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9–4 Electrical Data
Alpha 21264/EV67 Hardware Reference Manual
DC Characteristics
Table 9–7 Pin Type: Open-Drain Output Driver (O_OD)
Parameter
Symbol Description
Test
Conditions Minimum Maximum
V
OL
Low-level output voltage I
OL
= 70 mA —400 mV
|I
OZ
| High impedance output current 0 < V < VDD — 150 µA
C
OD
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
V
IL
Low-level input voltage Note 5 — VREF –200 mv
V
IH
High-level input voltage — VREF + 200 mV —
V
OL
Low-level output voltage I
OL
= 70 mA — 400 mV
| I
I
| Input current VSS ≤ V ≤ VDD — 150 µA
1
C
IN
Input-pin capacitance Freq =10 MHz — 5.7 pF
Note 6
1
Measurement taken with output driver disabled.
Table 9–9 Pin Type: Open-Drain Driver for Test Pins (O_OD_TP)
Parameter
Symbol Description
Test
Conditions Minimum Maximum
V
OL
Low-level output voltage I
OL
= 15 mA —400 mV
| I
OZ
| High-impedance output current 0 < V < VDD — 150 µA
C
OD
_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
V
IL
Low-level input voltage — — VREF – 200 mV
V
IH
High-level input voltage — VREF + 200 mV —
V
OL
Low-level output voltage I
OL
= 6 mA — 400 mV
V
OH
High-level output voltage I
OH
= –6 mA VDD – 400 mV —
| I
I
| Input current VSS ≤ V ≤ VDD — 150 µA
1
C
IN
Input-pin capacitance Freq =10 MHz — 6.0 pF
Note 6
1
Measurement taken with output driver disabled.