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74ALVC16244DL View Datasheet(PDF) - Philips Electronics

Part NameDescriptionManufacturer
74ALVC16244DL 2.5V/3.3V 16-bit buffer/line driver (3-State) Philips
Philips Electronics Philips
74ALVC16244DL Datasheet PDF : 10 Pages
1 2 3 4 5 6 7 8 9 10
Philips Semiconductors
16-bit buffer/line driver (3-State)
Product specification
74ALVC16244/
74ALVCH16244
AC WAVEFORMS FOR VCC = 2.3V TO 2.7V AND
VCC < 2.3V RANGE
VM = 0.5 VCC
VX = VOL + 0.15V
VY = VOH –0.15V
VOL and VOH are the typical output voltage drop that occur with the
output load.
VI = VCC
AC WAVEFORMS FOR VCC = 3.0V TO 3.6V AND
VCC = 2.7V RANGE
VM = 1.5 V
VX = VOL + 0.3V
VY = VOH –0.3V
VOL and VOH are the typical output voltage drop that occur with the
output load.
VI = 2.7V
VI
An INPUT
VM
GND
VOH
tPHL
tPLH
Yn OUTPUT
VM
VOL
SW00057
Waveform 1. Input (An) to output (Yn) propagation delay times
VI
nOE INPUT
VM
GND
VCC
OUTPUT
LOW-to-OFF
OFF-to-LOW
VOL
VOH
OUTPUT
HIGH-to-OFF
OFF-to-HIGH
GND
tPLZ
tPZL
tPHZ
outputs
enabled
VM
VX
tPZH
VY
VM
outputs
disabled
outputs
enabled
SW00058
Waveform 2. 3-State enable and disable times
TEST CIRCUIT
VCC
PULSE
GENERATOR
VI
RT
VO
D.U.T.
CL
S1
2 * VCC
Open
GND
RL = 500
RL = 500
Test Circuit for switching times
DEFINITIONS
RL = Load resistor
CL = Load capacitance includes jig and probe capacitance
RT = Termination resistance should be equal to ZOUT of pulse generators.
SWITCH POSITION
TEST
S1
VCC
VI
tPLH/tPHL
Open
< 2.7V
VCC
tPLZ/tPZL
tPHZ/tPZH
2 < VCC
GND
2.7–3.6V
2.7V
SV00906
Waveform 3. Load circuitry for switching times
1998 Jun 29
7
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