W48S87-04 Datasheet, PDF (15/21 Pages) Cypress Semiconductor – Spread Spectrum 3 DIMM Desktop Clock

PRELIMINARY
W48S87-04
3.3V DC Electrical Characteristics (CPU3.3#_2.5 Input = 0) (continued)
T_A = 0°C to +70°C, VDD1:3 = VDDL1:2 = 3.3V±5% (3.135–3.465V)
Parameter
Description
Test Condition
I_OH
Output High Current
CPU0:3^[10]
V_OH = 1.5V
SDRAM0:11
PCI_F, PCI0:5
IOAPIC
REF0
REF1
48/24MHZ
Pin Capacitance/Inductance
C_IN
Input Pin Capacitance
C_OUT
Output Pin Capacitance
L_IN
Input Pin Inductance
Serial Input Port
Except X1 and X2
V_IL
Input Low Voltage
V_IH
Input High Voltage
I_IL
Input Low Current
V_DD = 3.3V
V_DD = 3.3V
No internal pull-up/down
on SCLOCK
I_IH
Input High Current
No internal pull-up/down
on SCLOCK
I_OL
Sink Current into SDATA,
I_OL = 0.3V_DD
Open Drain N-Channel Device On
C_IN
Input Capacitance of SDATA and
SCLOCK
C_SDATA
C_SCLOCK
Total Capacitance of SDATA Bus
Total Capacitance of SCLOCK Bus
Min.
55
80
55
100
60
45
55
0.7V_DD
6
Typ.
85
120
85
150
85
65
85
Max.
Unit
125
mA
175
125
220
110
90
125
5
pF
6
pF
7
nH
0.3V_DD
V
V
10
µA
10
µA
mA
10
pF
400
pF
400
pF
2.5V DC Electrical Characteristics (CPU3.3#_2.5 Input = 1)
T_A = 0°C to +70°C, VDD1:3 = 3.3V±5% (3.135–3.456V), VDDL1:2 = 2.5V±5% (2.375–2.625V)
Parameter
Description
Test Condition
Min.
Supply Current
I_DD-3.3V
3.3V Supply Current
CPU0:3 = 66.4 MHz
Outputs Loaded^[8]
I_DD-2.5
2.5V Supply Current
CPU0:3= 66.4 MHz
Outputs Loaded^[8]
Logic Inputs
V_IL
Input Low Voltage
V_IH
Input High Voltage
2.0
I_IL
Input Low Current^[9]
I_IH
Input High Current^[9]
Typ.
Max.
Unit
300
mA
50
mA
0.8
V
V
10
µA
10
µA
15