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參數(shù)資料
| 型號(hào)： | MM54C193N |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | Synchronous 4-Bit Up/Down Decade Counter |
| 中文描述： | CMOS SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, PDIP16 |
| 封裝： | PLASTIC, DIP-16 |
| 文件頁(yè)數(shù)： | 1/6頁(yè) |
| 文件大小： | 140K |
| 代理商： | MM54C193N |
TL/F/5901
M
M
February 1988
MM54C192/MM74C192
Synchronous 4-Bit Up/Down Decade Counter
MM54C193/MM74C193
Synchronous 4-Bit Up/Down Binary Counter
General Description
These up/down counters are monolithic complementary
MOS (CMOS) integrated circuits. The MM54C192 and
MM74C192 are BCD counters, while the MM54C193 and
MM74C193 are binary counters.
Counting up and counting down is performed by two count
inputs, one being held high while the other is clocked. The
outputs change on the positive-going transition of this clock.
These counters feature preset inputs that are set when load
is a logical ‘‘0’’ and a clear which forces all outputs to ‘‘0’’
when it is at a logical ‘‘1’’. The counters also have carry and
borrow outputs so that they can be cascaded using no ex-
ternal circuitry.
Features
Y
High noise margin
1V guaranteed
Drive 2 LPTTL loads
Y
Tenth power TTL compatible
Y
Wide supply range
3V to 15V
Y
Carry and borrow outputs for N-bit cascading
Y
Asynchronous clear
Y
High noise immunity
0.45 V
CC
(typ.)
Connection Diagram
Dual-In-Line Package
TL/F/5901–1
Top View
Order Number MM54C192, MM74C192,
MM54C193 or MM74C193
C
1995 National Semiconductor Corporation
RRD-B30M105/Printed in U. S. A.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MM54C20 | Dual 4-Input NAND Gate(雙通道四輸入與非門) |
| MM54C00 | SWITCH TACT 6MM RIGHT ANG 250GF |
| MM54C02 | Quad 2-Input NOR Gate(四路二輸入或非門) |
| MM54C04 | Hex Inverter(六路反相器) |
| MM74C02 | Quad 2-Input NOR Gate(四路二輸入或非門) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MM54C193W/883 | 制造商:Texas Instruments 功能描述: |
| MM54C195 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:4-Bit Registers |
| MM54C195 WAF | 制造商:Texas Instruments 功能描述: |
| MM54C195J | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:4-Bit Registers |
| MM54C195J/883 | 制造商:National Semiconductor Corporation 功能描述:4-BIT REGISTERS 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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