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HD74LVCZ240AのメーカーはHitachi Semiconductorです、この部品の機能は「Octal Buffers / Line Drivers with 3-state Outputs」です。 |
部品番号 | HD74LVCZ240A |
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部品説明 | Octal Buffers / Line Drivers with 3-state Outputs | ||
メーカ | Hitachi Semiconductor | ||
ロゴ | |||
このページの下部にプレビューとHD74LVCZ240Aダウンロード(pdfファイル)リンクがあります。 Total 11 pages
HD74LVCZ240A
Octal Buffers / Line Drivers with 3–state Outputs
ADE-205-229A (Z)
2nd. Edition
February 1999
Description
The HD74LVCZ240A has eight inverter drivers with three state outputs in a 20 pin package. This device is
a inverting buffer and has two active low enables (1G and 2G). Each enable independently controls four
buffers.
When VCC is between 0 and 1.5 V, the device is in the high impedance state during power up or power
down.
Low voltage and high speed operation is suitable at battery drive product (note type personal computer) and
low power consumption extends the life of a battery for long time operation.
Features
• VCC = 2.7 to 5.5 V
• All inputs VIH (Max) = 5.5 V (@VCC = 0 to 5.5 V)
• All outputs VO (Max) = 5.5 V (@VCC = 0 V or output off state)
• Typical VOL ground bounce < 0.8 V (@VCC = 3.3 V, Ta = 25°C)
• Typical VOH undershoot > 2.0 V (@VCC = 3.3 V, Ta = 25°C)
• High impedance state during power up and power down
• Power off disables outputs, permitting live insertion
• High output current ±24 mA (@VCC = 3.0 to 5.5 V)
1 Page HD74LVCZ240A
Absolute Maximum Ratings
Item
Symbol
Ratings
Unit Conditions
Supply voltage
Input voltage
Output voltage
Input diode current
Output diode current
Output current
VCC, GND current
Storage temperature
VCC
VI
VO
I IK
I OK
IO
ICC or IGND
Tstg
–0.5 to 7.0
–0.5 to 7.0
–0.5 to 7.0
–0.5 to VCC+0.5
–50
–50
±50
±100
–65 to 150
V
V
V Output “Z” or VCC : OFF
Output “H” or “L”
mA VI < 0
mA VO < 0
mA
mA
°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 voltage
Output voltage
Symbol
VCC
VI
VO
Output current
I OH
I OL
Input rise / fall time
Operating temperature
Note: 1. Duty cycle ≤ 50%
tr, tf
Ta
Ratings
2.7 to 5.5
0 to 5.5
0 to 5.5
0 to VCC
–12
–24 *1
12
24 *1
0 to 6
–40 to +85
Unit Conditions
V At operation
V
V Output “Z” or VCC : OFF
Output “H” or “L”
mA VCC = 2.7 V
VCC = 3.0 to 5.5 V
VCC = 2.7 V
VCC = 3.0 to 5.5 V
ns / V
°C
3
3Pages HD74LVCZ240A
Switching Characteristics (Ta = –40 to 85°C)
Item
Symbol VCC (V) Min
Typ
Propagation delay time
t PLH
t PHL
2.7 —
3.3±0.3 1.3
5.0±0.5 —
—
—
—
Output enable time
tZH 2.7 — —
t ZL
3.3±0.3 1.1
—
5.0±0.5 —
—
Output disable time
tHZ 2.7 — —
t LZ
3.3±0.3 1.4
—
5.0±0.5 —
—
Between output pin skew *1 tOSLH
t OSHL
2.7 —
3.3±0.3 —
5.0±0.5 —
—
—
—
Note : 1. This parameter is characterized but not tested.
tOSLH = |tPLHm–tPLHn|, tOSHL = |tPHLm–tPHLn|
Max Unit FROM TO
(Input) (Output)
7.5 ns A
Y
6.5
5.0
9.0 ns G
Y
8.0
6.5
8.0 ns G
Y
7.0
6.0
— ns
1.0
1.0
Test Circuit
VCC
Input
Pulse generator
Zout = 50 Ω
VCC
1G, 2G
Output
1Y1 to 2Y4
1A1 to 2A4
C L=
50 pF
500 Ω S1
450 Ω
50 Ω Scope
OPEN
*1 See
under table
GND
Symbol
tPLH / t PHL
tZH/ t HZ
tZL / t LZ
S1
Vcc=2.7V,
3.3±0.3V
Vcc=5.0±0.5V
OPEN
OPEN
GND
6V
GND
2×VCC
Note: 1. CL includes probe and jig capacitance.
6
6 Page | |||
ページ | 合計 : 11 ページ | ||
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部品番号 | 部品説明 | メーカ |
HD74LVCZ240A | Octal Buffers / Line Drivers with 3-state Outputs | Hitachi Semiconductor |