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PDF CAT93C76 Data sheet ( Hoja de datos )
| Número de pieza | CAT93C76 | |
| Descripción | 8K-Bit Microwire Serial EEPROM | |
| Fabricantes | Catalyst Semiconductor | |
| Logotipo |  |
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CAT93C76 (Rev. A)
8K-Bit Microwire Serial EEPROM
FEATURES
I High speed operation: 3MHz @ VCC ≥ 2.5V
I Low power CMOS technology
I 1.8 to 5.5 volt operation
I Selectable x8 or x16 memory organization
I Self-timed write cycle with auto-clear
I Software write protection
ALOGEN FR
LEA D F REETM
I Power-up inadvertant write protection
I 1,000,000 Program/erase cycles
I 100 year data retention
I Industrial and extended temperature ranges
I Sequential read
I “Green” package option available
DESCRIPTION
The CAT93C76 is an 8K-bit Serial EEPROM memory
device which is configured as either registers of 16 bits
(ORG pin at VCC or Not Connected) or 8 bits (ORG pin
at GND). Each register can be written (or read) serially
by using the DI (or DO) pin. The CAT93C76 is
manufactured using Catalyst’s advanced CMOS
EEPROM floating gate technology. The device is
designed to endure 1,000,000 program/erase cycles
and has a data retention of 100 years. The device is
available in 8-pin DIP, SOIC, TSSOP and 8-pad TDFN
packages.
PIN CONFIGURATION
FUNCTIONAL SYMBOL
DIP Package (P, L)
www.DataSheet4U.com
SOIC Package (S, V)
VCC
CS 1
SK 2
DI 3
DO 4
8 VCC
7 NC
6 ORG
5 GND
CS 1
SK 2
DI 3
DO 4
TSSOP Package (U,Y)
8 VCC
7 NC
6 ORG
5 GND
ORG
CS
SK
DI
DO
CS 1
SK 2
DI 3
DO 4
8 VCC
7 NC
6 ORG
5 GND
TDFN Package (RD4, ZD4)
CS 1
SK 2
DI 3
DO 4
8 VCC
7 NC
6 ORG
5 GND
Top View
GND
PIN FUNCTIONS
Pin Name
CS
Function
Chip Select
SK Serial Clock Input
DI Serial Data Input
DO Serial Data Output
VCC
GND
+1.8 to 5.5V Power Supply
Ground
ORG
Memory Organization
NC No Connection
Note: When the ORG pin is connected to VCC, x16 organization is
selected. When it is connected to ground, x8 organization is selected.
If the ORG pin is left unconnected, then an internal
pull-up device will select x16 organization.
© 2004 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice.
Doc. No. 1090, Rev. A
1 page  
Figure 1. Sychronous Data Timing
tSKHI
SK
tDIS
DI VALID
tCSS
CS
DO
CAT93C76
tSKLOW
VALID
tDIH
tCSH
tDIS
tPD0,tPD1
tCSMIN
DATA VALID
Figure 2. Read Instruction Timing
SK
CS
AN AN–1
DI
11
0
A0
Don't Care
HIGH-Z
DO
Dummy 0
D15 . . . D0
or
D7 . . . D0
Address + 1
D15 . . . D0
or
D7 . . . D0
Address + 2
D15 . . . D0
or
D7 . . . D0
Address + n
D15 . . .
or
D7 . . .
Figure 3. Write Instruction Timing
SK
CS
AN AN-1
DI 1 0 1
A0 DN
HIGH-Z
DO
tCSMIN
STATUS
VERIFY
D0
STANDBY
tSV BUSY
READY
tEW
tHZ
HIGH-Z
5 Doc. No. 1090, Rev. A
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet CAT93C76.PDF ] | |
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