DataSheet.es    


PDF FM93C86A Data sheet ( Hoja de datos )

Número de pieza FM93C86A
Descripción 16K-Bit Serial CMOS EEPROM (MICROWIRE Synchronous Bus)
Fabricantes Fairchild Semiconductor 
Logotipo Fairchild Semiconductor Logotipo



Hay una vista previa y un enlace de descarga de FM93C86A (archivo pdf) en la parte inferior de esta página.


Total 12 Páginas

No Preview Available ! FM93C86A Hoja de datos, Descripción, Manual

July 2000
FM93C86A
16K-Bit Serial CMOS EEPROM
(MICROWIRE™ Synchronous Bus)
General Description
FM93C86A is a 16,384-bit CMOS non-volatile EEPROM orga-
nized as 1024 x 16-bit array. This device features MICROWIRE
interface which is a 4-wire serial bus with chipselect (CS), clock
(SK), data input (DI) and data output (DO) signals. This interface
is compatible to many of standard Microcontrollers and Micropro-
cessors. This device offers a pin (ORG), using which, the user can
select the format of the data (16-bit or 8-bit). If ORG is tied to GND,
then 8-bit format is selected, while if ORG is tied to VCC, then 16-
bit format is selected. There are 7 instructions implemented on the
FM93C86A for various Read, Write, Erase, and Write Enable/
Disable operations. This device is fabricated using Fairchild
Semiconductor floating-gate CMOS process for high reliability,
high endurance and low power consumption.
“LZ” and “L” versions of FM93C86A offer very low standby current
making them suitable for low power applications. This device is
offered in both SO and DIP packages.
Features
I Wide VCC 2.7V - 5.5V
I User selectable organization
x16 (ORG = 1)
x8 (ORG = 0)
I Typical active current of 200µA
10µA standby current typical
1µA standby current typical (L)
0.1µA standby current typical (LZ)
I No Erase instruction required before Write instruction
I Self timed write cycle
I Device status during programming cycles
I 40 year data retention
I Endurance: 1,000,000 data changes
I Packages available: 8-pin SO and 8-pin DIP
Functional Diagram
CS
SK
DI
INSTRUCTION
REGISTER
ADDRESS
REGISTER
INSTRUCTION
DECODER
CONTROL LOGIC
AND CLOCK
GENERATORS
ORG
DO
DECODER
EEPROM ARRAY
16
READ/WRITE AMPS
16
DATA IN/OUT REGISTER
16/8 BITS
DATA OUT BUFFER
VCC
HIGH VOLTAGE
GENERATOR
AND
PROGRAM
TIMER
VSS
© 2000 Fairchild Semiconductor International
FM93C86A Rev. C.1
www.fairchildsemi.com

