ATC20 데이터 시트보기 (PDF) - Atmel Corporation
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ATC20 Datasheet PDF : 11 Pages
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Standard Cell Library
SClib
The Atmel Standard Cell Library, SClib, contains a comprehensive set of combinational
logic and storage cells. The SClib library includes cells which belong to the following
categories:
• Buffers and Gates
• Multiplexers
• Flip-flops
• Scan Flip-flops
• Latches
• Adders and Subtractors
Decoding the Cell Name
The table below shows the naming conventions for the cells in the SClib library. Each
cell name begins with either a two-, three-, or four-letter code that defines the type of
cell. This indicates the range of standard cells available.
Table 2. Cell Codes
Code
Description
AD
Adder
AH
Half Adder
AS
Adder/Subtractor
AN
AND Gate
AOI
AND-OR-Invert Gate
AON
AND-OR-AND-Invert Gates
AOR
AND-OR Gate
BH
Bus Holder
BUFB
Balanced Buffer
BUFF
Non-Inverting Buffer
BUFT
Non-Inverting 3-State Buffer
CG
Carry Generator
CLK2
Clock Buffer
DE
D-Enabled Flip-Flop
DF
D Flip-Flop
INV0
Inverter
INVB
Balanced Inverter
Code
INVT
JK
LA
MI
MX
ND
NR
OAI
OAN
OR
ORA
SD
SE
SRLA
SU
XN
XR
Description
Inverting 3-State Buffer
JK Flip-Flop
D Latch
Inverting Multiplexer
Multiplexer
NAND Gate
NOR Gate
OR-AND-Invert Gate
OR-AND-OR-Invert Gates
OR Gate
OR-AND Gate
Multiplexed Scan D Flip-Flop
Multiplexed Scan Enable D Flip-Flop
Set/Reset Latches with NAND input
Subtractor
Exclusive NOR Gate
Exclusive OR Gate
2 ATC20 Summary
1361BS–CBIC–09/02
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