RENESAS HD74BC244AP

HD74BC244A
Octal Buffers/Line Drivers With 3 State Outputs
REJ03D0281–0300Z
(Previous ADE-205-007A (Z))
Rev.3.00
Jul.16.2004
Description
The HD74BC244A provides high drivability and operation equal to or better than high speed bipolar standard logic IC
by using Bi-CMOS process. The device features low power dissipation that is about 1/5 of high speed bipolar logic IC,
when the frequency is 10 MHz. The device has eight inverter drivers with three state outputs in a 20 pin package. This
device is a non inverting buffer and has two active low enables (1G and 2G). Each enable independently controls 4
buffers.
Features
• Input/Output are at high impedance state when power supply is off.
• Built in input pull up circuit can make input pins be open, when not used.
• TTL level input
• Wide operating temperature range
Ta = –40 to + 85°C
• Ordering Information
Part Name
HD74BC244AP
Package Type
DILP-20 pin
Package Code
DP-20N, -20NEV
Package
Abbreviation
P
Taping Abbreviation
(Quantity)
—
HD74BC244AFPEL
SOP-20 pin (JEITA) FP-20DAV
FP
EL (2,000 pcs/reel)
HD74BC244ATELL
TSSOP-20 pin
T
ELL (2,000 pcs/reel)
TTP-20DAV
Note: Please consults the sales office for the above package availability.
Function Table
Inputs
G
A
Output Y
H
X
Z
L
L
H
L
H
L
H
L
X
Z
:
:
:
:
High level
Low level
Immaterial
High impedance
Rev.3.00, Jul.16.2004, page 1 of 8
HD74BC244A
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)
Absolute Maximum Ratings
Item
Supply voltage
Input diode current
Input voltage
Output voltage
Off state output voltage
Symbol
VCC
Rating
–0.5 to +7.0
Unit
V
IIK
VIN
±30
–0.5 to +7.5
mA
V
VOUT
VOUT(off)
–0.5 to +7.5
–0.5 to +5.5
V
V
Storage temperature
Tstg
–65 to +150
°C
Note: 1. 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
VCC
4.5
5.0
5.5
V
Input voltage
Output voltage
VIN
VOUT
0
0
—
—
VCC
VCC
V
V
Operating temperature
Input rise/fall time*1
Topr
tr, tf
–40
0
—
—
85
8
°C
ns/V
Note:
Symbol
Min
Typ
1. This item guarantees maximum limit when one input switches.
Waveform: Refer to test circuit of switching characteristics.
Rev.3.00, Jul.16.2004, page 2 of 8
Max
Unit
HD74BC244A
Logic Diagram
1G
2G
1A1
1Y1
2Y4
2A4
1A2
1Y2
2Y3
2A3
1A3
1Y3
2Y2
2A2
1A4
1Y4
2Y1
2A1
Rev.3.00, Jul.16.2004, page 3 of 8
HD74BC244A
Electrical Characteristics (Ta = –40°C to +85°C)
Item
Symbol
Input voltage
VIH
VIL
Output voltage
VOH
Input diode voltage
Input current
VCC(V)
Min
Max
Unit
Test Conditions
2.0
—
—
0.8
V
V
4.5
4.5
2.4
2.0
—
—
V
V
IOH = –3 mA
IOH = –15 mA
VOL
4.5
4.5
—
—
0.5
0.55
V
V
IOL = 48 mA
IOL = 64 mA
VIK
II
4.5
5.5
—
—
–1.2
–250
V
µA
IIN = –18 mA
VIN = 0 V
5.5
5.5
—
—
1.0
100
µA
µA
VIN = 5.5 V
VIN = 7.0 V
Short circuit output current*1
Off state output current
IOS
IOZH
5.5
5.5
–100
—
–225
50
mA
µA
VIN = 0 or 5.5 V
VO = 2.7 V
Supply current
IOZL
ICCL
5.5
5.5
—
—
–50
29.5
µA
mA
VO = 0.5 V
VIN = 0 or 5.5 V
All outputs is “L”
ICCH
5.5
—
0.5
mA
ICCZ
5.5
—
2.5
mA
VIN = 0 or 5.5 V
All outputs is “H”
VIN = 0 or 5.5 V
All outputs is “Z”
ICCT*2
5.5
—
1.5
mA
VIN = 3.4 or 0.5 V
Notes : 1. Not more than one output should be shorted at a time and duration of the short circuit should not exceed one
second.
