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參數(shù)資料
| 型號： | 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： | 可預置同步BCD碼十年向上/向下計數(shù)器 |
| 文件頁數(shù)： | 12/13頁 |
| 文件大?。?/td> | 90K |
| 代理商： | 74HC192 |
December 1990
12
Philips Semiconductors
Product specification
Presettable synchronous BCD decade
up/down counter
74HC/HCT192
Fig.10 Waveforms showing the master reset input (MR) pulse width, MR to Q
n
propagation delays, MR to CP
U
,
CP
D
removal time and 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.11 Waveforms showing the data input (D
n
) to parallel load input (PL) set-up and hold times.
The shaded areas indicate when the input is permitted
to change for predictable output performance.
(1) HC : V
M
= 50%; V
I
= GND to V
.
HCT: V
M
= 1.3 V; V
I
= GND to 3 V.
Fig.12 Waveforms showing the data input (D
n
), parallel load input (PL) and the master reset input (MR) to the
terminal count outputs (TC
U
, TC
D
) propagation delays.
(1) HC : V
M
= 50%; V
I
= GND to V
.
HCT: V
M
= 1.3 V; V
I
= GND to 3 V.
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相關代理商/技術參數(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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