1 page




FM93C86A pdf
Pin Description
Chip Select (CS)
This is an active high input pin to FM93C86A EEPROM (the device)
and is generated by a master that is controlling the device. A high
level on this pin selects the device and a low level deselects the
device. All serial communications with the device is enabled only
when this pin is held high. However this pin cannot be permanently
tied high, as a rising edge on this signal is required to reset the
internal state-machine to accept a new cycle. All activity on the SK,
DI and DO pins are ignored while CS is held low.
Serial Clock (SK)
This is an input pin to the device and is generated by the master that
is controlling the device. This is a clock signal that synchronizes the
communication between a master and the device. All input informa-
tion (DI) to the device is latched on the rising edge of this clock input,
while output data (DO) from the device is driven from the rising edge
of this clock input. This pin is gated by CS signal.
Serial Input (DI)
This is an input pin to the device and is generated by the master
that is controlling the device. The master transfers Input informa-
tion (Start bit, Opcode bits, Array addresses and Data) serially via
this pin into the device. This Input information is latched on the
rising edge of the SCK. This pin is gated by CS signal.
Serial Output (DO)
This is an output pin from the device and is used to transfer Output
data via this pin to the controlling master. Output data is serially
shifted out on this pin from the rising edge of the SCK. This pin is
active only when the device is selected.
Organization (ORG)
This is an input pin to the device and is used to select the format
of data (16-bit or 8-bit). If this pin is tied high, 16-bit format is
selected, while if it is tied low, 8-bit format is selected. Depending
on the format selected, FM93C86A requires 10-bit address field
(for 16-bit data format) or 11-bit address field (for 8-bit data
format). Refer Table 1 and Table 2 for more details. This pin is
internally pulled-up to VCC. Hence leaving this pin unconnected
would default to 16-bit data format.
Microwire Interface
A typical communication on the Microwire bus is made through the
CS, SK, DI and DO signals. To facilitate various operations on the
Memory array, a set of 7 instructions are implemented on
FM93C86A. The format of each instruction is listed under Table 1
(for 16-bit format) and Table 2 (for 8-bit format).
Instruction
Each of the above 7 instructions is explained under individual
instruction descriptions.
Start bit
This is a 1-bit field and is the first bit that is clocked into the device
when a Microwire cycle starts. This bit has to be 1for a valid cycle
to begin. Any number of preceding 0can be clocked into the
device before clocking a 1.
Opcode
This is a 2-bit field and should immediately follow the start bit.
These two bits (along with 2 MSB of address field) select a
particular instruction to be executed.
Address Field
Depending on the selected organization, this is a 10-bit or 11-bit
field and should immediately follow the Opcode bits. In FM93C86A,
all 10 bits (or 11 bits) are used for address decoding during READ,
WRITE and ERASE instructions. During all other instructions, the
MSB 2 bits are used to decode instruction (along with Opcode bits).
Data Field
Depending on the selected organization, this is a 16-bit or 8-bit
field and should immediately follow the Address bits. Only the
WRITE and WRALL instructions require this field. MSB bit (D15 or
D7) is clocked first and LSB bit (D0) is clocked last (both during
writes as well as reads).
Table 1. Instruction set (16-bit organization)
Instruction
READ
WEN
WRITE
WRALL
WDS
ERASE
ERAL
Start Bit
1
1
1
1
1
1
1
Opcode Field
10
00
01
00
00
11
00
Address Field
A9 A8 A7 A6 A5 A4 A3 A2 A1 A0
1 1XXXXXXXX
A9 A8 A7 A6 A5 A4 A3 A2 A1 A0
0 1XXXXXXXX
0 0XXXXXXXX
A9 A8 A7 A6 A5 A4 A3 A2 A1 A0
1 0XXXXXXXX
Data Field
D15-D0
D15-D0
FM93C86A Rev. C.1
www.fairchildsemi.com

5 Page





FM93C86A arduino
Physical Dimensions inches (millimeters) unless otherwise noted
0.189 - 0.197
(4.800 - 5.004)
87 65
0.228 - 0.244
(5.791 - 6.198)
0.010 - 0.020 x 45¡
(0.254 - 0.508)
0.150 - 0.157
(3.810 - 3.988)
8¡ Max, Typ.
All leads
0.0075 - 0.0098
(0.190 - 0.249)
Typ. All Leads
0.004
(0.102)
All lead tips
0.016 - 0.050
(0.406 - 1.270)
Typ. All Leads
12 34
Lead #1
IDENT
0.053 - 0.069
(1.346 - 1.753)
0.014
(0.356)
0.050
(1.270)
Typ
0.004 - 0.010
(0.102 - 0.254)
Seating
Plane
0.014 - 0.020 Typ.
(0.356 - 0.508)
Molded Package, Small Outline, 0.15 Wide, 8-Lead (M8)
Package Number M08A
FM93C86A Rev. C.1
www.fairchildsemi.com

11 Page







PáginasTotal 12 Páginas
PDF Descargar[ Datasheet FM93C86A.PDF ]




Hoja de datos destacado

Número de piezaDescripciónFabricantes
FM93C8616K-Bit Serial CMOS EEPROM (MICROWIRE Synchronous Bus)Fairchild Semiconductor
Fairchild Semiconductor
FM93C86A16K-Bit Serial CMOS EEPROM (MICROWIRE Synchronous Bus)Fairchild Semiconductor
Fairchild Semiconductor
FM93C86AE16K-Bit Serial CMOS EEPROM (MICROWIRE Synchronous Bus)Fairchild Semiconductor
Fairchild Semiconductor
FM93C86AV16K-Bit Serial CMOS EEPROM (MICROWIRE Synchronous Bus)Fairchild Semiconductor
Fairchild Semiconductor

Número de piezaDescripciónFabricantes
SLA6805M

High Voltage 3 phase Motor Driver IC.

Sanken
Sanken
SDC1742

12- and 14-Bit Hybrid Synchro / Resolver-to-Digital Converters.

Analog Devices
Analog Devices


DataSheet.es es una pagina web que funciona como un repositorio de manuales o hoja de datos de muchos de los productos más populares,
permitiéndote verlos en linea o descargarlos en PDF.


DataSheet.es    |   2020   |  Privacy Policy  |  Contacto  |  Buscar