tc74hct245af TOSHIBA Semiconductor CORPORATION, tc74hct245af Datasheet - Page 4

• Manufacturer Part Number: tc74hct245af
• Description: Octal Bus Transceiver
• Manufacturer: TOSHIBA Semiconductor CORPORATION

AC Characteristics
Output transition time
Propagation delay
time
3-state output enable
time
3-state output disable
time
Input capacitance
Output capacitance
Power dissipation
capacitance
Note:
Characteristics
C
current consumption without load.
Average operating current can be obtained by the equation:
PD
I
is defined as the value of the internal equivalent capacitance which is calculated from the operating
CC
(opr) = C
Symbol
(input: t
t
t
t
t
C
t
t
t
t
C
C
TLH
THL
pZH
pHZ
pLH
pHL
pZL
pLZ
PD
PD
I/O
IN
(Note)
･V
CC
r
R
R
DIR, G
An, Bn
･f
= t
L
L
IN
= 1 k Ω
= 1 k Ω
f
+ I
= 6 ns)
CC
⎯
⎯
/8 (per bit)
Test Condition
⎯
C
L
150
150
50
50
50
50
4
(pF) V
CC
4.5
5.5
4.5
5.5
4.5
5.5
4.5
5.5
4.5
5.5
4.5
5.5
(V)
Min
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
Ta = 25°C
Typ.
13
11
18
16
19
16
24
22
17
16
13
41
7
6
5
TC74HCT245AP/AF
Max
12
11
22
20
30
27
30
27
38
34
30
27
10
⎯
⎯
Ta = − 40 to 85°C
Min
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
2007-10-01
Max
15
14
28
25
38
34
38
34
48
43
38
34
10
⎯
⎯
Unit
pF
pF
pF
ns
ns
ns
ns