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參數(shù)資料
| 型號： | 935261978118 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | AHCT/VHCT SERIES, OCTAL 1-BIT DRIVER, TRUE OUTPUT, PDSO20 |
| 封裝： | 4.40 MM, PLASTIC, MO-153AC, SOT-360-1, TSSOP-20 |
| 文件頁數(shù)： | 9/16頁 |
| 文件大?。?/td> | 81K |
| 代理商： | 935261978118 |
1999 Nov 24
2
Philips Semiconductors
Product specication
Octal buffer/line driver; 3-state
74AHC541; 74AHCT541
FEATURES
ESD protection:
HBM EIA/JESD22-A114-A exceeds 2000 V
MM EIA/JESD22-A115-A exceeds 200 V
CDM EIA/JESD22-C101 exceeds 1000 V
Balanced propagation delays
All inputs have a Schmitt-trigger action
Inputs accepts voltages higher than VCC
For AHC only: operates with CMOS input levels
For AHCT only: operates with TTL input levels
Specified from 40 to +85 °C and 40 to +125 °C.
DESCRIPTION
The 74AHC/AHCT541 is a high-speed Si-gate CMOS
device.
The 74AHC/AHCT541 are octal non-inverting buffer/line
drivers with 3-state bus compatible outputs.
The 3-state outputs are controlled by the output enable
inputs OE0 and OE1.
A HIGH on OEn causes the outputs to assume a
high-impedance OFF-state.
QUICK REFERENCE DATA
Ground = 0 V; Tamb =25 °C; tr =tf ≤ 3.0 ns.
Notes
1. CPD is used to determine the dynamic power dissipation (PD in W).
PD =CPD × VCC2 × fi + ∑ (CL × VCC2 × fo) where:
fi = input frequency in MHz;
fo = output frequency in MHz;
∑ (CL × VCC2 × fo) = sum of outputs;
CL = output load capacitance in pF;
VCC = supply voltage in Volts.
2. The condition is VI = GND to VCC.
SYMBOL
PARAMETER
CONDITIONS
TYPICAL
UNIT
AHC
AHCT
tPHL/tPLH
propagation delay An to Yn
CL = 15 pF; VCC = 5 V
3.5
ns
CI
input capacitance
VI =VCC or GND
3
pF
CO
output capacitance
4.0
pF
CPD
power dissipation capacitance
CL = 50 pF; f = 1 MHz;
notes 1 and 2
10
12
pF
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