DC Characteristics

Table 9–7 Pin Type: Open-Drain Output Driver (O_OD)

Parameter

 

Test

 

 

 

Symbol

Description

Conditions

Minimum

Maximum

 

 

 

 

 

VOL

Low-level output voltage

IOL = 70 mA

400 mV

IOZ

High impedance output current

0 < V < VDD

150

μA

COD

Open-drain pin capacitance

Freq = 10 MHz

5.7 pF

 

 

 

 

Note 6

 

Table 9–8 Bidirectional, Differential Amplifier Receiver, Open-Drain Output Driver (B_DA_OD)

 

 

 

 

 

 

Parameter

 

 

 

 

 

Symbol

Description

Test Conditions

Minimum

Maximum

 

 

 

 

 

VIL

Low-level input voltage

Note 5

VREF –200 mv

VIH

High-level input voltage

VREF + 200 mV

 

VOL

Low-level output voltage

IOL = 70 mA

400 mV

II

Input current

VSS V VDD

150

μA1

CIN

Input-pin capacitance

Freq =10 MHz

5.7 pF

 

 

 

 

Note 6

 

 

 

 

 

 

1Measurement taken with output driver disabled.

Table 9–9 Pin Type: Open-Drain Driver for Test Pins (O_OD_TP)

Parameter

 

Test

 

 

 

Symbol

Description

Conditions

Minimum

Maximum

 

 

 

 

 

VOL

Low-level output voltage

IOL = 15 mA

400 mV

IOZ

High-impedance output current

0 < V < VDD

150

μA

COD_TP

Pin capacitance

Freq = 10 MHz

5.2 pF

 

 

 

 

Note 6

 

Table 9–10 Bidirectional, Differential Amplifier Receiver, Push-Pull Output Driver (B_DA_PP)

 

 

 

 

 

 

Parameter

 

 

 

 

 

Symbol

Description

Test Conditions

Minimum

Maximum

 

 

 

 

 

VIL

Low-level input voltage

VREF – 200 mV

VIH

High-level input voltage

VREF + 200 mV —

 

VOL

Low-level output voltage

IOL = 6 mA

400 mV

VOH

High-level output voltage

IOH = –6 mA

VDD – 400 mV

 

II

Input current

VSS V VDD

150

μA1

CIN

Input-pin capacitance

Freq =10 MHz

6.0 pF

 

 

 

 

Note 6

 

 

 

 

 

 

1Measurement taken with output driver disabled.

9–4

Electrical Data

Alpha 21264/EV67 Hardware Reference Manual

Page 244
Image 244
Compaq EV67, 21264 Pin Type Open-Drain Output Driver OOD, Ioz, Pin Type Open-Drain Driver for Test Pins Oodtp, Codtp