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IMIC9835CY

Low-EMI Clock Generator for Intel® Mobile 133-MHz/3 SO-DIMM Chipset Systems

Cypress Semiconductor 

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

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