參數(shù)資料
型號(hào): 74HCT4040DB,118
廠商: NXP Semiconductors
文件頁數(shù): 2/20頁
文件大?。?/td> 0K
描述: IC 12STAGE BIANRY RIPPLE 16SSOP
產(chǎn)品培訓(xùn)模塊: Logic Packages
標(biāo)準(zhǔn)包裝: 2,000
系列: 74HCT
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): 12
復(fù)位: 異步
計(jì)數(shù)速率: 79MHz
觸發(fā)器類型: 負(fù)邊沿
電源電壓: 4.5 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: 帶卷 (TR)
其它名稱: 74HCT4040DB-T
74HCT4040DB-T-ND
935189380118
74HC_HCT4040
All information provided in this document is subject to legal disclaimers.
NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet
Rev. 4 — 20 March 2014
10 of 20
NXP Semiconductors
74HC4040; 74HCT4040
12-stage binary ripple counter
12. Waveform and test circuit
74HC4040: VM =50 %; VI = GND to VCC.
74HCT4040: VM = 1.3 V; VI = GND to 3 V.
Fig 8.
Clock propagation delays, pulse width, transition times, maximum pulse frequency and master resets
MR input
90 %
10 %
CP input
Q0 or Qn
output
tW
tPHL
1/fmax
trec
VM
VI
VM
001aad590
tPLH
tW
tTLH
tTHL
tPHL
VM
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