RENESAS HD74LS244

HD74LS244
Octal Buffers / Line Drivers / Line Receivers
(non inverted three-state outputs)
REJ03D0463–0200
Rev.2.00
Feb.18.2005
Features
• Ordering Information
Part Name
Package Type
Package Code
(Previous Code)
Package
Abbreviation
Taping Abbreviation
(Quantity)
HD74LS244P
DILP-20 pin
PRDP0020AC-B
(DP-20NEV)
P
—
HD74LS244FPEL
SOP-20 pin (JEITA)
PRSP0020DD-B
(FP-20DAV)
FP
EL (2,000 pcs/reel)
HD74LS244RPEL
SOP-20 pin (JEDEC)
PRSP0020DC-A
(FP-20DBV)
RP
EL (1,000 pcs/reel)
Note: Please consult the sales office for the above package availability.
Pin Arrangement
1G
1
20
VCC
1A1
2
19
2G
2Y4
3
18
1Y1
1A2
4
17
2A4
2Y3
5
16
1Y2
1A3
6
15
2A3
2Y2
7
14
1Y3
1A4
8
13
2A2
2Y1
9
12
1Y4
GND
10
11
2A1
(Top view)
Rev.2.00, Feb.18.2005, page 1 of 5
HD74LS244
Function Table
Inputs
G
H
L
L
Output
Y
Z
H
L
A
X
H
L
Note: H; high level, L; low level, X; irrelevant, Z; off (high-impedance) state of a 3-state output
Block Diagram (1/2)
A1
Y1
A2
Y2
A3
Y3
A4
Y4
G
Absolute Maximum Ratings
Item
Symbol
Ratings
Unit
Supply voltage
VCC
7
V
Input voltage
VIN
7
V
PT
400
mW
Tstg
–65 to +150
°C
Power dissipation
Storage temperature
Note: Voltage value, unless otherwise noted, are with respect to network ground terminal.
Recommended Operating Conditions
Item
Supply voltage
Output current
Operating temperature
Rev.2.00, Feb.18.2005, page 2 of 5
Symbol
Min
Typ
Max
Unit
VCC
4.75
5.00
5.25
V
IOH
—
—
–15
mA
IOL
—
—
24
mA
Topr
–20
25
75
°C
HD74LS244
Electrical Characteristics
(Ta = –20 to +75 °C)
Item
Input voltage
Hysteresis
Symbol
VIH
VIL
VT+ – VT–
typ.*
—
—
0.4
—
—
—
—
—
—
—
—
—
max.
—
0.8
—
—
—
0.4
0.5
20
–20
20
–0.2
0.1
Unit
V
V
V
II
min.
2.0
—
0.2
2.4
2.0
—
—
—
—
—
—
—
µA
mA
mA
VCC = 5.25 V, VI = 2.7 V
VCC = 5.25 V, VI = 0.4 V
VCC = 5.25 V, VI = 7 V
IOS
–40
—
–225
mA
VCC = 5.25 V
—
13
23
—
27
46
mA
VCC = 5.25 V
VOH
Output voltage
VOL
Off-state output current
Input current
Short-circuit output
current
IOZH
IOZL
IIH
IIL
Outputs
"H"
Supply
current**
Outputs
"L"
ICC
All outputs
—
32
disabled
Input clamp voltage
VIK
—
—
Notes: * VCC = 5 V, Ta = 25°C
** ICC is measured with all outputs open.
V
V
µA
Condition
VCC = 4.75 V
VIL = 0.8 V, IOH = – 3 mA
VCC = 4.75 V,
VIH = 2 V
VIL = 0.5 V, IOH = – 15 mA
IOL = 12 mA
VCC = 4.75 V, VIH = 2 V,
V
IL = 0.8 V
IOL = 24 mA
VO = 2.7 V
VCC = 5.25 V, VIH = 2 V,
VIL = 0.8 V
VO = 0.4 V
54
–1.5
V
VCC = 4.75 V, IIN = –18 mA
Switching Characteristics
(VCC = 5 V, Ta = 25°C)
Item
Propagation delay time
Output enable time
Output disable time
Symbol
tPLH
tPHL
tZL
tZH
tLZ
tHZ
min.
