Intel Pentium 4 Processor in the 478-PinPackage at 1.40 GHz, 1.50 GHz, 1.60 GHz, 1.70 GHz, 1.80 GHz, 1.90 GHz, and 2GHz
Pin Listing and Signal Definitions
66
Datasheet
N21 VSS Power/Other
N22 D#[33] Source Synch Input/Output
N23 D#[36] Source Synch Input/Output
N24 VSS Power/Other
N25 D#[39] Source Synch Input/Output
N26 D#[38] Source Synch Input/Output
P1 COMP[1] Power/Other Input/Output
P2 VSS Power/Other
P3 A#[19] Source Synch Input/Output
P4 A#[20] Source Synch Input/Output
P5 VSS Power/Other
P6 A#[24] Source Synch Input/Output
P21 D#[34] Source Synch Input/Output
P22 VSS Power/Other
P23 DSTBP#[2] Source Synch Input/Output
P24 D#[41] Source Synch Input/Output
P25 VSS Power/Other
P26 DBI#[2] Source Synch Input/Output
R1 VSS Power/Other
R2 A#[18] Source Synch Input/Output
R3 A#[21] Source Synch Input/Output
R4 VSS Power/Other
R5 ADSTB#[1] Source Synch Input/Output
R6 A#[28] Source Synch Input/Output
R21 D#[40] Source Synch Input/Output
R22 DSTBN#[2] Source Synch Input/Output
R23 VSS Power/Other
R24 D#[43] Source Synch Input/Output
R25 D#[42] Source Synch Input/Output
R26 VSS Power/Other
T1 A#[17] Source Synch Input/Output
T2 A#[22] Source Synch Input/Output
T3 VSS Power/Other
T4 A#[26] Source Synch Input/Output
T5 A#[30] Source Synch Input/Output
T6 VSS Power/Other
T21 VSS Power/Other
T22 D#[46] Source Synch Input/Output
T23 D#[47] Source Synch Input/Output
Table 31. Pin Listing by Pin Number
Pin
Number
Pin Name
Signal Buffer
Type
Direction
T24 VSS Power/Other
T25 D#[45] Source Synch Input/Output
T26 D#[44] Source Synch Input/Output
U1 A#[23] Source Synch Input/Output
U2 VSS Power/Other
U3 A#[25] Source Synch Input/Output
U4 A#[31] Source Synch Input/Output
U5 VSS Power/Other
U6 TESTHI8 Power/Other Input
U21 D#[52] Source Synch Input/Output
U22 VSS Power/Other
U23 D#[50] Source Synch Input/Output
U24 D#[49] Source Synch Input/Output
U25 VSS Power/Other
U26 D#[48] Source Synch Input/Output
V1 VSS Power/Other
V2 A#[27] Source Synch Input/Output
V3 A#[32] Source Synch Input/Output
V4 VSS Power/Other
V5 AP#[1] Common Clock Input/Output
V6 MCERR# Common Clock Input/Output
V21 DBI#[3] Source Synch Input/Output
V22 D#[53] Source Synch Input/Output
V23 VSS Power/Other
V24 D#[54] Source Synch Input/Output
V25 D#[51] Source Synch Input/Output
V26 VSS Power/Other
W1 A#[29] Source Synch Input/Output
W2 A#[33] Source Synch Input/Output
W3 VSS Power/Other
W4 TESTHI9 Power/Other Input
W5 INIT# Asynch GTL+ Input
W6 VSS Power/Other
W21 VSS Power/Other
W22 DSTBN#[3] Source Synch Input/Output
W23 DSTBP#[3] Source Synch Input/Output
W24 VSS Power/Other
W25 D#[57] Source Synch Input/Output
W26 D#[55] Source Synch Input/Output
Table 31. Pin Listing by Pin Number
Pin
Number
Pin Name
Signal Buffer
Type
Direction