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參數(shù)資料
| 型號(hào)： | 74HC192 |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 通用總線功能 |
| 英文描述： | Presettable synchronous BCD decade up/down counter |
| 中文描述： | 可預(yù)置同步BCD碼十年向上/向下計(jì)數(shù)器 |
| 文件頁數(shù)： | 4/13頁 |
| 文件大?。?/td> | 90K |
| 代理商： | 74HC192 |
December 1990
4
Philips Semiconductors
Product specification
Presettable synchronous BCD decade
up/down counter
74HC/HCT192
PIN DESCRIPTION
Note
1.
LOW-to-HIGH, edge triggered
PIN NO.
SYMBOL
NAME AND FUNCTION
3, 2, 6, 7
4
5
8
11
12
13
14
15, 1, 10, 9
16
Q
0
to Q
3
CP
D
CP
U
GND
PL
TC
U
TC
D
MR
D
0
to D
3
V
CC
flip-flop outputs
count down clock input
(1)
count up clock input
(1)
ground (0 V)
asynchronous parallel load input (active LOW)
terminal count up (carry) output (active LOW)
terminal count down (borrow) output (active LOW)
asynchronous master reset input (active HIGH)
data inputs
positive supply voltage
Fig.1 Pin configuration.
Fig.2 Logic symbol.
Fig.3 IEC logic symbol.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74HC192D | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Presettable synchronous BCD decade up/down counter |
| 74HC192D-T | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Synchronous Up/Down Counter |
| 74HC192N | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Presettable synchronous BCD decade up/down counter |
| 74HC193 | 制造商:HAR 功能描述:74HC193 |
| 74HC193_13 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Presettable synchronous 4-bit binary up/down counter |
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