IDT71128S12Y Datasheet PDF - Integrated Device Technology
| Part Number | IDT71128S12Y | |
| Description | CMOS Static RAM 1 Meg (256K x 4-Bit) Revolutionary Pinout | |
| Manufacturers | Integrated Device Technology | |
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CMOS Static RAM
1 Meg (256K x 4-Bit)
Revolutionary Pinout
IDT71128
Features
x 256K x 4 advanced high-speed CMOS static RAM
x JEDEC revolutionary pinout (center power/GND) for
reduced noise.
x Equal access and cycle times
— Commercial and Industrial: 12/15/20ns
x One Chip Select plus one Output Enable pin
x Bidirectional inputs and outputs directly
TTL-compatible
x Low power consumption via chip deselect
x Available in a 32-pin 400 mil Plastic SOJ.
Functional Block Diagram
A0
Description
The IDT71128 is a 1,048,576-bit high-speed static RAM
organized as 256K x 4. It is fabricated using IDT’s high-perfor-
mance, high-reliability CMOS technology. This state-of-the-art
technology, combined with innovative circuit design techniques,
provides a cost-effective solution for high-speed memory needs.
The JEDEC centerpower/GND pinout reduces noise generation
and improves system performance.
The IDT71128 has an output enable pin which operates as fast
as 6ns, with address access times as fast as 12ns available. All
bidirectional inputs and outputs of the IDT71128 are TTL-compat-
ible and operation is from a single 5V supply. Fully static asyn-
chronous circuitry is used; no clocks or refreshes are required for
operation.
The IDT71128 is packaged in a 32-pin 400 mil Plastic SOJ.
ADDRESS
DECODER
A17
4
I/O0 - I/O3
4
1,048,576-BIT
MEMORY
ARRAY
I/O CONTROL
.
CS
WE
OE
CONTROL
LOGIC
©2000 Integrated Device Technology, Inc.
1
3483 drw 01
FEBRUARY 2001
DSC-3483/09
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IDT 71128 CMOS Static RAM
1 Meg (256K x 4-bit) Revolutionary Pinout
Timing Waveform of Read Cycle No. 1(1)
ADDRESS
OE
CS
DATAOUT
tRC
tAA
tOE
tOLZ (5)
tCLZ (5)
tACS (3)
HIGH IMPEDANCE
VCC SUPPLY ICC
CURRENT ISB
tPU
Commercial and Industrial Temperature Ranges
tOHZ (5)
tCHZ (5)
DATAOUT VALID
tPD
3483 drw 05
Timing Waveform of Read Cycle No. 2 (1, 2, 4)
ADDRESS
DATAOUT
tRC
tOH
PREVIOUS DATAOUT VALID
tAA
tOH
DATAOUT VALID
NOTES:
1. WE is HIGH for Read Cycle.
2. Device is continuously selected,CS is LOW.
3. Address must be valid prior to or coincident with the later of CS transition LOW; otherwise tAA is the limiting parameter.
4. OE isLOW.
5. Transition is measured ±200mV from steady state.
3483 drw 06
6.452
Preview 5 Page |
Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for IDT71128S12Y electronic component. |
| Information | Total 8 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ IDT71128S12Y.PDF Datasheet ] | |
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Featured Datasheets
| Part Number | Description | MFRS |
| IDT71128S12Y | The function is CMOS Static RAM 1 Meg (256K x 4-Bit) Revolutionary Pinout. Integrated Device Technology | |
| IDT71128S12YI | The function is CMOS Static RAM 1 Meg (256K x 4-Bit) Revolutionary Pinout. Integrated Device Technology | |
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