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Teilenummer | WS57LV291C-70 |
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Beschreibung | HIGH SPEED 3.3 VOLT 2K x 8 CMOS PROM/RPROM | |
Hersteller | STMicroelectronics | |
Logo | ||
Gesamt 6 Seiten WS57LV291C
PRELIMINARY
HIGH SPEED 3.3 VOLT 2K x 8 CMOS PROM/RPROM
• 3.3 Volt ± 0.3 Volt VCC
• Fast Access Time
— tACC = 70 ns
— tCS = 20 ns
• Low Power Consumption
— ≤ 25 mA ICC
KEY FEATURES
• Available in 300 Mil "Skinny" DIP
• Immune to Latch-up
— Up to 200 mA
• ESD Protection Exceeds 2000V
GENERAL DESCRIPTION
The WS57LV291C is a High Performance 2K x 8 UV Erasable Re-Programmable Read Only Memory (RPROM).
This RPROM is manufactured using an advanced CMOS EPROM manufacturing process resulting in a very low
power die that affords exceptional speed capabilities with a 3.3 volt VCC supply. The WS57LV291C
is configured in the standard Bipolar PROM pinouts, the preferred and most common pinout for high speed PROMs
of 16K density.
Operating at 3.3 volts, the WS57LV291C dissipates a maximum of 25 mA under worst case conditions at maximum
speed (70 ns TAA). Typical ICC at 25°C is less than 20 milliamps.
The WS57LV291C is packaged in a space saving 300 mil windowed, hermetic DIP package.
BLOCK DIAGRAM
6
A5 - A10
ROW
ADDRESSES
ROW
DECODER
EPROM ARRAY
16,384 BITS
5
A0 - A4
COLUMN
ADDRESSES
CS1/ VPP
CS2
CS3
COLUMN
DECODER
SENSE
AMPLIFIERS
8
OUTPUTS
PRODUCT SELECTION GUIDE
PARAMETER
Address Access Time (Max)
CS to Output Valid Time (Max)
Return to Main Menu
PIN CONFIGURATION
TOP VIEW
CERDIP
A7
A6
A5
A4
A3
A2
A1
A0
O0
O1
O2
GND
1
2
3
4
5
6
7
8
9
10
11
12
24 VCC
23 A8
22 A9
21 A10
20 CS1/VPP
19 CS2
18 CS3
17 O7
16 O6
15 O5
14 O4
13 O3
WS57LV291C-70
70 ns
20 ns
WS57LV291C-90
90 ns
30 ns
2-15
WS57LV291C
ORDERING INFORMATION
PART NUMBER
SPEED
(ns)
PACKAGE
TYPE
PACKAGE
DRAWING
OPERATING
TEMPERATURE
RANGE
WSI
MANUFACTURING
PROCEDURE
WS57LV291C-70T
70 24 Pin CERDIP, 0.3"
T1
Comm’l
Standard
WS57LV291C-90T
90 24 Pin CERDIP, 0.3"
T1
Comm’l
Standard
NOTE: 8. The actual part marking will not include the initials "WS."
PROGRAMMING/ALGORITHMS/ERASURE/PROGRAMMERS
REFER TO
PAGE 5-1
The WS57LV291C is programmed using Algorithm D shown on page 5-9.
Return to Main Menu
2-20
6 Page | ||
Seiten | Gesamt 6 Seiten | |
PDF Download | [ WS57LV291C-70 Schematic.PDF ] |
Teilenummer | Beschreibung | Hersteller |
WS57LV291C-70 | HIGH SPEED 3.3 VOLT 2K x 8 CMOS PROM/RPROM | STMicroelectronics |
WS57LV291C-70T | HIGH SPEED 3.3 VOLT 2K x 8 CMOS PROM/RPROM | STMicroelectronics |
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www.Datenblatt-PDF.com | 2020 | Kontakt | Suche |