Output Buffer Characteristics
Table 8. CPU, IOAPIC
Parameter
IOH1
IOH2
IOL1
IOL2
Z0
Description
Pull-up Current
Pull-up Current
Pull-down Current
Pull-down Current
Output Impedance
Conditions
Vout =VDDC - 0.5V (or VDDI –0.5V)
Vout = 1.2V
Vout = 0.4V
Vout = 1.2V
Min.
–15
–26
12
27
13.5
Table 9. PCI, 3V66, VCH
Parameter
IOH1
IOH2
IOL1
IOL2
Z0
Description
Pull-up Current
Pull-up Current
Pull-down Current
Pull-down Current
Output Impedance
Conditions
Vout =VDD – 0.5V
Vout = 1. 5V
Vout = 0.4V
Vout = 1.5V
Min.
–20
–30
9.4
28
12
Table 10. 48M0(USB), 481(DOT), REF
Parameter
IOH1
IOH2
IOL1
IOL2
Z0
Description
Pull-up Current
Pull-up Current
Pull-down Current
Pull-down Current
Output Impedance
Conditions
Vout =VDD – 0.5V
Vout = 1. 5V
Vout = 0.4V
Vout = 1.5V
Min.
–12
–27
9
26
20
Table 11. SDRAM (VDD = VDDS = 3.3V ± 5%, VDDC = VDDI = 2.5V ± 5%, TA = 0°C to 70°C)
Parameter
Description
Conditions
Min.
IOH1
Pull-up Current
Vout =VDD – 0.5V
–28
IOH2
Pull-up Current
Vout = 1. 5V
–67
IOL1
Pull-down Current
Vout = 0.4V
23
IOL2
Pull-down Current
Vout = 1.5V
64
Z0
Output Impedance
10
Typ.
–31
–58
24
56
Typ.
–25
–54
18
55
Typ.
–16
–43
13
39
Typ.
–40
–107
34
98
C9835
Max.
–51
–101
40
93
45
Units
mA
mA
mA
mA
Ω
Max.
–33
–184
38
148
55
Units
mA
mA
mA
mA
Ω
Max.
–28
–92
27
79
60
Units
mA
mA
mA
mA
Ω
Max.
–60
–184
53
159
24
Units
mA
mA
mA
mA
Ω
Document #: 38-07303 Rev. **
Page 14 of 18