UPB406-2 Datasheet PDF - NEC
| Part Number | UPB406-2 | |
| Description | 4K-BIT BIPOLAR TTL PROGRAMMABLE READ ONLY MEMORY | |
| Manufacturers | NEC | |
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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
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for UPB406-2 electronic component. |
| Information | Total 4 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ UPB406-2.PDF Datasheet ] | |
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Featured Datasheets
| Part Number | Description | MFRS |
| UPB406-1 | The function is 4K-BIT BIPOLAR TTL PROGRAMMABLE READ ONLY MEMORY. NEC | |
| UPB406-2 | The function is 4K-BIT BIPOLAR TTL PROGRAMMABLE READ ONLY MEMORY. NEC | |
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