參數(shù)資料
型號: 74HC182
廠商: NXP Semiconductors N.V.
英文描述: Look-ahead carry generator
中文描述: 前瞻攜帶發(fā)電機
文件頁數(shù): 8/9頁
文件大小: 68K
代理商: 74HC182
December 1990
8
Philips Semiconductors
Product specification
Look-ahead carry generator
74HC/HCT182
AC WAVEFORMS
APPLICATION INFORMATION
Fig.6 Waveforms showing the input (P
n
, C
n
, G
n
) to any output propagation delays and the output transition times.
(1) HC : V
M
= 50%; V
I
= GND to V
.
HCT: V
M
= 1.3 V; V
I
= GND to 3 V.
Fig.7 16-bit ALU two-level look-ahead.
A and B inputs and F outputs of “181” are not shown.
Fig.8 32-bit ALU two-level look-ahead over 16-bit groups.
A and B inputs and F outputs of “181” are not shown.
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