UM2366 Datasheet PDF - UMC
Part Number | UM2366 | |
Description | 8K x 8 NMOS ROM | |
Manufacturers | UMC | |
Logo | ||
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=============UM2366/UM2366A
BK x B NMOS ROM
Features
• 2765 EPROM pin compatible
• 8192 x 8 bit organization
• Single + 5 volt supply
• Access time - 200/300/450 ns (max)
• Totally static operation
• Completely TT L compatible
• 28 Pin JEDEC approved pinout
• UM2366A automatic power down (CE)
output enable function (OE)
two programmable chip selects (CS)
• UM2366
non power down version
- four programmable chip sel~cts (CS)
• Three state outputs for wire-or expansion
• EPROMs accepted as program data input
Description
The UM2366 and UM2366A high performance Read Only
Memories are organized 8192 words by 8 bits with access
times from 200 ns to 450 ns. The ROMs are designed to be .
compatible with all microprocessor and similar applications
where high performance, large bit storage and simple inter-
facing are important design considerations. Both ROMs
conform to the JEDEC approved pinout for 28 pin 64K
ROMs.
The UM2366 offers the simplest operation (no power
down.) Its four programmable chip selects allow up to
sixteen 64K ROMs to be OR-tied without external decod-
ing.
The UM2366A offers an automatic power down feature.
Pin Configuration
Power down is controlled by the Chip Enable (CE) input.
When CE goes high, the device will automatically power
down and remain in a low power standby mode as long as
CE remains high. This unique feature provides system level
power savings as much as 90%. An additional feature of the
UM2366A is the Output Enable (OE) function. This
eliminates bus contention in multiple bus microprocessor
systems. The two programmable Chip Selects (CS) allow
up to four 64K ROMs to be OR-tied without external
decoding.
Both the UM2366 and UM2~66A are pin compatible with
the 2764 EPROM thus eliminating the need to redesign
printed circuit boards for volume mask programmed ROMs
after prototyping with EPROMs.
Block Diagram
Ne
A12
A7
A6
As
A4
A3
A2
Al
Ao
01
02
03
GND
vee
eSl*
eS2*
As
A9
Au
CS3*
AlO
eS4*
Os
07
06
°s
04
Ne
A12
A7
11.6
As
A4
A3
A2
Al
01
°2
03
GND
Vee
eSl*
eS2*
As
A9
All
OE
AlO
eE
Os
°7
06
°s
°4
65,536 BIT
ROM ARRAY
1256 x 256)
~~~:~S~~~~.TS cs ARE PROGRAMMABLE LOW ACTIVE, HJG~ ACTIVE OR
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for UM2366 electronic component. |
Information | Total 3 Pages | |
Link URL | [ Copy URL to Clipboard ] | |
Download | [ UM2366.PDF Datasheet ] |
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Featured Datasheets
Part Number | Description | MFRS |
UM2364 | The function is 8K x 8 NMOS ROM. UMC | |
UM2364A | The function is 8K x 8 NMOS ROM. UMC | |
UM2366 | The function is 8K x 8 NMOS ROM. UMC | |
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