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PDF UPB406 Data sheet ( Hoja de datos )
| Número de pieza | UPB406 | |
| Descripción | 4K-BIT BIPOLAR TTL PROGRAMMABLE READ ONLY MEMORY | |
| Fabricantes | NEC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de UPB406 (archivo pdf) en la parte inferior de esta página. Total 4 Páginas | ||
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NEe Microcomputers, Inc.
4098-BIT BIPOLAR TTL
PROGRAMMABLE
READ ONLY MEMORY
NEe
JLPB406 JLPB426
JLPB406-1 JLPB426-1
JL PB406-2 JL PB426-2
DESCRIPTION
The IlPB406 and IlPB426 are high-speed, electrically programmable, fully-decoded
4096-bit TTL read-only memories. On-chip address decoding, two chip·enable inputs
and open-collector/three-state outputs allow easy expansion of memory capacity. The
IlPB406 and IlPB426 are fabricated with logic level zero (low); logic level one (high)
can be electrically programmed into the selected bit locations. The same address
inputs are used for both programming and reading.
FEATURES
• 1024 WORD X 4 BIT Organization (Fully Decoded)
• TTL Interface
• Fast Read Access Time: 50 ns max. (IlPB406-2, IlPB426·2)
• Medium Power Consumption: 500 mW TYP.
• Two Chip Select Inputs for Memory Expansion
• Open-Collector Output (IlPB406)/Three-State Outputs
(Il PB426)
• Ceramic and Plastic lS-Lead Dual In-Line Packages
• Fast Programming Time: 200 Ils/bit TYP.
• Compatibility with: HPROM HM-7642/7643 type and Equivalent Devices
(as a ROM)
• A.i.M. (Avalanche Induced Migration) Technology
PIN CONFIGURATION A6
A5
A4
A3
AO
Al
A2
CSl
GND
VCC
A7
AS
Ag
01
02
03
04
CS2
PIN I\lAMES
AO-Ag
Address Inputs
01-0 4
Data Outputs
CS1, CS2
Chip Selects
VCC
Power (+5V)
GND
Ground
Rev/l
133
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet UPB406.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| UPB406 | 4K-BIT BIPOLAR TTL PROGRAMMABLE READ ONLY MEMORY | NEC |
| UPB406-1 | 4K-BIT BIPOLAR TTL PROGRAMMABLE READ ONLY MEMORY | NEC |
| UPB406-2 | 4K-BIT BIPOLAR TTL PROGRAMMABLE READ ONLY MEMORY | NEC |
| UPB406C | 4K-Bit Bipolar TTL Programmable ROM | NEC |
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