74HC245-Q100; 74HCT245-Q100
Octal bus tranceiver; 3-state
Rev. 1 — 22 July 2013
Product data sheet
1. General description
The 74HC245-Q100; 74HCT245-Q100 is an 8-bit transceiver with 3-state outputs. The
device features an output enable (OE) and send/receive (DIR) for direction control. A
HIGH on OE causes the outputs to assume a high-impedance OFF-state. Inputs include
clamp diodes that enable the use of current limiting resistors to interface inputs to voltages
in excess of V
CC
.
This product has been qualified to the Automotive Electronics Council (AEC) standard
Q100 (Grade 1) and is suitable for use in automotive applications.
2. Features and benefits
Automotive product qualification in accordance with AEC-Q100 (Grade 1)
Specified from
40 C
to +85
C
and from
40 C
to +125
C
Octal bidirectional bus interface
Non-inverting 3-state outputs
Multiple package options
Complies with JEDEC standard no. 7A
ESD protection:
MIL-STD-883, method 3015 exceeds 2000 V
HBM JESD22-A114F exceeds 2000 V
MM JESD22-A115-A exceeds 200 V (C = 200 pF, R = 0
)
3. Ordering information
Table 1.
Ordering information
Package
Temperature range
74HC245D-Q100
74HCT245D-Q100
74HC245PW-Q100
74HCT245PW-Q100
74HC245BQ-Q100
74HCT245BQ-Q100
40 C
to +125
C
40 C
to +125
C
TSSOP20
40 C
to +125
C
Name
SO20
Description
plastic small outline package; 20 leads;
body width 7.5 mm
Version
SOT163-1
Type number
plastic thin shrink small outline package; 20 leads; SOT360-1
body width 4.4 mm
DHVQFN20 plastic dual-in-line compatible thermal enhanced
SOT764-1
very thin quad flat package no leads; 20 terminals;
body 2.5
4.5
0.85 mm
Nexperia
74HC245-Q100; 74HCT245-Q100
Octal bus tranceiver; 3-state
4. Functional diagram
DIR
OE
2
A0
B0
3
A1
B1
4
A2
B2
5
A3
B3
6
A4
B4
7
A5
B5
8
A6
B6
9
A7
B7
11
12
13
14
15
2
16
3
4
5
6
7
8
9
mna175
1
19
18
19
1
G3
3EN1
3EN2
17
1
2
18
17
16
15
14
13
12
11
mna174
Fig 1.
Logic symbol
Fig 2.
IEC logic symbol
74HC_HCT245_Q100
All information provided in this document is subject to legal disclaimers.
©
Nexperia B.V. 2017. All rights reserved
Product data sheet
Rev. 1 — 22 July 2013
2 of 20
Nexperia
74HC245-Q100; 74HCT245-Q100
Octal bus tranceiver; 3-state
5. Pinning information
5.1 Pinning
(1) This is not a supply pin. The substrate is attached to this
pad using conductive die attach material. There is no
electrical or mechanical requirement to solder this pad.
However, if it is soldered, the solder land should remain
floating or be connected to GND.
Fig 3.
Pin configuration SO20 and TSSOP20
Fig 4.
Pin configuration DHVQFN20
5.2 Pin description
Table 2.
Symbol
DIR
A0, A1, A2, A3, A4, A5, A6, A7
GND
B0, B1, B2, B3, B4, B5, B6, B7
OE
V
CC
Pin description
Pin
1
2, 3, 4, 5, 6, 7, 8, 9
10
18, 17, 16, 15, 14, 13, 12, 11
19
20
Description
direction control
data input/output
ground (0 V)
data input/output
output enable input (active LOW)
supply voltage
74HC_HCT245_Q100
All information provided in this document is subject to legal disclaimers.
©
Nexperia B.V. 2017. All rights reserved
Product data sheet
Rev. 1 — 22 July 2013
3 of 20
Nexperia
74HC245-Q100; 74HCT245-Q100
Octal bus tranceiver; 3-state
6. Functional description
Table 3.
Input
OE
L
L
H
[1]
Function table
[1]
Input/output
DIR
L
H
X
An
A=B
input
Z
Bn
input
B=A
Z
H = HIGH voltage level; L = LOW voltage level; X = don’t care; Z = high-impedance OFF-state.
7. Limiting values
Table 4.
Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V).
Symbol
V
CC
I
IK
I
OK
I
O
I
CC
I
GND
T
stg
P
tot
Parameter
supply voltage
input clamping current
output clamping current
output current
supply current
ground current
storage temperature
total power dissipation
SO20, TSSOP20 and DHVQFN20
packages
[1]
Conditions
V
I
<
0.5
V or V
I
> V
CC
+ 0.5 V
V
O
<
0.5
V or V
O
> V
CC
+ 0.5 V
V
O
=
0.5
V to V
CC
+ 0.5 V
Min
0.5
-
-
-
-
70
65
-
Max
+7
20
20
35
+70
-
+150
500
Unit
V
mA
mA
mA
mA
mA
C
mW
[1]
For SO20 package: above 70
C,
P
tot
derates linearly with 8 mW/K.
