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TC74AC640FTEL
P1-P3
P4-P6
P7-P9
TC74AC245,640P/F/FT
2014-03-01
4
Electrical Characteristics
DC Characteristics
Test Condition
Ta = 25°C
Ta =
−
40 to 85°C
Characteristics Symbol
V
CC
(V)
Min Ty
p.
Max Min Max
Unit
High-level input
voltage
V
IH
―
2.0
3.0
5.5
1.50
2.10
3.85
―
―
―
―
―
―
1.50
2.10
3.85
―
―
―
V
Low-level input
voltage
V
IL
―
2.0
3.0
5.5
―
―
―
―
―
―
0.50
0.90
1.65
―
―
―
0.50
0.90
1.65
V
I
OH
=
−
50
μ
A
2.0
3.0
4.5
1.9
2.9
4.4
2.0
3.0
4.5
―
―
―
1.9
2.9
4.4
―
―
―
High-level output
voltage
V
OH
V
IN
= V
IH
or
V
IL
I
OH
=
−
4 mA
I
OH
=
−
24 mA
I
OH
=
−
75 mA
(Note)
3.0
4.5
5.5
2.58
3.94
―
―
―
―
―
―
―
2.48
3.80
3.85
―
―
―
V
I
OL
= 50
μ
A
2.0
3.0
4.5
―
―
―
0.0
0.0
0.0
0.1
0.1
0.1
―
―
―
0.1
0.1
0.1
Low-level output
voltage
V
OL
V
IN
= V
IH
or
V
IL
I
OL
= 12 mA
I
OL
= 24 mA
I
OL
= 75 mA
(Note)
3.0
4.5
5.5
―
―
―
―
―
―
0.36
0.36
―
―
―
―
0.44
0.44
1.65
V
3-state output
off-state current
I
OZ
V
IN
= V
IH
or V
IL
V
OUT
= V
CC
or GND
5.5
―
―
±0.5
―
±5.0
μ
A
Input leakage
current
I
IN
V
IN
= V
CC
or GND
5.5
―
―
±0.1
―
±1.0
μ
A
Quiescent supply
current
I
CC
V
IN
= V
CC
or GND
5.5
―
―
8.0
―
80.0
μ
A
Note:
This spec indicates the capabilit
y of driving 50
Ω
transmission lines.
One output should be tested at a ti
me for a 10 ms maximum duration.
TC74AC245,640P/F/FT
2014-03-01
5
AC Characteristics
(C
L
= 50 pF
, R
L
= 500
Ω
, input: t
r
= t
f
= 3 ns)
Test Condition
Ta = 25°C
Ta =
−
40 to 85°C
Characteristics Symbol
V
CC
(V)
Min Ty
p.
Max Min Max
Unit
Propagation delay
time (Note
2)
t
pLH
t
pHL
―
3.3 ± 0.3
5.0 ± 0.5
―
―
7.0
5.0
10.9
7.5
1.0
1.0
12.4
8.5
ns
Propagation delay
time (Note
3)
t
pLH
t
pHL
―
3.3 ± 0.3
5.0 ± 0.5
―
―
6.4
4.8
10.0
7.0
1.0
1.0
11.4
8.0
ns
Output enable time
t
pZL
t
pZH
―
3.3 ± 0.3
5.0 ± 0.5
―
―
9.3
7.1
15.3
10.5
1.0
1.0
17.4
12.0
ns
Output disable time
t
pLZ
t
pHZ
―
3.3 ± 0.3
5.0 ± 0.5
―
―
7.1
5.9
11.4
8.7
1.0
1.0
13.0
10.0
ns
Input capacitance
C
IN
DIR,
G
―
5
10
―
10
pF
Bus input capacitance
C
I/O
A
n
, Bn
―
13
―
―
―
pF
TC74AC245
―
38
―
―
―
Power dissipation
capacitance
C
PD
(Note 1)
TC74AC640
―
36
―
―
―
pF
Note 1:
C
PD
is defined as the value of the internal equival
ent
capacitance which is ca
lculated from
the operating
current consumption without load.
Average operating current can be obta
ined by the equation:
I
CC (opr)
= C
PD
·V
CC
·f
IN
·I
CC
/8 (per bit)
Note 2:
For TC74AC245 only
Note 3:
For TC74AC640 only
TC74AC245,640P/F/FT
2014-03-01
6
Package Dimensions
Weight: 1.30 g (typ.)
P1-P3
P4-P6
P7-P9
TC74AC640FTEL
Mfr. #:
Buy TC74AC640FTEL
Manufacturer:
Toshiba
Description:
Bus Transceivers CMOS Logic IC 3.9ns 24mA 2.0 to 5.5V
Lifecycle:
New from this manufacturer.
Delivery:
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