RENESAS HD74LS157P

HD74LS157
Quadruple 2-line-to-1-line Data Selectors / Multiplexers
(noninverted outputs)
REJ03D0442–0200
Rev.2.00
Feb.18.2005
This data selector / multiplexer contains inverters and drivers to supply full on-chip data selection to the four output
gates. A separate strobe input is provided. A 4-bit word is selected from one of two sources and is routed to the four
outputs. Then, outputs present true data to minimize propagation delay time.
Features
• Ordering Information
Part Name
Package Type
Package Code
(Previous Code)
Package
Abbreviation
Taping Abbreviation
(Quantity)
HD74LS157P
DILP-16 pin
PRDP0016AE-B
(DP-16FV)
P
—
HD74LS157FPEL
SOP-16 pin (JEITA)
PRSP0016DH-B
(FP-16DAV)
FP
EL (2,000 pcs/reel)
HD74LS157RPEL
SOP-16 pin (JEDEC)
PRSP0016DG-A
(FP-16DNV)
RP
EL (2,500 pcs/reel)
Note: Please consult the sales office for the above package availability.
Pin Arrangement
Select
1
16
VCC
S
1A
2
1A
G
15
Strobe
1B
3
1B
4A
14
4A
1Y
4
1Y
4B
13
4B
2A
5
2A
4Y
12
4Y
2B
6
2B
3A
11
3A
2Y
7
2Y
3B
10
3B
GND
8
9
3Y
Inputs
Output
Inputs
Output
3Y
(Top view)
Rev.2.00, Feb.18.2005, page 1 of 6
Inputs
Output
Inputs
Output
HD74LS157
Function Table
Inputs
Strobe
H
L
L
L
L
Select
X
L
L
H
H
A
X
L
H
X
X
Output
Y
L
L
H
L
H
B
X
X
X
L
H
H ; high level, L ; low level, X ; irrelevant
Block Diagram
1A
1Y
1B
2A
Data
Inputs
2Y
2B
Outputs
3A
3Y
3B
4A
4Y
4B
Strobe G
Select S
Absolute Maximum Ratings
Item
Symbol
Ratings
Unit
Supply voltage
VCC
7
V
Input voltage
VIN
7
V
Power dissipation
PT
400
mW
Tstg
–65 to +150
°C
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 6
Symbol
Min
Typ
Max
Unit
VCC
4.75
5.00
5.25
V
IOH
—
—
–400
µA
IOL
—
—
8
mA
Topr
–20
25
75
°C
HD74LS157
Electrical Characteristics
(Ta = –20 to +75 °C)
Item
Input voltage
Symbol
VIH
VIL
min.
2.0
—
typ.*
—
—
max.
—
0.8
Unit
V
V
VOH
2.7
—
—
V
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0.4
0.5
40
20
–0.8
–0.4
0.2
0.1
Output voltage
VOL
Input current
S, G
A, B
S, G
A, B
S, G
A, B
IIH
IIL
II
V
Condition
VCC = 4.75 V, VIH = 2 V, VIL = 0.8 V,
IOH = –400 µA
IOL = 4 mA
VCC = 4.75 V, VIH = 2 V,
VIL = 0.8 V
IOL = 8 mA
µA
VCC = 5.25 V, VI = 2.7 V
mA
VCC = 5.25 V, VI = 0.4 V
mA
VCC = 5.25 V, VI = 7 V
Short-circuit output
–20
—
–100
mA
IOS
current
Supply current**
ICC
—
9.7
16
mA
Input clamp voltage
VIK
—
—
–1.5
V
Notes: * VCC = 5 V, Ta = 25°C
** ICC is measured with all outputs open and all inputs at 4.5 V.
VCC = 5.25 V
VCC = 5.25 V
VCC = 4.75 V, IIN = –18 mA
Switching Characteristics
(VCC = 5 V, Ta = 25°C)
Item
Propagation delay time
Symbol
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
Rev.2.00, Feb.18.2005, page 3 of 6
Inputs
Output
Data
Y
Strobe
Y
Select
Y
min.
—
—
—
—
—
—
typ.
9
9
13
14
15
18
max.
