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參數資料
| 型號： | 74HC590 |
| 廠商： | Hitachi,Ltd. |
| 元件分類： | 通用總線功能 |
| 英文描述： | 8-bit Binary Counter/Register (with 3-state outputs) |
| 中文描述： | 8位二進制計數器/寄存器（3態輸出） |
| 文件頁數： | 1/11頁 |
| 文件大小： | 66K |
| 代理商： | 74HC590 |
HD74HC590
8-bit Binary Counter/Register (with 3-state outputs)
Description
This device each contains an 8-bit binary counter that feeds an 8-bit storage register. The storage register
has parallel outputs. Separate clocks are provided for both the binary counter and storage register. The
binary counter features a direct clear input
CCLR
and a count enable input
C CKEN
. For cascading a ripple
carry output
R CO
is provided. Expansion is easily accomplished by tying
R CO
of the first stage to
CCKEN
of the second stage, etc.
Both the counter and register clocks are positive-edge triggered. If the user wishes to connect both clocks
together, the counter state will always be one count ahead of the register, Internal circuitry prevents
clocking from the clock enable.
Features
High Speed Operation: t
pd
(RCK to Q) = 18.5 ns typ (C
L
= 50 pF)
High Output Current: Fanout of 15 LSTTL Loads
Wide Operating Voltage: V
CC
= 2 to 6 V
Low Input Current: 1 μA max
Low Quiescent Supply Current: I
CC
(static) = 4 μA max (Ta = 25°C)
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相關代理商/技術參數 |
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| 74HC590AN | 制造商:Texas Instruments 功能描述: |
| 74HC590AP | 制造商:Toshiba America Electronic Components 功能描述: |
| 74HC590BQ | 制造商:NXP Semiconductors 功能描述:Bulk 制造商:NXP Semiconductors 功能描述:IC 8BIT BIN COUNTER 3-ST DH 制造商:NXP Semiconductors 功能描述:Counter/Register Single 8-Bit Binary UP 16-Pin DHVQFN EP T/R |
| 74HC590BQ,115 | 功能描述:計數器移位寄存器 DUAL AND/OR GATE RoHS:否 制造商:Texas Instruments 計數器類型: 計數順序:Serial to Serial/Parallel 電路數量:1 封裝 / 箱體:SOIC-20 Wide 邏輯系列: 邏輯類型: 輸入線路數量:1 輸出類型:Open Drain 傳播延遲時間:650 ns 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝:Reel |
| 74HC590BQ-G | 功能描述:計數器 IC DUAL AND/OR GATE RoHS:否 制造商:NXP Semiconductors 計數器類型:Binary Counters 邏輯系列:74LV 位數:10 計數法: 計數順序: 工作電源電壓:1 V to 5.5 V 工作溫度范圍:- 40 C to + 125 C 封裝 / 箱體:SOT-109 封裝:Reel |
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