tc74lcxz244ft TOSHIBA Semiconductor CORPORATION, tc74lcxz244ft Datasheet - Page 6

• Manufacturer Part Number: tc74lcxz244ft
• Description: Low Voltage Octal Bus Buffer With 5 V Tolerant Inputs And Outputs
• Manufacturer: TOSHIBA Semiconductor CORPORATION

AC Test Circuit
AC Waveform
Output
Output Enable
( OE )
Output (Y)
Low to Off to Low
Output (Y)
High to Off to High
Input
(A)
Output
(Y)
Switch
Measure
t
C
R
t
r
r
L
2.5 ns
L
Open
2.5 ns
6.0 V
GND
Outputs
enabled
Figure 3 t
= 50 pF
= 500 Ω
t
t
pLZ
pHZ
Figure 2 t
t
pLH
90%
1.5 V
V
+ 0.3 V
V
Figure 1
OL
OH
6
t
pLZ
f
2.5 ns
90%
1.5 V
− 0.3 V
t
Outputs
disabled
f
, t
10%
2.5 ns
pLH
pHZ
10%
1.5 V
t
t
t
pHL
, t
, t
Parameter
t
pZL
pZH
t
t
pHZ
pLH
pLZ
pHL
pZL
, t
, t
, t
pHL
pZL
pZH
, t
1.5 V
1.5 V
pZH
Outputs
enabled
2.7 V
GND
V
V
TC74LCXZ244FT/FK
OH
OL
Switch
Open
6.0 V
GND
2.7 V
GND
3.0 V
V
V
GND
OL
OH
2011-05-24