參數(shù)資料
型號: 74HC4051D/T3
廠商: NXP SEMICONDUCTORS
元件分類: 多路復(fù)用及模擬開關(guān)
英文描述: 8-CHANNEL, SGL ENDED MULTIPLEXER, PDSO16
封裝: 3.90 MM, PLASTIC, MS-012, SOT-109-1, SOP-16
文件頁數(shù): 14/32頁
文件大?。?/td> 170K
代理商: 74HC4051D/T3
74HC_HCT4051_3
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 03 — 19 December 2005
21 of 32
Philips Semiconductors
74HC4051; 74HCT4051
8-channel analog multiplexer/demultiplexer
[1]
When measuring fmax there is no constraint to tr and tf with 50 % duty factor (< 2 ns).
a. Input pulse denition
Denitions test circuit:
RL = load resistor.
CL = load capacitance including jig and probe capacitance.
RT = termination resistance should be equal to the output impedance Zo of the pulse
generator.
b. Load circuitry
Test data is given in Table 13.
Fig 14. Switching times
Table 13:
Test data
Test
Input
Switch
tr, tf [1]
Vis
tPZH, tPHZ
6ns
VCC
VEE
tPZL, tPLZ
6ns
VEE
VCC
tPHL, tPLH
6 ns
pulse
open
001aac221
VM
tW
10 %
90 %
0 V
VI
negative
pulse
positive
pulse
0 V
VM
90 %
10 %
tTHL(tf)
tTLH(tr)
tTHL(tf)
open
switch
VCC
VEE
GND
VCC
Vis
VI
VO
001aad557
DUT
CL
RT
RL
PULSE
GENERATOR
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