14
14
20
21
23
27
Unit
ns
ns
ns
ns
ns
ns
Condition
CL = 15 pF, RL = 2 kΩ
HD74LS157
Testing Method
Test Circuit
VCC
4.5V
Output
RL
1A
1B
2A
2B
3A
3B
4A
4B
See Function Table
Input
P.G.
Zout = 50Ω
1Y
CL
Output
2Y
Same as Load Circuit 1.
Output
3Y
Same as Load Circuit 1.
G
S
Output
4Y
Notes:
Load circuit 1
Same as Load Circuit 1.
1. CL includes probe and jig capacitance.
2. All diodes are 1S2074(H).
Waveform
tTHL
tTLH
90%
1.3 V
Input
3V
90%
1.3 V
10%
10%
0V
tPHL
tPLH
VOH
In phase output
1.3 V
1.3 V
VOL
tPHL
tPLH
VOH
Out of phase output
1.3 V
1.3 V
VOL
Note:
Input pulse; tTLH ≤ 15 ns, tTHL ≤ 6 ns, PRR = 1 MHz, duty cycle 50%.
Rev.2.00, Feb.18.2005, page 4 of 6
HD74LS157
Package Dimensions
JEITA Package Code
P-DIP16-6.3x19.2-2.54
RENESAS Code
PRDP0016AE-B
MASS[Typ.]
1.05g
Previous Code
DP-16FV
D
9
E
16
1
8
b3
0.89
Z
A1
A
Reference
Symbol
L
e
Nom
θ
c
e1
D
19.2
E
6.3
JEITA Package Code
P-SOP16-5.5x10.06-1.27
RENESAS Code
PRSP0016DH-B
*1
Previous Code
FP-16DAV
7.4
A1
0.51
b
p
0.40
b
3
0.48
0.56
1.30
c
0.19
θ
0°
e
2.29
0.25
0.31
2.54
2.79
15°
1.12
L
2.54
MASS[Typ.]
0.24g
NOTE)
1. DIMENSIONS"*1 (Nom)"AND"*2"
DO NOT INCLUDE MOLD FLASH.
2. DIMENSION"*3"DOES NOT
INCLUDE TRIM OFFSET.
D
F
16
20.32
5.06
Z
( Ni/Pd/Au plating )
Max
7.62
1
A
bp
e
Dimension in Millimeters
Min
9
c
HE
*2
E
bp
Index mark
Reference
Symbol
Terminal cross section
( Ni/Pd/Au plating )
1
Z
*3
bp
Nom
D
10.06
E
5.50
Max
10.5
A2
8
e
Dimension in Millimeters
Min
x
A1
M
0.00
0.10
0.20
0.34
0.40
0.46
0.15
0.20
0.25
7.80
8.00
A
L1
2.20
bp
b1
c
A
c
A1
θ
y
L
Detail F
1
θ
0°
HE
7.50
e
1.27
x
0.12
y
0.15
0.80
Z
L
L
Rev.2.00, Feb.18.2005, page 5 of 6
8°
0.50
1
0.70
1.15
0.90
HD74LS157
JEITA Package Code
P-SOP16-3.95x9.9-1.27
RENESAS Code
PRSP0016DG-A
*1
Previous Code
FP-16DNV
MASS[Typ.]
0.15g
D
NOTE)
1. DIMENSIONS"*1 (Nom)"AND"*2"
DO NOT INCLUDE MOLD FLASH.
2. DIMENSION"*3"DOES NOT
INCLUDE TRIM OFFSET.
F
16
9
c
*2
Index mark
HE
E
bp
Reference
Symbol
Terminal cross section
( Ni/Pd/Au plating )
Dimension in Millimeters
Min
Nom
Max
D
9.90
10.30
E
3.95
A2
8
1
Z
e
*3
bp
x
A1
0.10
0.14
0.25
0.34
0.40
0.46
0.15
0.20
0.25
6.10
6.20
1.75
A
M
L1
bp
b1
c
A
c
A1
θ
L
y
Detail F
1
θ
0°
HE
5.80
1.27
e
x
0.25
y
0.15
0.635
Z
0.40
L
L
Rev.2.00, Feb.18.2005, page 6 of 6
8°
1
0.60
1.08
1.27
Sales Strategic Planning Div.
Nippon Bldg., 2-6-2, Ohte-machi, Chiyoda-ku, Tokyo 100-0004, Japan
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