74GTL1655TTR Ver la hoja de datos (PDF) - STMicroelectronics
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74GTL1655TTR
STMicroelectronics
74GTL1655TTR Datasheet PDF : 14 Pages
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74GTL1655
Symbol
Parameter
Test Condition
tEN Enable Delay Time
OEBA or OE to A
RL=500Ω R1=500ΩCL=50pF
tDIS Disable Delay Time
OEBA or OE to A
tSU Set-up Time
Data before clock
Data before LE Ck High
Ck Low
tH Hold Time
Data after clock
Data after LE Ck High or LOW
tW Pulse duration
LE High
CK High or Low
Slew rate Slew rate B output both VERC=VCC
transition (0.6 to 1.3V) VERC=GND
tsk Skew between drivers (in Switching in the same direction
the same package)
Switching in any direction
AC ELECTRICAL CHARACTERISTICS for GTL+
(VCC=3.3 ± 0.3V, VTT=1.5V, VREF=1.0V, VERC=VCC or GND)
Symbol
Parameter
Test Condition
fMAX
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tEN
tDIS
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tEN
tDIS
Maximum Frequency
B to A or A to B
Propagation Delay Time
A to B
VERC=VCC RL=12.5Ω CL=30pF
Propagation Delay Time VERC=VCC RL=12.5Ω CL=30pF
CK to B
Propagation Delay Time VERC=VCC RL=12.5Ω CL=30pF
LEAB to B
Enable Delay Time
OEAB or OE to B
Disable Delay Time
OEAB or OE to B
Propagation Delay Time
A to B
VERC=VCC RL=12.5Ω CL=30pF
VERC=GND RL=12.5Ω CL=30pF
Propagation Delay Time VERC=GND RL=12.5Ω CL=30pF
CK to B
Propagation Delay Time VERC=GND RL=12.5Ω CL=30pF
LEAB to B
Enable Delay Time
OEAB or OE to B
Disable Delay Time
OEAB or OE to B
VERC=GND RL=12.5Ω CL=30pF
Min.
1
Value
-40 to 85 °C
Typ.
Max.
4.6
1
6.1
2.7
2.8
2.6
0.4
0.9
3
3
1
1
1
1
Unit
ns
ns
ns
ns
ns/V
ns
Min.
Value
-40 to 85 °C
Typ.
Max.
160
1.5
5.1
1.5
6.5
1.5
5.4
1.5
6.2
1.5
5.7
1.5
6.7
1.5
5.5
1.5
5.8
1.0
4.3
1.0
4.9
1.0
4.0
1.0
5.5
1.0
4.0
1.0
5.4
1.0
5.1
1.0
4.9
Unit
MHz
ns
ns
ns
ns
ns
ns
ns
ns
8/14
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