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PDF XL93LC56A Data sheet ( Hoja de datos )
| Número de pieza | XL93LC56A | |
| Descripción | 2048-Bit Serial Electrically EPROM | |
| Fabricantes | EXEL | |
| Logotipo |  |
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t4U.com XL93LC56/56AEXEL Microelectronics, Inc.
2,048-Bit Serial Electrically Erasable PROM
with 2V Read Capability
heeFEATURES
S• 2.7 to 5.5V Operation (XL93LC56)
ta4.5 to 5.5V Operation (XL93LC56A)
.Da• Extended Temperature Range: -40°C to +85°C
w• State-of-the-Art Architecture
w— Nonvolatile data storage
w — Fully TTL compatible inputs and outputs
m— Auto increment for efficient data dump
• Hardware and Software Write Protection
o— Defaults to write-disabled state at power up
.c— Software instructions for write-enable/disable
— VCC lockout inadvertent write protection
(XL93LC56A)
U• Low Power Consumption
t4— 1mA active
— 1µA standby
e• Low Voltage Read Operations
e— Reliable read operations down to 2.0 volts
h• Advanced Low Voltage CMOS E2PROM
Technology
S• Versatile, Easy-to-Use Interface
ta— Self-timed programming cycle
— Automatic erase-before-write
— Programming Status Indicator
a— Word and chip erasable
.D• Durable and Reliable
— 100-year data retention after 100K write
cycles
w— Minimum of 100,000 erase/write cycles
— Unlimited read cycles
— ESD protection (EIAJ and JEDEC standard)
PIN CONFIGURATIONS
Plastic Dual-in-line
“P” Package
CS 1
SK 2
DI 3
DO 4
8 VCC
7 NC
6 NC
5 GND
JEDEC Small Outline
“RY” Package
CS 1
SK 2
DI 3
DO 4
8 VCC
7 NC
6 NC
5 GND
JEDEC Small Outline
“Y” Package
NC 1
VCC 2
CS 3
SK 4
8 NC
7 GND
6 DO
5 DI
D0005 ILL A01.1
PIN NAMES
CS
SK
DI
DO
GND
VCC
NC
Chip Select
Serial Data Clock
Serial Data Input
Serial Data Output
Ground
Power Supply
Not Connected
w mOVERVIEW
w .coThe XL93LC56/56A is a cost effective 2,048-bit, nonvola-
Utile, serial E2PROM. It is fabricated using EXEL’s ad-
t4vanced CMOS E2PROM technology. The XL93LC56/
e56A provides efficient nonvolatile read/write memory ar-
eranged as 128 registers of 16 bits each. Seven 11-bit
hinstructions control the operation of the device, which
Sinclude read, write, and mode enable functions. The data
taoutput pin (DO) indicates the status of the device during
athe self-timed nonvolatile programming cycle.
The self-timed write cycle includes an automatic erase-
before-write capability. To protect against inadvertent
writes, the WRITE instruction is accepted only while the
chip is in the write enabled state. Data is written in 16 bits
per write instruction into the selected register. If Chip
Select (CS) is brought HIGH after initiation of the write
cycle, the Data Output (DO) pin will indicate the READY/
BUSY status of the chip.
w.DEXEL Microelectronics, Inc.
2150 Commerce Drive • San Jose, CA 95131
wwPHONE 408 432-0500 • FAX 408 432-8710 • Internet www.exel.com
D0005 3/96
DVPTD 6931-04
1 page  
XL93LC56/56A
CAPACITANCE
TA = 25°C, f = 250KHz
Symbol
CIN
COUT
Parameter
Input Capacitance
Output Capacitance
Max
5
5
Units
pF
pF
D0005 PGM T04.1
CS
tCSS
SK
tDIS
DI
DO (READ)
DO (WRITE)
*T = 1/f SK
tSKH
T*
t SKL
tDIH
tPDO
t PD1
t SV
STATUS VALID
FIGURE 1. SYNCHRONOUS DATA TIMING
t CS
tCSH
tDF
D0005 ILL F01.1
CS
SK *
DI 0 1 1 0 X A6 A0
DO 0 D15
* This leading clock is optional.
** Address pointer automatically cycles to the next register.
D0 D15
**
FIGURE 2. READ CYCLE TIMING
5
t CS
D0005 ILL F02.1
D0005 3/96
DVPTD 6931-04
5 Page 
MARKING INFORMATION
Marking for
XL93LC56AP
YWW
XL93LC56AP
Marking for
XL93LC56P
YWW
XL93LC56P
* See cover page for pinout options.
Marking for
XL93LC56AY
LC56A
YWW
Marking for
XL93LC56Y
LC56
YWW
XL93LC56/56A
Marking for
XL93LC56ARY
LR56A
YWW
Marking for
XL93LC56RY
LR56
YWW
D0005 ILL C01.2
TAPE AND REEL (EMBOSSED) INFORMATION
Surface mount devices, which are normally shipped in systems. The following diagram provides general infor-
antistatic plastic tubes, are also available mounted on mation regarding the direction of the IC’s. Tape “E2” shall
embossed tape for customers using automatic placement be designated with PIN 1 at the trail direction.
PIN 1
E2
Tape
un-reel
direction
T&R Y ILL.2
D0005 3/96
11 DVPTD 6931-04
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet XL93LC56A.PDF ] | |
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