74LVT373DB データシートの表示（PDF） - Philips Electronics
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74LVT373DB Datasheet PDF : 6 Pages
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Philips Semiconductors Low Voltage Products
3.3 Volt ABT octal transparent latch (3–State)
Objective specification
74LVT373
AC CHARACTERISTICS
GND = 0V; tR = tF = 6ns; CL = 50pF; RL = 500Ω, Tamb = –40°C to +85°C.
SYMBOL
PARAMETER
WAVEFORM
tPLH
Propagation delay
tPHL
An to Yn
NO TAG
tPZH
tPZL
Output enable time
OEn to Yn
NO TAG
tPHZ
tPLZ
Output disable time
OEn to Yn
NO TAG
NOTE:
1. All typical values are at VCC = 3.3V and Tamb = 25°C.
AC WAVEFORMS
VM = 1.5V, VIN = GND to 3.0V
LIMITS
VCC = 3.3V ±0.3V
MIN
TYP1
MAX
2.7
2.9
3.4
3.4
3.7
2.6
VCC = 2.7V
MAX
UNIT
ns
ns
ns
E
VM
VM
VM
Dn
VM
VM
tw(H)
tPHL
tPLH
Qn
VM
VM
ÉÉÉ Waveform 1. Propagation Delay, Enable to
Output, and Enable Pulse Width
ÉÉÉÉÉÉÉÉÉÉÉÉ Dn
VM
ts(H)
tPLH
tPHL
Qn
VM
VM
ÉÉÉÉÉÉÉÉÉÉ Waveform 2. Propagation Delay for Data
to Outputs
ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉ VM
VM
VM
th(H)
ts(L)
th(L)
E
VM
VM
Waveform 3. Data Setup and Hold Times
OE
VM
VM
tPZH
tPHZ
Qn
VOH –0.3V
VM
0V
Waveform 4. 3-State Output Enable Time to High Level
and Output Disable Time from High Level
OE
VM
VM
tPZL
tPLZ
Qn
VM
VOL +0.3V
0V
Waveform 5. 3-State Output Enable Time to Low Level
and Output Disable Time from Low Level
NOTE: The shaded areas indicate when the input is permitted to change for predictable output performance.
July 1993
6
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