AM486DX2-66V16BHC AMD (ADVANCED MICRO DEVICES), AM486DX2-66V16BHC Datasheet - Page 2

• Manufacturer Part Number: AM486DX2-66V16BHC
• Manufacturer: AMD (ADVANCED MICRO DEVICES)

Specifications of AM486DX2-66V16BHC

• Family Name: Am486
• Device Core Size: 32b
• Frequency (max): 66MHz
• Instruction Set Architecture: RISC
• Supply Voltage 1 (typ): 3.3V
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 3V
• Operating Temp Range: 0C to 85C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 208
• Package Type: SQFP
• Lead Free Status / Rohs Status: Not Compliant

2
BLOCK DIAGRAM
Barrel Shifter
Register File
ALU
Register
Floating
Floating
Point
Point
Unit
File
Micro-instruction
Physical
Address
24
Central and
Protection
Test Unit
Control
ROM
Segmentation
Descriptor
Registers
Limit and
Attribute
PLA
Unit
32-Bit Data Bus
Enhanced Am486DX Microprocessor Family
Decoded
Instruction
Path
32-Bit Linear Address
Displacement Bus
32-Bit Data Bus
Paging Unit
Translation
Lookaside
Buffer
P R E L I M I N A R Y
Instruction
Decode
PCD, PWT
24
Physical
Address
Stream
Code
2
32
24
Code Queue
Cache Unit
2x16 Bytes
Prefetcher
16-Kbyte
32-Byte
Cache
128
32
32
Clock
Interface
Copyback
Writeback
Bus Interface
Transceivers
Buffers
Buffers
Buffers
Bus Control
and Control
Sequencer
Generation
Write
4x32
4x32
Generator
4x32
Burst Bus
Data Bus
Bus Size
Address
Request
Drivers
Control
Control
Control
Cache
Parity
Power
Clock
JTAG
Plane
ADS, W/R, D/C,
M/IO, PCD, PWT,
RDY, LOCK,
PLOCK, BOFF,
A20M, BREQ,
HOLD, HLDA,
RESET, INTR,
NMI, FERR, UP,
IGNNE, SMI,
SMIACT, SRESET
VOLDET
V
CLK
CLKMUL
STPCLK
A31–A2
BE3–BE0
D31–D0
BRDY, BLAST
BS16, BS8
KEN, FLUSH,
AHOLD, CACHE,
EADS, INV,
WB/WT, HITM
PCHK,
DP3–DP0
TDI, TCK,
TDO, TMS
CC
, V
ss