7LVCH2373ADB データシートの表示（PDF） - Philips Electronics
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7LVCH2373ADB
Philips Electronics
7LVCH2373ADB Datasheet PDF : 12 Pages
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Philips Semiconductors
Octal D-type transparent latch with 5-volt tolerant
inputs/outputs; damping resistor (3-State)
Product specification
74LVC2373A
74LVCH2373A
VI
OE INPUT
GND
VCC
OUTPUT
LOW–to–OFF
OFF–to–LOW
VOL
VOH
OUTPUT
HIGH–to–OFF
OFF–to–HIGH
GND
VM
tPLZ
tPZL
VX
tPHZ
VM
tPZH
VY
outputs
enabled
outputs
disabled
VM
outputs
enabled
SV00692
Figure 3. 3-State enable and disable times
DnINGPNUVDTÉÉÉI ÉÉÉÉÉÉVM ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉ
th
th
tsu
tsu
VI
LE INPUT
VM
GND
NOTE: The shaded areas indicate when the input is permitted
to change for predictable output performance.
SV00693
Figure 4. Data set-up and hold times
for the Dn input to the LE input
TEST CIRCUIT
PULSE
VI
GENERATOR
VCC
D.U.T.
RT
VO
CL 50pF
S1
500Ω
2 < VCC
Open
GND
500Ω
VCC
t 2.7V
2.7V – 3.6V
VI
VCC
2.7V
Test
tPLH/tPHL
tPLZ/tPZL
tPHZ/tPZH
S1
Open
2 < VCC
GND
SY00003
Figure 5. Load circuitry for switching times
1997 Mar 12
7
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