Datenblatt-pdf.com


EN27LV020B Schematic ( PDF Datasheet ) - EON

Teilenummer EN27LV020B
Beschreibung 2Megabit Low Voltage EPROM
Hersteller EON
Logo EON Logo 




Gesamt 13 Seiten
EN27LV020B Datasheet, Funktion
EN27LV020 / EN27LV020B
EN27LV020 / EN27LV020B 2Megabit Low Voltage EPROM (256K x 8)
FEATURES
Read Access Time:
-90ns, -120ns, -150ns, -200ns
Single +3.3V Power Supply
-Regulated power supply 3.0V - 3.6V
(EN27LV020)
-Unregulated power supply 2.7V - 3.6V
(EN27LV020B for battery operated systems)
Programming Voltage +12.75V
QuikRiteTM Programming Algorithm
Typical programming time 20µs
Low Power CMOS Operation
1µA Standby (Typical)
15mA Operation (Max.)
CMOS- and TTL-Compatible I/O
High-Reliability CMOS Technology
Latch-Up Immunity to 100mA
from -1V to VCC + 1V
Two-Line Control ( OE & CE )
Standard Product Identification Code
JEDEC Standard Pinout
32-pin PDIP
32-pin PLCC
32-pin TSOP (Type 1)
Commercial and Industrial Temperature
Ranges
GENERAL DESCRIPTION
The EN27LV020 / EN27LV020B is a low-voltage, low-power 2-Megabit, 3.3V one-time-
programmable (OTP) read-only memory (EPROM). Organized into 256K words with 8 bits per
word, it features QuikRiteTM single-address location programming, typically at 20µs per byte. Any
byte can be accessed in less than 90ns. The EN27LV020 / EN27LV020B has separate Output
Enable ( OE ) and Chip Enable ( CE ) controls which eliminate bus contention issues. The
EN27LV020 has a Vcc tolerance range of 3.0V to 3.6 V, making it suitable for use in systems
that have regulated power supplies. The EN27LV020B has a Vcc tolerance range of 2.7 V to
3.6V, making it an ideal device for battery operated systems.
FIGURE 1. PDIP
Pin Name
A0-A17
DQ0-DQ7
CE
OE
PGM
Function
Addresses
Outputs
Chip Enable
Output Enable
Program Strobe
A17
4800 Great America Parkway Ste 202
Santa Clara, CA. 95054
1
Preliminary
Tel: 408-235-8680
Fax: 408-235-8685






EN27LV020B Datasheet, Funktion
EN27LV020 / EN27LV020B
MODE SELECT TABLE
Mode
Read
Output Disable
Standby (TTL)
Standby (CMOS)
Program (4)
Program Verify
Program Inhibit
Manufacturer Code (3)
Device Code (3)
CE
VIL
VIL
VIH
VCC ± 0.3V
VIL
VIL
VIH
VIL
VIL
OE
VIL
VIH
X
X
VIH
VIL
X
VIL
VIL
PGM
X (2)
X
X
X
VIL
VIH
X
X
X
A0
X
X
X
X
X
X
X
VIL
VIH
A1
X
X
X
X
X
X
X
VIH
VIH
A9
X
X
X
X
X
X
X
VH(1)
VH(1)
NOTES:
1) VH = 12.0V ± 0.5V
2) X = Either VIH or VIL
3) For Manufacturer Code and Device Code, A1 = VIH
When A1 = VIL, both codes will read 7F
4) See DC Programming Characteristics for VPP voltage during programming
VPP
VCC
VCC
VCC
VCC
VPP
VPP
VPP
VCC
VCC
Output
DOUT
High Z
High Z
High Z
DIN
DOUT
High Z
1C
02
EON’S STANDARD PRODUCT IDENTIFICATION CODE
Code
Manufacturer
Device Type
Continuation
Pins
A0 A1 DQ7 DQ6 DQ5 DQ4 DQ3 DQ2 DQ1
010001110
110000001
000111111
100111111
DQ0
0
0
1
1
Hex
Data
1C
02
7F
7F
4800 Great America Parkway Ste 202
Santa Clara, CA. 95054
6
Preliminary
Tel: 408-235-8680
Fax: 408-235-8685

6 Page









EN27LV020B pdf, datenblatt
EN27LV020 / EN27LV020B
SWITCHING PROGRAMMING CHARACTERISTICS
(TΑ = + 25 ° C ± 5 ° C)
PARAMETER
SYMBOL
STANDARD
tAS
tOES
tDS
tAH
tDH
tDFP
tVPS
tPW
tVCS
tCES
tOE
PARAMETER DESCRIPTION
Address Setup Time
OE Setup Time
Data Setup Time
Address Hold Time
Data Hold Time
Output Enable to Output Float Delay
VPP Setup Time
PGM Program Pulse Width
Vcc Setup Time
CE Setup Time
Data Valid from OE
Min.
2
2
2
0
2
0
2
20
2
2
Max
130
105
150
Units
µs
µs
µs
µs
µs
ns
µs
µs
µs
µs
ns
ORDERING INFORMATION
EN27LV020 / EN27LV020B 90
Tolerance
PI
TEMPERATURE RANGE
(Blank) = Commercial ( 0ÝC to +70ÝC)
I = Industrial ( -40ÝC to +85ÝC)
PACKAGE
P = 32 Plastic DIP
J = 32 Plastic PLCC
T = 32 Plastic TSOP
SPEED
90 = 90ns
120 = 120ns
150 = 150ns
200 = 200ns
BASE PART NUMBER
EN = EON Silicon Devices
27 = EPROM
LV = Low Voltage CMOS
020 = 256K x 8 3.0V to 3.6V Vcc
4800 Great America Parkway Ste 202
Santa Clara, CA. 95054
12
Tel: 408-235-8680
Fax: 408-235-8685
Preliminary

12 Page





SeitenGesamt 13 Seiten
PDF Download[ EN27LV020B Schematic.PDF ]

Link teilen




Besondere Datenblatt

TeilenummerBeschreibungHersteller
EN27LV0202Megabit Low Voltage EPROMEON
EON
EN27LV020B2Megabit Low Voltage EPROMEON
EON

TeilenummerBeschreibungHersteller
CD40175BC

Hex D-Type Flip-Flop / Quad D-Type Flip-Flop.

Fairchild Semiconductor
Fairchild Semiconductor
KTD1146

EPITAXIAL PLANAR NPN TRANSISTOR.

KEC
KEC


www.Datenblatt-PDF.com       |      2020       |      Kontakt     |      Suche