參數(shù)資料
型號: HD74LVC16244ATEL-E
元件分類: 總線收發(fā)器
英文描述: LVC/LCX/Z SERIES, QUAD 4-BIT DRIVER, TRUE OUTPUT, PDSO48
封裝: TSSOP-48
文件頁數(shù): 5/8頁
文件大小: 96K
代理商: HD74LVC16244ATEL-E
HD74LVC16244A
Rev.4.00 Jul. 29, 2004 page 5 of 7
Test Circuit
V
CC
V
CC
S
1G to 4G
Input
Pulse generator
Z = 50
500
C =
50 pF
450
OPEN
*1
See under table
GND
S1
50 Scope
1A1 to 4A4
1Y1 to 4Y4
Output
Symbol
S1
t / t
t / t
t / t
PHL
OPEN
GND
6 V
HZ
LZ
OPEN
GND
2
×
Vcc
Vcc=2.7V,
3.3±0.3V
Vcc=5.0±0.5V
Note:
1.
C
L
includes probe and jig capacitance.
Waveforms – 1
t
PLH
t
PHL
V
OH
V
OL
Input
10 %
GND
90 %
V
ref
t
r
t
f
90 %
10 %
Output
V
IH
V
ref
V
ref
V
ref
Notes:
1.
2.
t
r
= 2.5 ns, t
f
= 2.5 ns
Input waveform : PRR = 10 MHz, duty cycle 50%
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