Intel Pentium 4 User Manual

Layout Review Checklist
R
286 Intel
®
Pentium
®
4 Processor / Intel
®
850 Chipset Family Platform Design Guide
16.6 IDE Interface
√ Recommendations Reason/Impact
• 5 mil wide and 7 mil spaces • Refer to Section 9.1.
• Max trace length is 8 inches long • Refer to Section 9.1.
• Shortest trace length must be 0.5 inches
shorter than the longest trace length.
• Refer to Section 9.1.
16.7 CNR
√ Recommendations Reason/Impact
• 4.5 inches min to 8.5 inches max trace
length for LAN* Connect signals
• Refer to Section 9.2.
• 60 Ω ±15% • Refer to Section 9.2.
• Maximum mismatch between length of clock
trace and length of any data trace is
0.5 inches
• Refer to Section 9.2.
16.8 Intel
®
AC’97
√ Recommendations Reason/Impact
• Z
O
AC97 = 60 Ω + 15% • Refer to Section 9.3.
• 5 mil trace width, 5 mil spacing between
traces
• Refer to Section 9.3.
• Max Trace Length
ICH2/Codec/CNR = 12 inches
• Refer to Section 9.3.

Intel Pentium 4 Specifications

General

Architecture	x86
Core Count	1
Microarchitecture	NetBurst
Manufacturer	Intel
Core Names	Willamette, Northwood, Prescott, Cedar Mill
Virtualization Technology	No
Release Date	November 20, 2000
Clock Speed	1.3 GHz to 3.8 GHz
FSB Speed	400 MHz to 1066 MHz
Socket	Socket 423, Socket 478, LGA 775
Introduced	2000
Product Line	Pentium
Front Side Bus	400 MHz to 1066 MHz
Hyper-Threading	Yes (Prescott and later)
64-bit Support	Yes (Prescott and later)
Instruction Set	MMX, SSE, SSE2, SSE3
Discontinued	2008
Process Technology	180 nm, 130 nm, 90 nm, 65 nm
L2 Cache	256 KB, 512 KB, 1 MB, 2 MB
Lithography	180 nm, 130 nm, 90 nm, 65 nm
L1 Cache	8 KB