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TC74AC640FTEL

P1-P3P4-P6P7-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 Typ. 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 μA
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 μA
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 μA
Input leakage
current
I
IN
V
IN
= V
CC
or GND 5.5 ― ― ±0.1 ― ±1.0 μA
Quiescent supply
current
I
CC
V
IN
= V
CC
or GND 5.5 ― ― 8.0 ― 80.0 μA
Note: This spec indicates the capability of driving 50 Ω transmission lines.
One output should be tested at a time 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 Typ. 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 equivalent capacitance which is calculated from the operating
current consumption without load.
Average operating current can be obtained 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-P3P4-P6P7-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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