For TSSOP20 package: above 60
C,
P
tot
derates linearly with 5.5 mW/K.
For DHVQFN20 package: above 60
C,
P
tot
derates linearly with 4.5 mW/K.
8. Recommended operating conditions
Table 5.
Recommended operating conditions
Voltages are referenced to GND (ground = 0 V)
Symbol Parameter
V
CC
V
I
V
O
T
amb
t/V
supply voltage
input voltage
output voltage
ambient temperature
input transition rise and fall rate
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 6.0 V
Conditions
74HC245-Q100
Min
2.0
0
0
40
-
-
-
Typ
5.0
-
-
+25
-
1.67
-
Max
6.0
V
CC
V
CC
+125
625
139
83
74HCT245-Q100
Min
4.5
0
0
40
-
-
-
Typ
5.0
-
-
+25
-
1.67
-
Max
5.5
V
CC
V
CC
+125
-
139
-
V
V
V
C
ns/V
ns/V
ns/V
Unit
74HC_HCT245_Q100
All information provided in this document is subject to legal disclaimers.
©
Nexperia B.V. 2017. All rights reserved
Product data sheet
Rev. 1 — 22 July 2013
4 of 20
Nexperia
74HC245-Q100; 74HCT245-Q100
Octal bus tranceiver; 3-state
9. Static characteristics
Table 6.
Static characteristics type 74HC245-Q100
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol
V
IH
Parameter
HIGH-level input voltage
Conditions
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 6.0 V
V
IL
LOW-level input voltage
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 6.0 V
V
OH
HIGH-level output voltage
V
I
= V
IH
or V
IL
I
O
=
20 A;
V
CC
= 2.0 V
I
O
=
20 A;
V
CC
= 4.5 V
I
O
=
20 A;
V
CC
= 6.0 V
I
O
=
6.0
mA; V
CC
= 4.5 V
I
O
=
7.8
mA; V
CC
= 6.0 V
V
OL
LOW-level output voltage
V
I
= V
IH
or V
IL
I
O
= 20
A;
V
CC
= 2.0 V
I
O
= 20
A;
V
CC
= 4.5 V
I
O
= 20
A;
V
CC
= 6.0 V
I
O
= 6.0 mA; V
CC
= 4.5 V
I
O
= 7.8 mA; V
CC
= 6.0 V
I
I
I
OZ
I
CC
C
I
C
I/O
V
IH
input leakage current
OFF-state output current
supply current
input capacitance
input/output capacitance
HIGH-level input voltage
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 6.0 V
V
IL
LOW-level input voltage
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 6.0 V
V
OH
HIGH-level output voltage
V
I
= V
IH
or V
IL
I
O
=
20 A;
V
CC
= 2.0 V
I
O
=
20 A;
V
CC
= 4.5 V
I
O
=
20 A;
V
CC
= 6.0 V
I
O
=
6.0
mA; V
CC
= 4.5 V
I
O
=
7.8
mA; V
CC
= 6.0 V
74HC_HCT245_Q100
All information provided in this document is subject to legal disclaimers.
Min
1.5
3.15
4.2
-
-
-
1.9
4.4
5.9
3.98
5.48
-
-
-
-
-
-
-
-
-
-
1.5
3.15
4.2
-
-
-
1.9
4.4
5.9
3.84
5.34
Typ
1.2
2.4
3.2
0.8
2.1
2.8
2.0
4.5
6.0
4.32
5.81
0
0
0
0.15
0.16
-
-
-
3.5
10
-
-
-
-
-
-
-
-
-
-
-
©
Max
-
-
-
0.5
1.35
1.8
-
-
-
-
-
0.1
0.1
0.1
0.26
0.26
0.1
0.5
8.0
-
-
-
-
-
0.5
1.35
1.8
-
-
-
-
-
Unit
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
A
A
A
pF
pF
V
V
V
V
V
V
V
V
V
V
V
5 of 20
T
amb
= 25
C
V
I
= V
CC
or GND; V
CC
= 6.0 V
V
I
= V
IH
or V
IL
; V
O
= V
CC
or GND;
V
CC
= 6.0 V
V
I
= V
CC
or GND; I
O
= 0 A;
V
CC
= 6.0 V
T
amb
=
40 C
to +85
C
Nexperia B.V. 2017. All rights reserved
Product data sheet
Rev. 1 — 22 July 2013
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