參數(shù)資料
型號(hào): 74HCT74PW,118
廠商: NXP Semiconductors
文件頁數(shù): 21/21頁
文件大?。?/td> 0K
描述: IC DUAL D FF POSEDG TRIG 14TSSOP
產(chǎn)品培訓(xùn)模塊: Logic Packages
標(biāo)準(zhǔn)包裝: 1
系列: 74HCT
功能: 設(shè)置(預(yù)設(shè))和復(fù)位
類型: D 型
輸出類型: 差分
元件數(shù): 2
每個(gè)元件的位元數(shù): 1
頻率 - 時(shí)鐘: 18MHz
延遲時(shí)間 - 傳輸: 18ns
觸發(fā)器類型: 正邊沿
輸出電流高,低: 4mA,4mA
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: 14-TSSOP(0.173",4.40mm 寬)
包裝: 標(biāo)準(zhǔn)包裝
產(chǎn)品目錄頁面: 836 (CN2011-ZH PDF)
其它名稱: 568-4595-6
74HC_HCT74
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2012. All rights reserved.
Product data sheet
Rev. 4 — 27 August 2012
9 of 21
NXP Semiconductors
74HC74; 74HCT74
Dual D-type flip-flop with set and reset; positive edge-trigger
[1]
All typical values are measured at Tamb =25 C.
[2]
tpd is the same as tPLH and tPHL.
[3]
tt is the same as tTHL and tTLH.
[4]
CPD is used to determine the dynamic power dissipation (PD in W).
PD =CPD VCC2 fi N+ (CL VCC2 fo) where:
fi = input frequency in MHz;
fo = output frequency in MHz;
CL = output load capacitance in pF;
VCC = supply voltage in V;
N = number of inputs switching;
(C
L VCC
2
f
o) = sum of outputs.
th
hold time
nD to nCP; see Figure 7
VCC = 4.5 V
3
3-
3
-
ns
fmax
maximum
frequency
nCP; see Figure 7
VCC = 4.5 V
22
54
-
18
-
MHz
VCC =5V; CL =15pF
-
59
-
MHz
CPD
power
dissipation
capacitance
CL =50pF;f= 1 MHz;
VI =GND to VCC - 1.5 V
-29
-
pF
Table 8.
Dynamic characteristics …continued
Voltages are referenced to GND (ground = 0 V); CL = 50 pF unless otherwise specified; for test circuit see Figure 9.
Symbol Parameter
Conditions
Tamb = 40 C to +85 C
Tamb = 40 C to +125 C Unit
Min
Typ[1]
Max
Min
Max
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