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PDF HD74ACT138 Data sheet ( Hoja de datos )
| Número de pieza | HD74ACT138 | |
| Descripción | 1-of-8 Decoder/Demultiplexer | |
| Fabricantes | Renesas | |
| Logotipo |  |
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HD74AC138/HD74ACT138
1-of-8 Decoder/Demultiplexer
REJ03D0248–0200Z
(Previous ADE-205-368 (Z))
Rev.2.00
Jul.16.2004
Description
The HD74AC138/HD74ACT138 is a high-speed 1-of-8 decoder/demultiplexer. This device is ideally suited for high-
speed bipolar memory chip select address decoding. The multiple input enables allow parallel expansion to a 1-of-24
decoder using just three HD74AC138/HD74ACT138 devices or a 1-of-32 decoder using four
HD74AC138/HD74ACT138 devices and one inverter.
Features
• Demultiplexing Capability
• Multiple Input Enable for Easy Expansion
• Active LOW Mutually Exclusive Outputs
• Outputs Source/Sink 24 mA
• HD74ACT138 has TTL-Compatible Inputs
• Ordering Information: Ex. HD74AC138
Part Name
Package Type Package Code Package Abbreviation Taping Abbreviation (Quantity)
HD74AC138AP DIP-16 pin
DP-16E, -16FV P
—
HD74AC138AFPEL SOP-16 pin (JEITA) FP-16DAV
FP
EL (2,000 pcs/reel)
HD74AC138ARPEL SOP-16 pin (JEDEC) FP-16DNV
RP
EL (2,500 pcs/reel)
HD74AC138TELL TSSOP-16 pin
TTP-16DAV
T
ELL(2,000 pcs/reel)
Notes: 1. Please consult the sales office for the above package availability.
2. The packages with lead-free pins are distinguished from the conventional products by adding V at the end of
the package code.
Pin Arrangement
A0 1
A1 2
A2 3
E1 4
E2 5
E3 6
O7 7
GND 8
(Top view)
16 VCC
15 O0
14 O1
13 O2
12 O3
11 O4
10 O5
9 O6
Rev.2.00, Jul.16.2004, page 1 of 9
1 page  
HD74AC138/HD74ACT138
DC Characteristics: HD74ACT138
Item
Sym- VCC
bol (V)
Ta = 25°C
min. typ. max.
Input voltage
VIH 4.5 2.0 1.5 —
5.5 2.0 1.5 —
VIL 4.5 —
5.5 —
1.5 0.8
1.5 0.8
Output voltage
VOH 4.5 4.4 4.49 —
5.5 5.4 5.49 —
4.5 3.94 —
—
5.5 4.94 —
—
VOL 4.5 —
5.5 —
0.001 0.1
0.001 0.1
4.5 —
— 0.32
5.5 —
— 0.32
Input current
ICC/input current
Dynamic output
current*
Quiescent supply
current
IIN 5.5
ICCT 5.5
IOLD 5.5
IOHD
5.5
ICC 5.5
—
—
—
—
—
— ±0.1
0.6 —
——
——
— 8.0
*Maximum test duration 2.0 ms, one output loaded at a time.
Ta = –40 to
+85°C
min. max.
2.0 —
2.0 —
— 0.8
— 0.8
4.4 —
5.4 —
3.80 —
4.80 —
— 0.1
— 0.1
— 0.37
— 0.37
— ±1.0
— 1.5
86 —
–75 —
— 80
Unit Condition
V VOUT = 0.1 V or Vcc–0.1 V
VOUT = 0.1 V or Vcc–0.1 V
V VIN = VIL or VIH
IOUT = –50 µA
VIN = VIL
IOH = –24 mA
VIN = VIL or VIH
IOUT = 50 µA
IOH = –24 mA
VIN = VIL
IOL = 24 mA
IOL = 24 mA
µA VIN = VCC or GND
mA VIN = VCC–2.1 V
mA VOLD = 1.1 V
mA VOHD = 3.85 V
µA VIN = VCC or ground
AC Characteristics: HD74AC138
Item
Symbol VCC (V)*1
Propagation delay tPLH 3.3
An to On
5.0
Propagation delay tPHL 3.3
An to On
5.0
Propagation delay tPLH 3.3
E1 or E 2 to On
5.0
Propagation delay tPHL 3.3
E1 or E 2 to On
5.0
Propagation delay tPLH 3.3
E3 to On
5.0
Propagation delay tPHL 3.3
E3 to On
5.0
Note: 1. Voltage Range 3.3 is 3.3 V ± 0.3 V
Voltage Range 5.0 is 5.0 V ± 0.5 V
Ta = +25°C
CL = 50 pF
Min Typ Max
1.0 8.5 13.0
1.0 6.5 9.5
1.0 8.0 12.5
1.0 6.0 9.0
1.0 11.0 15.0
1.0 8.0 11.0
1.0 9.5 13.5
1.0 7.0 9.5
1.0 11.0 15.5
1.0 8.0 11.0
1.0 8.5 13.0
1.0 6.0 8.0
Ta = –40°C to +85°C
CL = 50 pF
Min Max
1.0 15.0
1.0 10.5
1.0 14.0
1.0 10.5
1.0 16.0
1.0 12.0
1.0 15.0
1.0 10.5
1.0 16.5
1.0 12.5
1.0 14.0
1.0 9.5
ns
ns
ns
ns
ns
ns
Unit
Rev.2.00, Jul.16.2004, page 5 of 9
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet HD74ACT138.PDF ] | |
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