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HD74ALVCH16373 の電気的特性と機能

HD74ALVCH16373のメーカーはHitachi Semiconductorです、この部品の機能は「16-bit Transparent D-type Latches with 3-state Outputs」です。


製品の詳細 ( Datasheet PDF )

部品番号 HD74ALVCH16373
部品説明 16-bit Transparent D-type Latches with 3-state Outputs
メーカ Hitachi Semiconductor
ロゴ Hitachi Semiconductor ロゴ 




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HD74ALVCH16373 Datasheet, HD74ALVCH16373 PDF,ピン配置, 機能
HD74ALVCH16373
16-bit Transparent D-type Latches with 3-state Outputs
ADE-205-138A (Z)
2nd. Edition
December 1999
Description
The HD74ALVCH16373 is particularly suitable for implementing buffer registers, I/O ports, bidirectional
bus drivers, and working registers. It can be used as two 8-bit latches or one 16-bit latch. When the latch
enable (LE) input is high, the Q outputs follow the data (D) inputs. When LE is taken low, the Q outputs
are latched at the levels set up at the D inputs. Active bus hold circuitry is provided to hold unused or
floating data inputs at a valid logic level.
Features
VCC = 2.3 V to 3.6 V
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)
Bus hold on data inputs eliminates the need for external pullup / pulldown resistors
Function Table
Inputs
Output Q
OE LE D
L HH
H
L HL
L
L LX
HXX
Q0 *1
Z
H : High level
L : Low level
X : Immaterial
Z : High impedance
Note: 1. Output level before the indicated steady state input conditions were established.

1 Page





HD74ALVCH16373 pdf, ピン配列
HD74ALVCH16373
Absolute Maximum Ratings
Item
Symbol
Ratings
Unit Conditions
Supply voltage
Input voltage *1
Output voltage *1, 2
Input clamp current
Output clamp current
Continuous output current
VCC, GND current / pin
Maximum power dissipation
at Ta = 55°C (in still air) *3
VCC
VI
VO
I IK
I OK
IO
ICC or IGND
PT
–0.5 to 4.6
–0.5 to 4.6
–0.5 to VCC +0.5
–50
±50
±50
±100
0.85
V
V
V
mA VI < 0
mA VO < 0 or VO > VCC
mA VO = 0 to VCC
mA
W TSSOP
Storage temperature
Tstg
–65 to 150
°C
Notes:
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage
to the device. These are stress ratings only, and functional operation of the device at these or
any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute maximum rated conditions for extended periods may affect device
reliability.
1. The input and output negative voltage ratings may be exceeded if the input and output clamp
current ratings are observed.
2. This value is limited to 4.6 V maximum.
3. The maximum package power dissipation is calculated using a junction temperature of 150°C
and a board trace length of 750 mils.
Recommended Operating Conditions
Item
Symbol
Min
Max Unit Conditions
Supply voltage
Input voltage
Output voltage
High level output current
VCC
VI
VO
I OH
Low level output current
I OL
Input transition rise or fall rate t / v
2.3
0
0
0
3.6 V
VCC V
VCC V
–12 mA VCC = 2.3 V
–12 VCC = 2.7 V
–24 VCC = 3.0 V
12 mA VCC = 2.3 V
12 VCC = 2.7 V
24 VCC = 3.0 V
10 ns / V
Operating temperature
Ta
–40 85
°C
Note: Unused control inputs must be held high or low to prevent them from floating.
3


3Pages


HD74ALVCH16373 電子部品, 半導体
HD74ALVCH16373
Switching Characteristics (Ta = –40 to 85°C)
Item
Symbol VCC (V) Min
Typ
Propagation delay time
t PLH
t PHL
Output enable time
Output disable time
Setup time
t ZH
t ZL
t HZ
t LZ
t su
Hold time
th
Pulse width
tw
Input capacitance
Output capacitance
CIN
CO
2.5±0.2 1.0
2.7 —
3.3±0.3 1.1
2.5±0.2 1.0
2.7 —
3.3±0.3 1.0
2.5±0.2 1.0
2.7 —
3.3±0.3 1.0
2.5±0.2 1.9
2.7 —
3.3±0.3 1.4
2.5±0.2 1.0
2.7 1.0
3.3±0.3 1.1
2.5±0.2 1.5
2.7 1.7
3.3±0.3 1.4
2.5±0.2 3.3
2.7 3.3
3.3±0.3 3.3
3.3 —
3.3 —
3.3 —
3.0
6.0
7.0
Max Unit FROM TO
(Input) (Output)
4.5 ns D
Q
4.3
3.6
4.9 LE Q
4.6
3.9
6.0 ns OE
Q
5.7
4.7
5.1 ns OE
Q
4.5
4.1
— ns
— ns
— ns
— pF Control inputs
— Data inputs
— pF Outputs
6

6 Page



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共有リンク

Link :


部品番号部品説明メーカ
HD74ALVCH16373

16-bit Transparent D-type Latches with 3-state Outputs

Hitachi Semiconductor
Hitachi Semiconductor
HD74ALVCH16374

16-bit D-type Flip Flops with 3-state Outputs

Hitachi Semiconductor
Hitachi Semiconductor


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