HM63921JP-35 Datasheet PDF - ETC
| Part Number | HM63921JP-35 | |
| Description | 2048-word x 9-bit CMOS Parallel In-Out FIFO Memory | |
| Manufacturers | ETC | |
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HM63921 Series
2048-word × 9-bit CMOS Parallel In-Out FIFO Memory
The HM63921 is a first-in, first-out memory that
utilizes a high performance static RAM array with
internal algorithm that controls, monitors and
declares status of the memory by empty flag, full
flag and half-full flag, to prevent data overflow or
underflow.
Expansion logic warrants unlimited expansion
capability in width and depth. Both read and write
are independent from each other and their
corresponding pointers are designed to select the
proper locations out of the entire array serially
without address information to load or unload data.
Data is toggled in and out of the device through the
use of the write enable (W) and read enable (R)
pins. The device has a read/write cycle time of
30/35/45 ns. Organization of HM63921 provides a
9-bit data bus. The ninth bit could be used for
control or parity for error checking at the option of
the user. The HM63921 is fabricated using the
Hitachi CMOS 1.3 micron technology. The device
is available in DIP and SOJ.
Pin Arrangement
W1
D8 2
D3 3
D2 4
D1 5
D0 6
XI 7
FF 8
Q0 9
Q1 10
Q2 11
Q3 12
Q8 13
VSS 14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
(Top view)
VCC
D4
D5
D6
D7
FL/RT
RS
EF
XO/HF
Q7
Q6
Q5
Q4
R
Features
• First-in, first-out dual port memory
• 2 k × 9 organization
• Low-power CMOS 1.3 micron technology
• Asynchronous and simultaneous read and write
• Fully expandable in depth and/or width
• Single 5 V power supply
• Empty and full warning flags
• Half-full flag
• Access time: 22/25/35 ns
• Package: 300-mil 28-pin plastic DIP package
300-mil 28-pin plastic SOJ package
Ordering Information
Type name
Access time Package
–––––––––––––––––––––––––––––––––––––––––
HM63921P-20R 22 ns
300-mil 28-pin
–––––––––––––––––––––––––––– plastic DIP
HM63921P-25 25 ns
(DP-28NA)
––––––––––––––––––––––––––––
HM63921P-35 35 ns
–––––––––––––––––––––––––––––––––––––––––
HM63921JP-20R 22 ns
300-mil 28-pin
–––––––––––––––––––––––––––– plastic SOJ
HM63921JP-25 25 ns
(CP-28DN)
––––––––––––––––––––––––––––
HM63921JP-35 35 ns
–––––––––––––––––––––––––––––––––––––––––
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for HM63921JP-35 electronic component. |
| Information | Total 2 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ HM63921JP-35.PDF Datasheet ] | |
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Featured Datasheets
| Part Number | Description | MFRS |
| HM63921JP-35 | The function is 2048-word x 9-bit CMOS Parallel In-Out FIFO Memory. ETC | |
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