參數(shù)資料
型號: 935272016125
廠商: NXP SEMICONDUCTORS
元件分類: 門電路
英文描述: HCT SERIES, 2-INPUT NOR GATE, PDSO5
封裝: PLASTIC, SC-74A, 5 PIN
文件頁數(shù): 9/16頁
文件大?。?/td> 74K
代理商: 935272016125
2002 May 17
2
Philips Semiconductors
Product specication
2-input NOR gate
74HC1G02; 74HCT1G02
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 5 pins package
Output capability: standard.
DESCRIPTION
The 74HC1G/HCT1G02 is a high speed Si-gate CMOS
device.
The 74HC1G/HCT1G02 provides the 2-input NOR
function. The standard output currents are half the values
compared to the 74HC/HCT02.
QUICK REFERENCE DATA
GND = 0 V; Tamb =25 °C; tr =tf ≤ 6.0 ns.
Notes
1. CPD is used to determine the dynamic power dissipation PD (W).
PD =CPD × VCC2 × fi + ∑ (CL × VCC2 × fo) where:
fi = input frequency in MHz;
fo = output frequency in MHz;
CL = output load capacitance in pF;
VCC = supply voltage in Volts;
∑ (CL × VCC2 × fo) = sum of outputs.
2. For HC1G the condition is VI = GND to VCC.
For HCT1G the condition is VI = GND to VCC 1.5 V.
FUNCTION TABLE
See note 1.
Note
1. H = HIGH voltage level;
L = LOW voltage level.
SYMBOL
PARAMETER
CONDITIONS
TYPICAL
UNIT
HC1G
HCT1G
tPHL/tPLH
propagation delay A and B to Y
CL = 15 pF; VCC = 5 V
79ns
CI
input capacitance
1.5
pF
CPD
power dissipation capacitance
notes 1 and 2
18
19
pF
INPUTS
OUTPUT
AB
Y
LL
H
LHL
HL
L
HH
L
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