RENESAS HD74HC257FPEL

HD74HC257
Quad. 2-to-1-line Data Selectors/Multiplexers
(with noninverted 3-state outputs)
REJ03D0601–0200
(Previous ADE-205-478)
Rev.2.00
Jan 31, 2006
Description
The large output drive capability coupled with the 3-state feature make this device ideal for interfacing with bus lines in
a bus organized system. When the output control input line is taken high, the outputs of all four multiplexers are sent
into a high impedance state. When the output control line is low, the select input chooses whether the A or B input is
used.
Features
•
•
•
•
•
•
High Speed Operation: tpd (Data to Y) = 10.5 ns typ (CL = 50 pF)
High Output Current: Fanout of 15 LSTTL Loads
Wide Operating Voltage: VCC = 2 to 6 V
Low Input Current: 1 µA max
Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C)
Ordering Information
Part Name
Package Code
(Previous Code)
Package Type
Package
Abbreviation
Taping Abbreviation
(Quantity)
HD74HC257P
DILP-16 pin
PRDP0016AE-B
(DP-16FV)
P
—
HD74HC257FPEL
SOP-16 pin (JEITA)
PRSP0016DH-B
(FP-16DAV)
FP
EL (2,000 pcs/reel)
PRSP0016DG-A
RP
(FP-16DNV)
Note: Please consult the sales office for the above package availability.
HD74HC257RPEL
SOP-16 pin (JEDEC)
EL (2,500 pcs/reel)
Function Table
Inputs
Output Control
Select
L
L
L
L
L
H
L
H
H
X
Notes H: high level, L: low level, X: irrelevant
Rev.2.00 Jan 31, 2006 page 1 of 7
A
L
H
X
X
X
B
X
X
L
H
X
Output
Y
L
H
L
H
High impedance
HD74HC257
Pin Arrangement
Select
1
1A
2
1A
1B
3
1Y
16 VCC
S
OC
15 Output
control
1B
4A
14 4A
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
3Y
9
3Y
(Top view)
Logic Diagram
VCC
1A
1Y
1B
VCC
2A
2Y
2B
VCC
3A
3Y
3B
VCC
4A
4Y
4B
Select
Output
control
Rev.2.00 Jan 31, 2006 page 2 of 7
HD74HC257
Absolute Maximum Ratings
Item
Supply voltage range
Input / Output voltage
Input / Output diode current
Output current
VCC, GND current
Power dissipation
Storage temperature
Symbol
VCC
VIN, VOUT
IIK, IOK
IO
ICC or IGND
PT
Tstg
Ratings
–0.5 to 7.0
–0.5 to VCC +0.5
±20
±35
±75
500
–65 to +150
Unit
V
V
mA
mA
mA
mW
°C
Note: The absolute maximum ratings are values, which must not individually be exceeded, and furthermore, no two of
which may be realized at the same time.
Recommended Operating Conditions
Item
Supply voltage
Input / Output voltage
Operating temperature
Input rise / fall time*1
Symbol
VCC
VIN, VOUT
Ta
tr, tf
Ratings
2 to 6
0 to VCC
–40 to 85
0 to 1000
0 to 500
0 to 400
Unit
V
V
°C
ns
Conditions
VCC = 2.0 V
VCC = 4.5 V
VCC = 6.0 V
Notes: 1. This item guarantees maximum limit when one input switches.
Waveform: Refer to test circuit of switching characteristics.
