|
|
Número de pieza | HB56D136BW | |
Descripción | High Density Dynamic RAM Module | |
Fabricantes | Hitachi Semiconductor | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de HB56D136BW (archivo pdf) en la parte inferior de esta página. Total 10 Páginas | ||
No Preview Available ! HB56D136 Series
1,048,576-word × 36-bit High Density Dynamic RAM Module
ADE-203-209A (Z)
Rev 1.0
Sept. 20, 1994
Description
The HB56D136 is a 1-M × 36-bit dynamic RAM module, mounted 8 pieces of 4 Mbit DRAM
(HM514400CS/CLS) sealed in SOJ package and 2 pieces of 2 Mbit DRAM (HM512200BS/BLS) sealed in
SOJ package. An outline of the HB56D136 is 72-pin single in-line package.
Therefore, the HB56D136 makes high density mounting possible without surface mount technology. The
HB56D136 provides common data inputs and outputs. Decoupling capacitors are mounted beneath each SOJ.
Features
• 72-pin
— Lead pitch: 1.27 mm
• Single 5 V (±5%) supply
• High speed
— Access time: 60 ns/70 ns/80 ns (max)
• Low power dissipation
— Active mode: 5.46 W/4.94 W/4.41 W (max)
— Standby mode: 105 mW (max)
5.25 mW (max) (L-version)
• Fast page mode capability
• 1,024 refresh cycle: 16 ms
128 ms (L-version)
• 3 variations of refresh
— RAS only refresh
— CAS-before-RAS refresh
— Hidden refresh
• TTL compatible
1 page Block Diagram
HB56D136 Series
RAS0
CAS0
DQ0
– DQ3
DQ4
– DQ7
4
4
DQ8
DQ17
DQ9
4
– DQ12
4
DQ13
– DQ16
RAS2
CAS2
DQ18
– DQ21
DQ22
– DQ25
4
4
DQ26
DQ35
DQ27
4
– DQ30
4
DQ31
– DQ34
CAS RAS OE
I/O1 D0
–I/O4
CAS RAS OE
I/O1 D1
–I/O4
CAS1 RAS OE
I/O1
I/O2
M0
CAS2
OE RAS CAS
I/O1 D2
–I/O4
OE RAS CAS
I/O0 D3
–I/O4
CAS RAS OE
I/O1 D4
–I/O4
CAS RAS OE
I/O1 D5
–I/O4
CAS1 RAS OE
I/O1
I/O2
M1
CAS2
OE RAS CAS
I/O1 D6
–I/O4
OE RAS CAS
I/O0 D7
–I/O4
CAS1
CAS3
A0 to A9
WE
VCC
VSS
D0 – D7, M0 – M1
D0 – D7, M0 – M1
D0 – D7, M0 – M1
C0 – C9
D0 – D7, M0 – M1
Note : D0 – D7 : HM514400
M0 – M1 : HM512200
5
5 Page |
Páginas | Total 10 Páginas | |
PDF Descargar | [ Datasheet HB56D136BW.PDF ] |
Número de pieza | Descripción | Fabricantes |
HB56D136BW | High Density Dynamic RAM Module | 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 |