74ALVT16244 데이터 시트보기 (PDF) - Philips Electronics
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74ALVT16244 Datasheet PDF : 10 Pages
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Philips Semiconductors
2.5V/3.3V 16-bit buffer/driver (3-State)
Product specification
74ALVT16244
AC CHARACTERISTICS (2.5V "0.2V RANGE)
GND = 0V; tR = tF = 2.5ns; CL = 50pF; RL = 500Ω; Tamb = –40°C to +85°C.
SYMBOL
PARAMETER
WAVEFORM
tPLH
Propagation delay
tPHL
nAx to nYx
1
tPZH
Output enable time
tPZL
to High and Low level
2
tPHZ
Output disable time
tPLZ
from High and Low Level
2
NOTE:
1. All typical values are at VCC = 2.5V and Tamb = 25°C.
AC WAVEFORMS
VM = 1.5V at VCC w 3.0V; VM = VCC/2 at VCC v 2.7V
VX = VOL + 0.3V at VCC w 3.0V; VX = VOL + 0.15V at VCC v 2.7V
VY = VOH – 0.3V at VCC w 3.0V; VY = VOH – 0.15V at VCC v 2.7V
LIMITS
VCC = 2.5V "0.2V
MIN
TYP1
MAX
1.0
1.8
3.0
1.0
1.9
3.5
2.0
3.1
5.9
1.5
2.5
4.7
1.5
2.7
4.4
1.0
2.0
3.4
UNIT
ns
ns
ns
nAx INPUT
VM
tPLH
nYx OUTPUT
VM
VM
tPHL
3.0V or VCC,
whichever is less
0V
VOH
VM
VOL
nOE
VM
INPUT
tPZL
nYx
VM
OUTPUT
tPZH
nYx
VM
OUTPUT
VM
tPLZ
tPHZ
3.0V or VCC
whichever is
less
0V
3.0V or
VCC
VX
VOL
VOH
VY
0V
SW00160
Waveform 1. Input (nAx) to Output (nYx) Propagation Delays
SW00204
Waveform 2. 3-State Output Enable and Disable Times
1998 Oct 07
6
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