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74AHC244PW-Q100,11

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18
74AHC_AHCT244_Q100 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved.
Product data sheet Rev. 1 — 9 July 2012 3 of 17
NXP Semiconductors
74AHC244-Q100; 74AHCT244-Q100
Octal buffer/line driver; 3-state
5. Pinning information
5.1 Pinning
Fig 2. Logic symbol Fig 3. IEC logic symbol
mna874
8
6
4
2
1A0
1A1
1A2
1A3
1OE
18
16
1Y0
1Y1
1Y2
1Y3
14
12
1
11
13
15
17
2A0
2A1
2A2
2A3
2OE
3
5
2Y0
2Y1
2Y2
2Y3
7
9
19
12
14
2
4
6
8
18
16
1
EN
mna873
3
5
11
13
15
17
9
7
19
EN
(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 4. Pin configuration SO20, TSSOP20 Fig 5. Pin configuration DHVQFN20
74AHC244-Q100
74AHCT244-Q100
1OE V
CC
1A0 2OE
2Y0 1Y0
1A1 2A0
2Y1 1Y1
1A2 2A1
2Y2 1Y2
1A3 2A2
2Y3 1Y3
GND 2A3
aaa-003140
1
2
3
4
5
6
7
8
9
10
12
11
14
13
16
15
18
17
20
19
aaa-003141
74AHC244-Q100
74AHCT244-Q100
Transparent top view
1Y3
GND
(1)
1A3
2Y3
2A2
2Y2 1Y2
1A2 2A1
2Y1 1Y1
1A1 2A0
2Y0 1Y0
1A0 2OE
GND
2A3
1OE
V
CC
9 12
8 13
7 14
6 15
5 16
4 17
3 18
2 19
10
11
1
20
terminal 1
index area
74AHC_AHCT244_Q100 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved.
Product data sheet Rev. 1 — 9 July 2012 4 of 17
NXP Semiconductors
74AHC244-Q100; 74AHCT244-Q100
Octal buffer/line driver; 3-state
5.2 Pin description
6. Functional description
[1] H = HIGH voltage level; L = LOW voltage level; X = don’t care; Z = high-impedance OFF-state.
7. Limiting values
[1] The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
[2] P
tot
derates linearly with 8 mW/K above 70 C.
[3] P
tot
derates linearly with 5.5 mW/K above 60 C.
[4] P
tot
derates linearly with 4.5 mW/K above 60 C.
Table 2. Pin description
Symbol Pin Description
1OE
, 2OE 1, 19 output enable input (active LOW)
1A[0:3] 2, 4, 6, 8 data input
2A[0:3] 17, 15, 13, 11 data input
1Y[0:3] 18, 16, 14, 12 data output
2Y[0:3] 3, 5, 7, 9 data output
GND 10 ground (0 V)
V
CC
20 supply voltage
Table 3. Function table
[1]
Control Input Output
nOE nAn nYn
LLL
HH
HXZ
Table 4. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V).
Symbol Parameter Conditions Min Max Unit
V
CC
supply voltage 0.5 +7.0 V
V
I
input voltage 0.5 +7.0 V
I
IK
input clamping current V
I
< 0.5 V
[1]
20 - mA
I
OK
output clamping current V
O
< 0.5 V or V
O
>V
CC
+0.5V
[1]
- 20 mA
I
O
output current V
O
= 0.5 V to (V
CC
+0.5V) - 25 mA
I
CC
supply current - 75 mA
I
GND
ground current 75 - mA
T
stg
storage temperature 65 +150 C
P
tot
total power dissipation T
amb
= 40 C to +125 C
SO20 package
[2]
- 500 mW
TSSOP20 package
[3]
- 500 mW
DHVQFN20 package
[4]
- 500 mW
74AHC_AHCT244_Q100 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved.
Product data sheet Rev. 1 — 9 July 2012 5 of 17
NXP Semiconductors
74AHC244-Q100; 74AHCT244-Q100
Octal buffer/line driver; 3-state
8. Recommended operating conditions
9. Static characteristics
Table 5. Recommended operating conditions
Voltages are referenced to GND (ground = 0 V).
Symbol Parameter Conditions 74AHC244-Q100 74AHCT244-Q100 Unit
Min Typ Max Min Typ Max
V
CC
supply voltage 2.0 5.0 5.5 4.5 5.0 5.5 V
V
I
input voltage 0 - 5.5 0 - 5.5 V
V
O
output voltage 0 - V
CC
0- V
CC
V
T
amb
ambient temperature 40 +25 +125 40 +25 +125 C
t/V input transition rise
and fall rate
V
CC
= 3.3 V 0.3 V - - 100 - - - ns/V
V
CC
= 5.0 V 0.5 V - - 20 - - 20 ns/V
Table 6. Static characteristics
Voltages are referenced to GND (ground = 0 V).
Symbol Parameter Conditions 25 C 40 C to +85 C 40 C to +125 C Unit
Min Typ Max Min Max Min Max
74AHC244-Q100
V
IH
HIGH-level
input voltage
V
CC
= 2.0 V 1.5 - - 1.5 - 1.5 - V
V
CC
= 3.0 V 2.1 - - 2.1 - 2.1 - V
V
CC
= 5.5 V 3.85 - - 3.85 - 3.85 - V
V
IL
LOW-level
input voltage
V
CC
= 2.0 V - - 0.5 - 0.5 - 0.5 V
V
CC
= 3.0 V - - 0.9 - 0.9 - 0.9 V
V
CC
= 5.5 V - - 1.65 - 1.65 - 1.65 V
V
OH
HIGH-level
output voltage
V
I
= V
IH
or V
IL
I
O
= 50 A; V
CC
= 2.0 V 1.9 2.0 - 1.9 - 1.9 - V
I
O
= 50 A; V
CC
= 3.0 V 2.9 3.0 - 2.9 - 2.9 - V
I
O
= 50 A; V
CC
= 4.5 V 4.4 4.5 - 4.4 - 4.4 - V
I
O
= 4.0 mA; V
CC
= 3.0 V 2.58 - - 2.48 - 2.40 - V
I
O
= 8.0 mA; V
CC
= 4.5 V 3.94 - - 3.8 - 3.70 - V
V
OL
LOW-level
output voltage
V
I
= V
IH
or V
IL
I
O
= 50 A; V
CC
= 2.0 V - 0 0.1 - 0.1 - 0.1 V
I
O
= 50 A; V
CC
= 3.0 V - 0 0.1 - 0.1 - 0.1 V
I
O
= 50 A; V
CC
= 4.5 V - 0 0.1 - 0.1 - 0.1 V
I
O
= 4.0 mA; V
CC
= 3.0 V - - 0.36 - 0.44 - 0.55 V
I
O
= 8.0 mA; V
CC
= 4.5 V - - 0.36 - 0.44 - 0.55 V
I
OZ
OFF-state
output current
V
I
=V
IH
or V
IL
;
V
O
=V
CC
or GND;
V
CC
=5.5V
--0.25 - 2.5 - 10.0 A
I
I
input leakage
current
V
I
=5.5VorGND;
V
CC
= 0 V to 5.5 V
- - 0.1 - 1.0 - 2.0 A
I
CC
supply current V
I
=V
CC
or GND; I
O
= 0 A;
V
CC
=5.5V
--4.0- 40 - 80A
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18

74AHC244PW-Q100,11

Mfr. #:
Buy 74AHC244PW-Q100,11
Manufacturer:
Nexperia
Description:
Buffers & Line Drivers Octal Buff/Drvr 3ST 5.5 V CMOS
Lifecycle:
New from this manufacturer.
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