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PDF CAT93C46B Data sheet ( Hoja de datos )

Número de pieza CAT93C46B
Descripción 1Kb Microwire Serial EEPROM
Fabricantes ON Semiconductor 
Logotipo ON Semiconductor Logotipo



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CAT93C46B
1-Kb Microwire Serial
EEPROM
Description
The CAT93C46B is a 1Kb Serial EEPROM memory device which
is configured as either 64 registers of 16 bits (ORG pin at VCC) or 128
registers of 8 bits (ORG pin at GND). Each register can be written (or
read) serially by using the DI (or DO) pin. The CAT93C46B features a
selftimed internal write with autoclear. Onchip PowerOn Reset
circuit protects the internal logic against powering up in the wrong
state.
Features
High Speed Operation: 4 MHz
1.8 V (1.65 V*) to 5.5 V Supply Voltage Range
Selectable x8 or x16 Memory Organization
SelfTimed Write Cycle with AutoClear
Sequential Read
Software Write Protection
Powerup Inadvertant Write Protection
Low Power CMOS Technology
1,000,000 Program/Erase Cycles
100 Year Data Retention
Industrial and Extended Temperature Ranges
8pin PDIP, SOIC, TSSOP and 8pad UDFN and TDFN Packages
This Device is PbFree, Halogen Free/BFR Free and RoHS
Compliant
VCC
ORG
CS
SK
DI
CAT93C46B
DO
GND
Figure 1. Functional Symbol
*CAT93C46BxxxxL (TA = 205C to +855C)
†For additional information on our PbFree strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
http://onsemi.com
PDIP8
L SUFFIX
CASE 646AA
TSSOP8
Y SUFFIX
CASE 948AL
SOIC8
V, W** SUFFIX
CASE 751BD
SOIC8
X SUFFIX
CASE 751BE
UDFN8
HU4 SUFFIX
CASE 517AZ
TDFN8**
VP2 SUFFIX
CASE 511AK
PIN CONFIGURATIONS
CS 1
SK
DI
DO
VCC
NC
ORG
GND
NC
VCC
CS
SK
1
ORG
GND
DO
DI
PDIP (L), SOIC (V, X),
TSSOP (Y), UDFN (HU4),
TDFN (VP2)**
(Top View)
SOIC (W)**
(Top View)
** Not recommended for new designs.
PIN FUNCTION
Pin Name
Function
CS Chip Select
SK Clock Input
DI Serial Data Input
DO Serial Data Output
VCC
GND
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 organization is selected. If the
ORG pin is left unconnected, then an internal pullup
device will select the x16 organization.
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 14 of this data sheet.
© Semiconductor Components Industries, LLC, 2014
January, 2014 Rev. 3
1
Publication Order Number:
CAT93C46B/D

1 page




CAT93C46B pdf
SK
DI
CS
DO
SK
CS
DI
DO
SK
CS
DI
CAT93C46B
tSKHI
tSKLOW
tCSH
tCSS
tDIS
VALID
VALID
tDIH
tDIS tPD0, tPD1
DATA VALID
Figure 2. Synchronous Data Timing
tCSMIN
11
AN AN1
0
HIGHZ
tPD0
A0
Don’t Care
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. Read Instruction Timing
STANDBY
1 00
*
* ENABLE = 11
DISABLE = 00
Figure 4. EWEN/EWDS Instruction Timing
http://onsemi.com
5

5 Page





CAT93C46B arduino
CAT93C46B
PACKAGE DIMENSIONS
TSSOP8, 4.4x3
CASE 948AL01
ISSUE O
b
e
TOP VIEW
D
A2
E1 E
A
SYMBOL
A
A1
A2
b
c
D
E
E1
e
L
L1
θ
MIN
0.05
0.80
0.19
0.09
2.90
6.30
4.30
0.50
NOM
0.90
3.00
6.40
4.40
0.65 BSC
1.00 REF
0.60
MAX
1.20
0.15
1.05
0.30
0.20
3.10
6.50
4.50
0.75
q1 c
SIDE VIEW
A1
Notes:
(1) All dimensions are in millimeters. Angles in degrees.
(2) Complies with JEDEC MO-153.
L1
END VIEW
L
http://onsemi.com
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