|
|
Número de pieza | HD74ALVCH16244 | |
Descripción | 16-bit Buffers / Drivers with 3-state Outputs | |
Fabricantes | Hitachi Semiconductor | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de HD74ALVCH16244 (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
No Preview Available ! HD74ALVCH16244
16-bit Buffers / Drivers with 3-state Outputs
ADE-205-133C (Z)
4th. Edition
December 1999
Description
The HD74ALVCH16244 is designed specifically to improve both the performance and density of three
state memory address drivers, clock drivers, and bus oriented receivers and transmitters. The device can be
used as four 4-bit buffers, two 8-bit buffers, or one 16-bit buffer. It provides true outputs and symmetrical
OE (active-low output-enable) 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
OE
L
L
H
H : High level
L : Low level
X : Immaterial
Z : High impedance
A
H
L
X
Output Y
H
L
Z
1 page HD74ALVCH16244
Electrical Characteristics (Ta = –40 to 85°C)
Item
Input voltage
Symbol VCC (V) *1
VIH 2.3 to 2.7
2.7 to 3.6
Min
1.7
2.0
Max Unit Test Conditions
—V
—
VIL 2.3 to 2.7 —
2.7 to 3.6 —
0.7
0.8
Output voltage
VOH Min to Max VCC–0.2 —
V IOH = –100 µA
2.3 2.0 —
IOH = –6 mA, VIH = 1.7 V
2.3 1.7 —
IOH = –12 mA, VIH = 1.7 V
2.7 2.2 —
IOH = –12 mA, VIH = 2.0 V
3.0 2.4 —
IOH = –12 mA, VIH = 2.0 V
3.0 2.0 —
IOH = –24 mA, VIH = 2.0 V
VOL Min to Max —
0.2
IOL = 100 µA
2.3 — 0.4
IOL = 6 mA, VIL = 0.7 V
2.3 — 0.7
IOL = 12 mA, VIL = 0.7 V
2.7 — 0.4
IOL = 12 mA, VIL = 0.8 V
3.0 — 0.55
IOL = 24 mA, VIL = 0.8 V
Input current
IIN 3.6
— ±5 µA VIN = VCC or GND
IIN (hold) 2.3
45 —
VIN = 0.7 V
2.3 –45 —
VIN = 1.7 V
3.0 75 —
VIN = 0.8 V
3.0 –75 —
VIN = 2.0 V
3.6 — ±500
VIN = 0 to 3.6 V
Off state output current *2 IOZ
3.6
— ±10 µA VOUT = VCC or GND
Quiescent supply current ICC
3.6
— 40 µA VIN = VCC or GND
∆ICC 3.0 to 3.6 —
750 µA VIN = one input at (VCC–0.6)
V,
other inputs at VCC or GND
Notes: 1. For conditions shown as Min or Max, use the appropriate values under recommended operating
conditions.
2. For I/O ports, the parameter IOZ includes the input leakage current.
5
5 Page |
Páginas | Total 9 Páginas | |
PDF Descargar | [ Datasheet HD74ALVCH16244.PDF ] |
Número de pieza | Descripción | Fabricantes |
HD74ALVCH16244 | 16-bit Buffers / Drivers with 3-state Outputs | Hitachi Semiconductor |
HD74ALVCH16245 | 16-bit Bus Transceivers with 3-state Outputs | Hitachi Semiconductor |
Número de pieza | Descripción | Fabricantes |
SLA6805M | High Voltage 3 phase Motor Driver IC. |
Sanken |
SDC1742 | 12- and 14-Bit Hybrid Synchro / Resolver-to-Digital Converters. |
Analog Devices |
DataSheet.es es una pagina web que funciona como un repositorio de manuales o hoja de datos de muchos de los productos más populares, |
DataSheet.es | 2020 | Privacy Policy | Contacto | Buscar |