参数资料
型号: IDT7381L40J8
厂商: INTEGRATED DEVICE TECHNOLOGY INC
元件分类: 位片处理器
英文描述: 16-BIT, BIT-SLICE MICROPROCESSOR, PQCC68
封装: PLASTIC, LCC-68
文件页数: 1/17页
文件大小: 257K
代理商: IDT7381L40J8
1
IDT7381
16-BIT CASCADABLE ALU
COMMERCIALTEMPERATURERANGE
APRIL 2001
2001
Integrated Device Technology, Inc.
DSC-2525/-
c
IDT7381
COMMERCIAL TEMPERATURE RANGE
16-BIT CMOS
CASCADABLE ALU
FUNCTIONAL BLOCK DIAGRAM
DESCRIPTION:
The IDT7381 is a high-speed cascadable Arithmetic Logic Unit (ALU).
These three-bus devices have two input registers, an ultra-fast 16-bit ALU
and 16-bit output register. With IDT’s high-performance CMOS technology,
the IDT7381 can do arithmetic or logic operations in 25ns. The IDT7381
functionally replaces four 54/74S381 four-bit ALUs in a 68-pin package.
The two input operands, A and B, can be clocked or fed through for
flexible pipelining. The F output can also be set into clocked or flow-through
mode. An output enable is provided for three-state control of the output port
on a bus.
The IDT7381 has three function pins to select 1 of 8 arithmetic or logic
operations. The two R and S selection pins determine whether A, B, F or
0 are fed into the ALU. This ALU has carry-out, propagate and generate
outputs for cascading using carry look-ahead.
A0 -1 5
B0 -1 5
16
A REG
B REG
A M U X
B M U X
R M U X
S M U X
F RE G
F M UX
PO W E R
SU PPLY
CL K
ENB
FT AB
FTF
GND
VCC
16
2
3
16
RS0 -1
I 0 - 2
ENA
EN F
P
G
OE
C16
OVF
Z
F0 -15
C 0
16-BIT AL U
0000 H
FEATURES:
High-performance 16-bit Arithmetic Logic Unit (ALU)
25ns to 55ns clocked ALU operations
Ideal for radar, sonar or image processing applications
74S381 instruction set (8 functions)
Replaces Gould S614381 or Logic Devices L4C381
Cascadable with or without carry look-ahead
Pipeline or flow-through modes
Internal feedback path for accumulation
Three-state outputs
TTL-compatible
Produced with advanced submicron CMOS technology
Available in PLCC
Speeds available: L/25/30/40/55
相关PDF资料
PDF描述
IDT7383G 32-BIT, BIT-SLICE MICROPROCESSOR, CPGA68
IDT7381J 32-BIT, BIT-SLICE MICROPROCESSOR, PQCC68
IDT7383J 32-BIT, BIT-SLICE MICROPROCESSOR, PQCC68
IDT7383FF 32-BIT, BIT-SLICE MICROPROCESSOR, CQFP68
IDT7383L55G 16-BIT, BIT-SLICE MICROPROCESSOR, CPGA68
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