tc74lcx240 TOSHIBA Semiconductor CORPORATION, tc74lcx240 Datasheet - Page 5

• Manufacturer Part Number: tc74lcx240
• Description: Low-voltage Octal Bus Buffer Inverted 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
Figure 3 t
Measure
t
C
R
t
f
r
L
L
2.5 ns
Open
2.5 ns
6.0 V
GND
Outputs
enabled
= 50 pF
= 500 Ω
Figure 2 t
t
t
pLZ
pHZ
t
pLH
Figure 1
pLZ
V
+ 0.3 V
V
, t
OL
OH
5
t
r
90%
2.5 ns
pLH
1.5 V
pHZ
− 0.3 V
10%
t
Outputs
disabled
1.5 V
f
2.5 ns
90%
, t
, t
10%
pHL
pZL
1.5 V
t
t
t
pHL
Parameter
t
pZL
pZH
t
t
pHZ
pLH
pLZ
, t
, t
, t
, t
pZH
pHL
pZL
pZH
1.5 V
1.5 V
Outputs
enabled
2.7 V
GND
V
V
TC74LCX240F/FT/FK
OH
OL
Switch
Open
6.0 V
GND
2.7 V
GND
3.0 V
V
V
GND
OL
OH
2007-10-19