Electrical Characteristics
Item
Input voltage
Symbol VCC (V)
VIH
VIL
Output voltage
VOH
VOL
Min
Ta = 25°C
Typ Max
Ta = –40 to+85°C
Unit
Min
Max
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
4.5
6.0
2.0
1.5
3.15
4.2
—
—
—
1.9
4.4
5.9
4.18
5.68
—
—
—
—
—
—
—
2.0
4.5
6.0
—
—
0.0
—
—
—
0.5
1.35
1.8
—
—
—
—
—
0.1
1.5
3.15
4.2
—
—
—
1.9
4.4
5.9
4.13
5.63
—
—
—
—
0.5
1.35
1.8
—
—
—
—
—
0.1
4.5
6.0
4.5
6.0
—
—
—
—
0.0
0.0
—
—
0.1
0.1
0.26
0.26
—
—
—
—
0.1
0.1
0.33
0.33
Off-state output
current
Input current
IOZ
6.0
—
—
±0.5
—
±5.0
Iin
Quiescent supply
current
ICC
6.0
6.0
—
—
—
—
±0.1
4.0
—
—
±1.0
40
Rev.2.00 Jan 31, 2006 page 3 of 7
Test Conditions
V
V
V
V
Vin = VIH or VIL IOH = –20 µA
Vin = VIH or VIL
IOH = –6 mA
IOH = –7.8 mA
IOL = 20 µA
IOL = 6 mA
IOL = 7.8 mA
µA Vin = VIH or VIL,
Vout = VCC or GND
µA Vin = VCC or GND
µA Vin = VCC or GND, Iout = 0 µA
HD74HC257
Switching Characteristics
(CL = 50 pF, Input tr = tf = 6 ns)
Item
Ta = 25°C
Min
Typ Max
—
—
115
—
11
23
—
—
20
—
—
115
—
10
23
—
—
20
—
—
115
—
14
23
—
—
20
—
—
115
—
14
23
—
—
20
—
—
150
—
11
30
—
—
26
—
—
150
Symbol VCC (V)
Propagation delay
time
tPHL
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
tPLH
tPHL
tPLH
Output enable time
tZL
tZH
tLZ
Output disable
time
tHZ
Output rise/fall
time
tTLH
tTHL
Input capacitance
Cin
Ta = –40 to +85°C
Unit
Test Conditions
Min
Max
—
145
ns Data to Y
—
29
—
25
—
145
ns
—
29
—
25
—
145
ns Select to Y
—
29
—
25
—
145
ns
—
29
—
25
—
190
ns Output control to Y
—
38
—
33
—
190
ns
4.5
6.0
—
—
13
—
30
26
—
—
38
33
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
—
—
—
—
—
—
—
—
—
—
—
—
14
—
—
18
—
—
4
—
5
150
30
26
150
30
26
60
12
10
10
—
—
—
—
—
—
—
—
—
—
190
38
33
190
38
33
75
15
13
10
ns
Output control to Y
ns
ns
pF
Test Circuit
VCC
VCC
Output
1 kΩ
Input
Pulse Generator
Zout = 50 Ω
See Function Table
OC
1Y
CL = 50 pF
Output
1A to 4A
2Y
Output
OPEN
GND
VCC
Same as Load Circuit
1B to 4B
3Y
Output
S
4Y
Note : 1. CL includes probe and jig capacitance.
Rev.2.00 Jan 31, 2006 page 4 of 7
S1
Same as Load Circuit
Same as Load Circuit
TEST
t PLH / t PHL
S1
OPEN
t ZH/ t HZ
t ZL / t LZ
GND
VCC
HD74HC257
Waveforms
• Waveform – 1
tr
tf
90 %
50 %
Input
VCC
90 %
50 %
10 %
10 %
t PLH
t PHL
90 %
Same-phase
output
0V
50 %
10 %
50 %
10 %
t TLH
t PHL
t PLH
90 %
50 %
10 %
50 %
10 %
VOL
tr
90 %
50 %
10 %
t ZL
Input G
VOH
t TLH
t THL
tf
VOL
t THL
90 %
Inverse-phase
output
• Waveform – 2
VOH
90 %
VCC
90 %
50 %
10 %
0V
t LZ
VOH
50 %
Waveform – A
t ZH
Waveform – B
10 %
t HZ
50 %
90 %
VOL
VOH
VOL
Notes : 1. Input waveform : PRR ≤ 1 MHz, duty cycle 50%, tr ≤ 6 ns, tf ≤ 6 ns
2. Waveform– A is for an output with internal conditions such that the
output is low except when disabled by the output control.
3. Waveform– B is for an output with internal conditions such that the
output is high except when disabled by the output control.
4. The output are measured one at a time with one transition per measurement.
Rev.2.00 Jan 31, 2006 page 5 of 7
HD74HC257
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 Jan 31, 2006 page 6 of 7
8°
0.50
1
0.70
1.15
0.90
HD74HC257
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
e
1.27
x
0.25
y
0.15
0.635
Z
0.40
L
L
Rev.2.00 Jan 31, 2006 page 7 of 7
8°
1
0.60
1.08
1.27
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