參數(shù)資料
型號: 74LV4020DB,112
廠商: NXP Semiconductors
文件頁數(shù): 1/10頁
文件大?。?/td> 0K
描述: IC 14BIT BINARY RIPPLE 16-SSOP
產(chǎn)品培訓(xùn)模塊: Logic Packages
標(biāo)準(zhǔn)包裝: 78
系列: 74LV
邏輯類型: 二進(jìn)制計(jì)數(shù)器
方向:
元件數(shù): 1
每個(gè)元件的位元數(shù): 14
復(fù)位: 異步
計(jì)數(shù)速率: 100MHz
觸發(fā)器類型: 負(fù)邊沿
電源電壓: 1 V ~ 5.5 V
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 16-SSOP(0.209",5.30mm 寬)
供應(yīng)商設(shè)備封裝: 16-SSOP
包裝: 管件
其它名稱: 568-2970-5
935202710112
1.
General description
The 74LV4020 is a low-voltage Si-gate CMOS device and is pin and function compatible
with the 74HC4020 and 74HCT4020.
The 74LV4020 is a 14-stage binary ripple counter with a clock input (CP), an overriding
asynchronous master reset input (MR) and 12 fully buffered parallel outputs (Q0, and
Q3 to Q13).
The counter advances on the HIGH-to-LOW transition of CP. A HIGH on MR clears all
counter stages and forces all outputs LOW, independent of the state of CP.
Each counter stage is a static toggle ip-op.
2.
Features
s Optimized for low-voltage applications: 1.0 V to 5.5 V
s Accepts TTL input levels between VCC = 2.7 V and VCC = 3.6 V
s Typical LOW-level output voltage (peak) or output ground bounce: VOL(p) < 0.8 V at
VCC = 3.3 V and Tamb =25 °C
s Typical HIGH-level output voltage (valley) or output VOH undershoot: VOH(v) >2V at
VCC = 3.3 V and Tamb =25 °C
s ESD protection:
x HBM EIA/JESD22-A114-C exceeds 2000 V
x MM EIA/JESD22-A115-A exceeds 200 V.
s Multiple package options
s Specied from
40 °C to +80 °C and from 40 °C to +125 °C.
3.
Applications
s Frequency dividing circuits
s Time delay circuits
s Control counters
74LV4020
14-stage binary ripple counter
Rev. 01 — 29 November 2005
Product data sheet
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