74GTL1655A データシートの表示（PDF） - STMicroelectronics
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74GTL1655A
STMicroelectronics
74GTL1655A Datasheet PDF : 16 Pages
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74GTL1655A
Value
Symbol
Parameter
Test Condition
-40 to 85 °C
Unit
Min.
Typ.
Max.
tPLH Propagation Delay Time RL=500Ω CL=50pF
1.5
tPHL B to A
1.5
4.8
ns
4.7
tPLH Propagation Delay Time RL=500Ω CL=50pF
1.5
tPHL CK to A
1.5
4.4
ns
4.1
tPLH Propagation Delay Time RL=500Ω CL=50pF
1.5
tPHL LEBA to A
1.5
4
ns
3.7
tEN Enable Delay Time
RL=500Ω R1=500ΩCL=50pF
1
OEBA or OE to A
tDIS Disable Delay Time
1
OEBA or OE to A
4.2
ns
6.1
Slew rate Slew rate B output both VERC=VCC RL=12.5Ω CL=30pF
transition (0.6 to 1.3V) VERC=GND RL=12.5Ω CL=30pF
) tW Pulse duration
LE High
3
t(s CK High or Low
3
uc tSU Set-up Time
Data before clock
2.7
Data before LE
Ck High
2.8
d Ck Low
2.6
Pro tH Hold Time
Data after clock
0.4
Data after LE Ck High or LOW
0.9
te tsk Skew between drivers (in Switching in the same direction
le the same package)
Switching in any direction
o Figure 4: Test Circuit For "A" Outputs
1
ns/V
1
ns
ns
ns
1
ns
1
Obsolete Product(s) - Obs Test
Switch
tPLH, tPHL
tPZL, tPLZ
tPZH, tPHZ
Open
6V
GND
CL = 50pF or equivalent (includes jig and probe capacitance)
RL = R1 = 500Ω or equivalent
RT = ZOUT of pulse generator (typically 50Ω)
tr=tf <=2.5ns
9/16
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