2. When input by the TTL level, it shows ICC increase at per one input pin.
Switching Test Method (CL = 50 pF)
Ta = 25°C
VCC = 5.0 V
Ta = –40 to 85°C
VCC = 5.0 V ±10%
Item
Propagation delay time
Symbol
Min
tPLH
3.0
Max
6.0
Min
3.0
Max
7.0
Unit
Test Conditions
ns
See under figure
Output enable time
tPHL
tZH
3.0
3.0
6.0
8.0
3.0
3.0
7.0
10.0
ns
Output disable time
tZL
tHZ
3.0
3.0
8.0
7.0
3.0
3.0
10.0
9.0
ns
3.0
7.0
3.0(Typ)
3.0
—
9.0
Input capacitanse
tLZ
CIN
Output capacitance
CO
15.0(Typ)
—
Rev.3.00, Jul.16.2004, page 4 of 8
pF
VIN = VCC or GND
pF
VO = VCC or GND
HD74BC244A
Test Circuit
VCC
VCC
Output
*3
Input
Pulse Generator
Zout = 50 Ω
See Function Table
G
1A1
500 Ω
1Y1
CL =
50 pF
1A2
50 Ω Scope
Output
1A3
1Y2
Same as above
load circuit
1Y3
Same as above
load circuit
1Y4
Same as above
load circuit
1A4
Notes:
1. CL includes probe and jig capacitance.
2. 2G, 2A1-2A4 to 2Y1-2Y4 are identical to above load circuit.
3. Open: tPLH, tPHL, tZH, tHZ
7 V: tZL, tLZ
Rev.3.00, Jul.16.2004, page 5 of 8
450 Ω
OPEN
7V
HD74BC244A
Waveforms-1
tf
tr
90%
1.5 V
Input A
3V
90%
1.5 V
10%
10%
t PLH
0V
t PHL
VOH
1.5 V
Output Y
1.5 V
VOL
Notes:
1. tr = 2.5 ns, tf = 2.5 ns
2. Input waveform: PRR =1 MHz, duty cycle 50%
Waveforms-2
tf
Input G
tr
90%
1.5 V
90%
1.5 V
10%
10%
3V
0V
t ZL
t LZ
3.5 V
1.5 V
Waveform–A
VOL + 0.3 V
t ZH
VOH – 0.3 V
Waveform–B
VOL
t HZ
VOH
1.5 V
0V
Notes:
1. tr = 2.5 ns, tf = 2.5 ns
2. Input waveform: PRR = 1 MHz, duty cycle 50%
3. Waveform-A shows input conditions such that the output is “L” level when enable by the
output control.
4. Waveform-B shows input conditions such that the output is “H” level when enable by the
output control.
Rev.3.00, Jul.16.2004, page 6 of 8
HD74BC244A
Package Dimensions
As of January, 2003
Unit: mm
24.50
25.40 Max
1
7.00 Max
11
6.30
20
10
2.54 ± 0.25
0.51 Min
1.27 Max
0.48 ± 0.10
2.54 Min 5.08 Max
1.30
0.89
7.62
+ 0.11
0.25 – 0.05
0˚ – 15˚
Package Code
JEDEC
JEITA
Mass (reference value)
DP-20N
—
Conforms
1.26 g
Unit: mm
24.50
25.40 Max
1
7.00 Max
11
6.30
20
10
1.30
2.54 ± 0.25
*0.48 ± 0.08
0.51 Min
1.27 Max
2.54 Min 5.08 Max
0.89
7.62
*0.25 ± 0.06
0˚ – 15˚
*NI/Pd/AU Plating
Rev.3.00, Jul.16.2004, page 7 of 8
Package Code
JEDEC
JEITA
Mass (reference value)
DP-20NEV
—
Conforms
1.26 g
HD74BC244A
As of January, 2003
Unit: mm
12.6
13 Max
11
1
10
5.5
20
*0.20 ± 0.05
2.20 Max
1.15
0˚ – 8 ˚
0.10 ± 0.10
0.80 Max
0.20
7.80 +– 0.30
1.27
*0.40 ± 0.06
0.70 ± 0.20
0.15
0.12 M
Package Code
JEDEC
JEITA
Mass (reference value)
*Ni/Pd/Au plating
FP-20DAV
—
Conforms
0.31 g
As of January, 2003
Unit: mm
6.50
6.80 Max
11
1
10
4.40
20
0.65
*0.20 ± 0.05
1.0
0.13 M
6.40 ± 0.20
*Ni/Pd/Au plating
Rev.3.00, Jul.16.2004, page 8 of 8
0.07 +0.03
–0.04
0.10
*0.15 ± 0.05
1.10 Max
0.65 Max
0˚ – 8˚
0.50 ± 0.10
Package Code
JEDEC
JEITA
Mass (reference value)
TTP-20DAV
—
—
0.07 g
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