—
—
—
—
—
—
typ.
12
12
20
15
15
10
max.
18
18
30
23
25
18
Unit
Condition
ns
ns
ns
ns
ns
CL = 45 pF, RL = 667 Ω
CL = 5 pF, RL = 667 Ω
Note: Refer to Test Circuit and Waveform of the Common Item "TTL Common Matter (Document No.: REJ27D00050100)".
Rev.2.00, Feb.18.2005, page 3 of 5
HD74LS244
Package Dimensions
JEITA Package Code
P-DIP20-6.3x24.5-2.54
RENESAS Code
PRDP0020AC-B
Previous Code
DP-20NEV
MASS[Typ.]
1.26g
D
11
E
20
1
10
b3
0.89
Z
Dimension in Millimeters
Min
Nom
Max
A
Reference
Symbol
A1
e
D
24.50
E
6.30
L
θ
c
e1
A1
0.51
b
p
0.40
b
3
JEITA Package Code
P-SOP20-5.5x12.6-1.27
RENESAS Code
PRSP0020DD-B
*1
Previous Code
FP-20DAV
0.48
0.56
c
0.19
θ
0°
e
2.29
0.25
0.31
2.54
2.79
15°
1.27
L
2.54
MASS[Typ.]
0.31g
D
NOTE)
1. DIMENSIONS"*1 (Nom)"AND"*2"
DO NOT INCLUDE MOLD FLASH.
2. DIMENSION"*3"DOES NOT
INCLUDE TRIM OFFSET.
F
20
7.00
1.30
Z
( Ni/Pd/Au plating )
25.40
5.08
A
bp
e
7.62
1
11
c
HE
*2
E
bp
Index mark
Reference
Symbol
Terminal cross section
( Ni/Pd/Au plating )
Z
e
*3
bp
Nom
Max
D
12.60
13.0
E
5.50
A2
10
1
A1
x
Dimension in Millimeters
Min
M
0.00
0.10
0.20
0.34
0.40
0.46
0.15
0.20
0.25
7.80
8.00
2.20
A
L1
bp
b1
c
A
c
1
θ
0°
HE
A1
θ
y
L
Detail F
e
8°
1.27
x
0.12
y
0.15
0.80
Z
0.50
L
L
Rev.2.00, Feb.18.2005, page 4 of 5
7.50
1
0.70
1.15
0.90
HD74LS244
JEITA Package Code
P-SOP20-7.5x12.8-1.27
RENESAS Code
PRSP0020DC-A
*1
Previous Code
FP-20DBV
MASS[Typ.]
0.52g
D
F
20
NOTE)
1. DIMENSIONS"*1 (Nom)"AND"*2"
@ DO NOT INCLUDE MOLD FLASH.
2. DIMENSION"*3"DOES NOT
@ INCLUDE TRIM OFFSET.
11
HE
c
*2
E
bp
Index mark
Reference
Symbol
Terminal cross section
( Ni/Pd/Au plating )
Dimension in Millimeters
Min
Nom
Max
D
12.80
13.2
E
7.50
A2
10
1
Z
e
*3
bp
x
A1
M
0.10
0.20
0.30
0.34
0.40
0.46
0.20
0.25
0.30
10.40
10.65
A
L1
2.65
bp
b1
c
A
c
A1
θ
L
y
1
θ
0°
HE
10.00
8°
1.27
e
x
0.12
y
0.15
0.935
Z
Detail F
L
L
Rev.2.00, Feb.18.2005, page 5 of 5
0.40
1
0.70
1.45
1.27
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Nippon Bldg., 2-6-2, Ohte-machi, Chiyoda-ku, Tokyo 100-0004, Japan
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