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PDF CAT93C46R Data sheet ( Hoja de datos )
| Número de pieza | CAT93C46R | |
| Descripción | 1 kb Microwire Serial EEPROM | |
| Fabricantes | ON Semiconductor | |
| Logotipo |  |
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CAT93C46R
1 kb Microwire Serial
EEPROM
Description
The CAT93C46R is a 1 kb CMOS Serial EEPROM device which is
organized as either 64 registers of 16 bits or 128 registers of 8 bits, as
determined by the state of the ORG pin. The CAT93C46R features
sequential read and self−timed internal write with auto−clear. On−chip
Power−On Reset circuitry protects the internal logic against powering
up in the wrong state.
In contrast to the CAT93C46, the CAT93C46R features an internal
instruction clock counter which provides improved noise immunity
for Write/Erase commands.
Features
• High Speed Operation: 4 MHz @ 5 V, 2 MHz @ 1.8 V
• 1.8 V to 5.5 V Supply Voltage Range
• Selectable x8 or x16 Memory Organization
• Sequential Read
• Software Write Protection
• Power−up Inadvertant Write Protection
• Low Power CMOS Technology
• 1,000,000 Program/Erase Cycles
• 100 Year Data Retention
• Industrial Temperature Range
• 8−pin PDIP, SOIC, TSSOP and 8−pad TDFN Packages
• This Device is Pb−Free, Halogen Free/BFR Free and RoHS
Compliant*
VCC
ORG
CS
SK
DI
CAT93C46R
DO
GND
Figure 1. Functional Symbol
*For additional information on our Pb−Free strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
http://onsemi.com
PDIP−8
L SUFFIX
CASE 646AA
TSSOP−8
Y SUFFIX
CASE 948AL
SOIC−8
V SUFFIX
CASE 751BD
TDFN−8**
VP2 SUFFIX
CASE 511AK
PIN CONFIGURATION
CS 1
SK
DI
DO
VCC
NC
ORG
GND
PDIP (L), SOIC (V),
TSSOP (Y), TDFN (VP2)**
(Top View)
** Not recommended for new designs
PIN FUNCTION
Pin Name
Function
CS Chip Select
SK Clock Input
DI Serial Data Input
DO
VCC
GND
Serial Data Output
Power Supply
Ground
ORG
Memory Organization
NC No Connection
Note: When the ORG pin is connected to VCC, the
x16 organization is selected. When it is connected
to ground, the x8 pin is selected. If the ORG pin is
left unconnected, then an internal pull−up device will
select the x16 organization.
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 12 of this data sheet.
© Semiconductor Components Industries, LLC, 2013
October, 2013 − Rev. 9
1
Publication Order Number:
CAT93C46R/D
1 page  
CAT93C46R
tSKHI
tSKLOW
tCSH
SK
tDIS tDIH
DI VALID
VALID
tCSS
CS
tDIS
tPD0, tPD1
tCSMIN
DO DATA VALID
Figure 2. Synchronous Data Timing
SK
tCSMIN
CS
AN AN−1
DI
11
0
A0
STANDBY
HIGH−Z
tPD0
DO 0
tHZ
HIGH−Z
DN DN−1
Figure 3. Read Instruction Timing
D1 D0
SK
11 1111 11 11 111 11
CS
AN AN−1
DI
11
0
A0
Don’t Care
DO HIGH−Z
Dummy 0
D15...D0
or
D7...D0
Address + 1
D15...D0
or
D7...D0
Figure 4. Sequential Read Instruction Timing
Address + 2
D15...D0
or
D7...D0
Address + n
D15...
or
D7...
http://onsemi.com
5
5 Page 
CAT93C46R
PACKAGE DIMENSIONS
TDFN8, 2x3
CASE 511AK−01
ISSUE A
D A eb
E E2
PIN#1
IDENTIFICATION
PIN#1 INDEX AREA
A1
TOP VIEW
SIDE VIEW
SYMBOL
MIN
NOM
A 0.70 0.75
A1 0.00 0.02
A2 0.45 0.55
A3 0.20 REF
b 0.20 0.25
D 1.90 2.00
D2 1.30 1.40
E 2.90 3.00
E2 1.20 1.30
e 0.50 TYP
L 0.20 0.30
Notes:
(1) All dimensions are in millimeters.
(2) Complies with JEDEC MO-229.
MAX
0.80
0.05
0.65
0.30
2.10
1.50
3.10
1.40
0.40
A2
D2
BOTTOM VIEW
L
FRONT VIEW
A3
http://onsemi.com
11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet CAT93C46R.PDF ] | |
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