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W48S87-72 Datasheet, PDF (12/19 Pages) Cypress Semiconductor – Desktop/Notebook Frequency Generator
W48S87-72
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
TA
TB
ESDPROT
Voltage on any pin with respect to GND
Storage Temperature
Operating Temperature
Ambient Temperature under Bias
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
0 to +70
°C
–55 to +125
°C
2 (min.)
kV
DC Electrical Characteristics:
TA = 0°C to +70°C, VDDQ3 = 3.3V±5% (3.135–3.465V) fXTL = 14.31818 MHz, VDDQ2 = 2.5±5%
Parameter
Description
Test Condition
Min.
Typ.
Supply Current
IDDQ3
Supply Current (3.3V)
CPUCLK =66.8 MHz
Outputs Loaded[4]
120
150
IDDQ2
Supply Current (2.5V)
CPUCLK =66.8 MHz
Outputs Loaded[4]
Logic Inputs
VIL
Input Low Voltage
VIH
Input High Voltage
2.0
IIL
Input Low Current[5]
IIH
Input High Current[5]
Clock Outputs
VOL
Output Low Voltage
IOL = 1 mA
VOH
Output High Voltage
IOH = –1 mA
3.1
VOH
Output High Voltage (CPU, IOAPIC)
IOH = –1 mA
2.2
IOL
Output Low Current CPU0:3
VOL = 1.25V
155
SDRAM0:7 VOL = 1.5V
100
PCI_F, PCI0:5 VOL = 1.5V
95
IOAPIC
VOL = 1.25V
85
REF0
VOL = 1.5V
75
REF1
VOL = 1.5V
60
48/24MHZ
VOL = 1.5V
60
IOH
Output High Current CPU0:3
VOL = 1.25V
125
SDRAM0:7 VOL = 1.5V
95
PCI_F, PCI0:5 VOL = 1.5V
100
IOAPIC
VOL = 1.25V
80
REF0
VOL = 1.5V
80
REF1
VOL = 1.5V
65
48/24MHZ
VOL = 1.5V
60
Notes:
4. All clock outputs loaded with maximum lump capacitance test load specified in AC Electrical Characteristics section.
5. W48S87-72 logic inputs have internal pull-up devices. (Not CMOS level.)
Max.
Unit
200
mA
50
mA
0.8
V
V
10
µA
10
µA
50
mV
V
V
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
12