94
mA
94
mA
76
mA
9