RENESAS HD74HC251RPEL

HD74HC251
1 of 8 Data Selectors/Multiplexers (with 3-state outputs)
REJ03D0599–0200
(Previous ADE-205-476)
Rev.2.00
Jan 31, 2006
Description
This multiplexer features both true (Y) and complement (W) outputs as well as a strobe input. The strobe must be at a
low logic level to enable this device. When the strobe input is high, both outputs are in the high impedance state.
When enabled, address information on the data select inputs determine which data input is routed to the Y and W
outputs.
Features
•
•
•
•
•
•
High Speed Operation: tpd (A, B, C to Y) = 20 ns typ (CL = 50 pF)
High Output Current: Fanout of 10 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 Type
Package Code
(Previous Code)
Package
Abbreviation
Taping Abbreviation
(Quantity)
HD74HC251P
DILP-16 pin
PRDP0016AE-B
(DP-16FV)
P
—
HD74HC251FPEL
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.
HD74HC251RPEL
SOP-16 pin (JEDEC)
EL (2,500 pcs/reel)
Function Table
Inputs
Select
C
B
A
X
X
X
L
L
L
L
L
H
L
H
L
L
H
H
H
L
L
H
L
H
H
H
L
H
H
H
Notes: 1. H: high level, L: low level, X: irrelevant
2. Z; high impedance (off-state)
3. D0 through D7; the level of the respective D input.
Rev.2.00 Jan 31, 2006 page 1 of 8
Outputs
Strobe
S
H
L
L
L
L
L
L
L
L
Y
Z
D0
D1
D2
D3
D4
D5
D6
D7
W
Z
D0
D1
D2
D3
D4
D5
D6
D7
HD74HC251
Pin Arrangement
3
1
2
2
D2
1
3
0
16 VCC
D3
D4
15 4
D1
D5
14 5
4
D0
D6
13 6
Y
5
Y
D7
12 7
W
6
W
A
11 A
Strobe
7
S
B
10 B
GND
8
Data inputs
Data inputs
Outputs
C
9
(Top view)
Rev.2.00 Jan 31, 2006 page 2 of 8
C
Data select
HD74HC251
Logic Diagram
A
C
B
D0
D1
D2
Strobe
D3
VCC
D4
Y
D5
VCC
D6
W
D7
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
±25
±50
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.
Rev.2.00 Jan 31, 2006 page 3 of 8
HD74HC251
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
Output voltage
Symbol VCC (V)
Ta = 25°C
Typ Max
—
—
—
—
—
—
Ta = –40 to+85°C
Unit
Min
Max
1.5
—
V
3.15
—
4.2
—
VIH
2.0
4.5
6.0
Min
1.5
3.15
4.2
VIL
2.0
4.5
6.0
—
—
—
—
—
—
0.5
1.35
1.8
—
—
—
0.5
1.35
1.8
V
VOH
2.0
4.5
6.0
4.5
6.0
2.0
4.5
6.0
4.5
6.0
6.0
1.9
4.4
5.9
4.18
5.68
—
—
—
—
—
—
2.0
4.5
6.0
—
—
0.0
0.0
0.0
—
—
—
—
—
—
—
—
0.1
0.1
0.1
0.26
0.26
±0.5
1.9
4.4
5.9
4.13
5.63
—
—
—
—
—
—
—
—
—
—
—
0.1
0.1
0.1
0.33
0.33
±5.0
V
6.0
6.0
—
—
—
—
±0.1
4.0
—
—
±1.0
40
VOL
Off-state output
current
Input current
IOZ
Quiescent supply
current
ICC
Iin
Rev.2.00 Jan 31, 2006 page 4 of 8
V
Test Conditions
Vin = VIH or VIL IOH = –20 µA
Vin = VIH or VIL
IOH = –4 mA
IOH = –5.2 mA
IOL = 20 µA
IOL = 4 mA
IOL = 5.2 mA
µA Vin = VIH or VIL,
Vout = VCC or GND
µA Vin = VCC or GND
µA Vin = VCC or GND, Iout = 0 µA
HD74HC251
Switching Characteristics
(CL = 50 pF, Input tr = tf = 6 ns)
Item
Ta = 25°C
Min
Typ Max
—
—
205
—
20
41
—
—
35
—
—
205
—
20
41
—
—
35
—
—
195
—
17
39
—
—
33
—
—
185
—
17
37
—
—
31
—
—
150
—
11
30
—
—
26
—
—
145
Symbol VCC (V)
Propagation delay
time
tPLH
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
tPHL
tPLH
tPHL
Output enable time
tZH
tZL
tZH
tZL
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
—
tHZ
tLZ
Output disable
time
tHZ
tLZ
Output rise/fall
time
tTLH
tTHL
Input capacitance
Cin
—
—
—
—
—
—
—
—
—
—
—
—
11
—
—
12
—
—
12
—
—
5
—
5
29
25
220
44
37
195
39
33
75
15
13
10
Ta = –40 to +85°C
Unit
Test Conditions
Min
Max
—
255
ns A, B or C to Y
—
51
—
43
—
255
ns A, B or C to W
—
51
—
43
—
245
ns Data to Y
—
49
—
42
—
230
ns Data to W
—
46
—
39
—
190
ns strobe to W
RL = 1 kΩ
—
38
—
33
—
180
ns strobe to Y
RL = 1 kΩ
—
—
—
—
—
—
—
—
—
—
—
—
36
31
275
55
47
245
49
42
90
19
16
10
ns
strobe to W
RL = 1 kΩ
ns
strobe to Y
RL = 1 kΩ
ns
pF
Test Circuit
VCC
VCC
Output
Input
Pulse Generator
Zout = 50 Ω
See Function Table
S
1 kΩ
Y
OPEN
GND
D0 to D7
Output
A
B
CL =
50 pF
1 kΩ
W
C
Note : 1. CL includes probe and jig capacitance.
Rev.2.00 Jan 31, 2006 page 5 of 8
S1
VCC
S1
OPEN
GND
CL =
50 pF
VCC
TEST
t PLH / t PHL
S1
OPEN
t ZH/ t HZ
t ZL / t LZ
GND
VCC
HD74HC251
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 6 of 8
HD74HC251
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 7 of 8
8°
0.50
1
0.70
1.15
0.90
HD74HC251
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 8 of 8
8°
1
0.60
1.08
1.27
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