參數(shù)資料
型號: 74HC221D-T
英文描述: SC70/µDFN, Single/Dual Low-Voltage, Low-Power µP Reset Circuits
中文描述: 單穩(wěn)態(tài)觸發(fā)器
文件頁數(shù): 2/16頁
文件大?。?/td> 83K
代理商: 74HC221D-T
2003 May 14
2
Philips Semiconductors
Product specification
Dual 2-input NOR gate
74HC2G02; 74HCT2G02
FEATURES
Wide supply voltage range from 2.0 to 6.0 V
Symmetrical output impedance
High noise immunity
Low power dissipation
Balanced propagation delays
Very small 8 pins package
Output capability is standard
ESD protection:
HBM EIA/JESD22-A114-A exceeds 2000 V
MM EIA/JESD22-A115-A exceeds 200 V.
Specified from
40 to +85
°
C and
40 to +125
°
C.
DESCRIPTION
The 74HC2G/HCT2G02 is a high-speed Si-gate CMOS
device.
The 74HC2G/HCT2G02 provides the 2-input NOR
function.
QUICK REFERENCE DATA
GND = 0 V; T
amb
= 25
°
C; t
r
= t
f
6.0 ns.
Notes
1.
C
PD
is used to determine the dynamic power dissipation (P
D
in
μ
W).
P
D
= C
PD
×
V
CC2
×
f
i
×
N +
(C
L
×
V
CC2
×
f
o
) where:
f
i
= input frequency in MHz;
f
o
= output frequency in MHz;
C
L
= output load capacitance in pF;
V
CC
= supply voltage in Volts;
N = total load switching outputs;
(C
L
×
V
CC2
×
f
o
) = sum of outputs.
For 74HC2G02 the condition is V
I
= GND to V
CC
.
For 74HCT2G02 the condition is V
I
= GND to V
CC
1.5 V.
2.
SYMBOL
PARAMETER
CONDITIONS
TYPICAL
UNIT
HC2G02
HCT2G02
t
PHL
/t
PLH
C
I
C
PD
propagation delay nA, nB to nY
input capacitance
power dissipation capacitance per gate notes 1 and 2
C
L
= 15 pF; V
CC
= 5 V
9
1.5
10
12
1.5
10
ns
pF
pF
相關(guān)PDF資料
PDF描述
74HC2G08 Dual 2-input AND gate
74HC2G126 Dual buffer/line driver; 3-state
74HC2G32 Dual 2-input OR gate
74HC2G14 Inverting Schmitt-triggers
74HC2G00 Dual 2-input NAND gate
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
74HC221M 制造商:HARRIS 功能描述:221
74HC221N 功能描述:單穩(wěn)態(tài)多諧振蕩器 DUAL MONOSTABLE MULTIVIBRATOR RoHS:否 制造商:Texas Instruments 每芯片元件:1 邏輯系列:LVC 邏輯類型:Monostable Multivibrator 封裝 / 箱體:SSOP-8 傳播延遲時間:18.6 ns 高電平輸出電流:- 32 mA 低電平輸出電流:32 mA 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel
74HC221N,652 功能描述:單穩(wěn)態(tài)多諧振蕩器 DUAL MONOSTABLE RoHS:否 制造商:Texas Instruments 每芯片元件:1 邏輯系列:LVC 邏輯類型:Monostable Multivibrator 封裝 / 箱體:SSOP-8 傳播延遲時間:18.6 ns 高電平輸出電流:- 32 mA 低電平輸出電流:32 mA 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel
74HC221N 制造商:NXP Semiconductors 功能描述:IC 74HC CMOS 74HC221 DIP16 5V
74HC221N652 制造商:NXP Semiconductors 功能描述:IC DUAL NONRETRIG MONO MULTIVIBRATOR 2