參數(shù)資料
型號(hào): CD41063BMN
廠商: National Semiconductor Corporation
元件分類: 通用總線功能
英文描述: Decade Counter with Asynchronous Clear
中文描述: 十年的異步清除計(jì)數(shù)器
文件頁數(shù): 1/8頁
文件大?。?/td> 150K
代理商: CD41063BMN
TL/F/5986
C
C
March 1988
CD40160BM/CD40160BC
Decade Counter with Asynchronous Clear
CD40161BM/CD40161BC
Binary Counter with Asynchronous Clear
CD40162BM/CD40162BC
Decade Counter with Synchronous Clear
CD40163BM/CD40163BC
Binary Counter with Synchronous Clear
General Description
These (synchronous presettable up) counters are monolith-
ic complementary MOS (CMOS) integrated circuits con-
structed with N- and P-channel enhancement mode transis-
tors. They feature an internal carry look-ahead for fast
counting schemes and for cascading packages without ad-
ditional gating.
A low level at the load input disables counting and causes
the outputs to agree with the data input after the next posi-
tive clock edge. The clear function for the CD40162B and
CD40163B is synchronous and a low level at the clear input
sets all four outputs low after the next positive clock edge.
The clear function for the CD40160B and CD40161B is
asynchronous and a low level at the clear input sets all four
outputs low, regardless of the state of the clock.
Counting is enabled when both count enable inputs are
high. Input T is fed forward to also enable the carry out. The
carry output is a positive pulse with a duration approximately
equal to the positive portion of Q
A
and can be used to en-
able successive cascaded stages. Logic transitions at the
enable P or T inputs can occur when the clock is high or
low.
Features
Y
Wide supply voltage range
3.0V to 15V
0.45 V
DD
(typ.)
Y
High noise immunity
Y
Low power TTL
compatibility
fan out of 2 driving 74L
or 1 driving 74LS
Y
Internal look-ahead for fast counting schemes
Y
Carry output for N-bit cascading
Y
Load control line
Y
Synchronously programmable
to
MC14163B
to
MM74C163
Y
Equivalent
MC14160B,
MC14161B,
MC14162B,
Y
Equivalent
MM74C160,
MM74C161,
MM74C162,
Connection Diagram
Dual-In-Line Package
TL/F/5986–1
Top View
Order Number CD40160B, CD40161B,
CD40162B or CD40163B
C
1995 National Semiconductor Corporation
RRD-B30M105/Printed in U. S. A.
相關(guān)PDF資料
PDF描述
CD40161BCN Decade Counter with Asynchronous Clear
CD40161BM Decade Counter with Asynchronous Clear
CD40161BMJ Decade Counter with Asynchronous Clear
CD40161BMN Decade Counter with Asynchronous Clear
CD40162B Decade Counter with Asynchronous Clear
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