參數(shù)資料
型號(hào): 74HCT4520
廠商: Texas Instruments, Inc.
元件分類: 通用總線功能
英文描述: 4-Bit Synchronous Up/Down Binary Counters 16-SOIC -40 to 85
中文描述: 高速CMOS邏輯雙同步計(jì)數(shù)器
文件頁數(shù): 3/7頁
文件大?。?/td> 55K
代理商: 74HCT4520
December 1990
3
Philips Semiconductors
Product specification
Dual 4-bit synchronous binary counter
74HC/HCT4520
PIN DESCRIPTION
PIN NO.
SYMBOL
NAME AND FUNCTION
1, 9
2, 10
3, 4, 5, 6
7, 15
8
11, 12, 13, 14
16
1CP
0
, 2CP
0
1CP
1
, 2CP
1
1Q
0
to 1Q
3
1MR, 2MR
GND
2Q
0
to 2Q
3
V
CC
clock inputs (LOW-to-HIGH, edge-triggered)
clock inputs (HIGH-to-LOW, edge-triggered)
data outputs
asynchronous master reset inputs (active HIGH)
ground (0 V)
data outputs
positive supply voltage
Fig.1 Pin configuration.
Fig.2 Logic symbol.
Fig.3 IEC logic symbol.
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74HCT4520D,112 功能描述:計(jì)數(shù)器 IC DUAL 4-BIT SYNC RoHS:否 制造商:NXP Semiconductors 計(jì)數(shù)器類型:Binary Counters 邏輯系列:74LV 位數(shù):10 計(jì)數(shù)法: 計(jì)數(shù)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
74HCT4520D,118 功能描述:計(jì)數(shù)器 IC DUAL 4-BIT SYNC RoHS:否 制造商:NXP Semiconductors 計(jì)數(shù)器類型:Binary Counters 邏輯系列:74LV 位數(shù):10 計(jì)數(shù)法: 計(jì)數(shù)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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