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A93C46 Schematic ( PDF Datasheet ) - AiT Semiconductor

Teilenummer A93C46
Beschreibung 1K (128 x 8 OR 64 x 16) THREE-WIRE SERIAL EEPROM
Hersteller AiT Semiconductor
Logo AiT Semiconductor Logo 




Gesamt 14 Seiten
A93C46 Datasheet, Funktion
AiT Semiconductor Inc.
www.ait-ic.com
 
A93C46
THREE-WIRE SERIAL EEPROM
1K (128 X 8 OR 64 X 16)
DESCRIPTION
The A93C46 provides 1024 bits of serial
electrically erasable programmable read only
memory (EEPROM) organized as 64 words of
16 bits each, when the ORG pin is connected to
VCC and 128 words of 8 bits each when it is tied
to ground. The A93C46 is enabled through the
Chip Select pin (CS), and accessed via a 3-wire
serial interface consisting of Data Input (DI),
Data Output (DO), and Shift Clock (SK). Upon
receiving a Read instruction at DI, the address is
decoded and the data is clocked out serially on
the data output pin DO. The WRITE cycle is
completely self-timed and no separate erase
cycle is required before write. The Write cycle is
only enabled when it is in the Erase/Write
Enable state. When CS is brought “high”
following the initiation of a write cycle, the DO
pin outputs the Ready/Busy status.
The A93C46 is available in SOP8 and TSSOP8
Package.
FEATURES
Three-Wire Serial Interface
VCC=1.8V to 5.5V
Self-Timed Write Cycle (5ms Max)
2 MHz Rate(5V) Compatibility
1 Million Write Cycles Guaranteed
Data Retention>100 Years
Available in SOP8 and TSSOP8 Package 
 
ORDERING INFORMATION
Package Type Part Number
A93C46M8R
SOP8
A93C46M8U
M8
A93C46M8VR
A93C46M8VU
A93C46TMX8R
TSSOP8
A93C46TMX8U
TMX8
A93C46TMX8VR
A93C46TMX8VU
R: Tape & Reel
Note
U: Tube
V: Halogen free Package
AiT provides all RoHS products
suffix “ V “ means Halogen free Package
REV1.2
 
- FEB 2010 RELEASED, FEB 2012 DATED -
-1-






A93C46 Datasheet, Funktion
AiT Semiconductor Inc.
www.ait-ic.com
 
BLOCK DIAGRAM
A93C46
THREE-WIRE SERIAL EEPROM
1K (128 X 8 OR 64 X 16)
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 and the application does not load the
input beyond the capability of the internal 1 MΩ pull-up, then “x16“ organization is selected.
REV1.2
 
- FEB 2010 RELEASED, FEB 2012 DATED -
-6-

6 Page









A93C46 pdf, datenblatt
AiT Semiconductor Inc.
www.ait-ic.com
 
PACKAGE INFORMATION
Dimension in SOP8 (Unit: mm)
A93C46
THREE-WIRE SERIAL EEPROM
1K (128 X 8 OR 64 X 16)
Symbol
Min
Max
A - 1.770
A1
0.080
0.280
A2 - 1.770
b
0.440
0.530
c
0.210
0.260
D
4.700
5.100
E
3.700
4.100
E1
5.800
6.200
e 1.270(BSC)
L
0.400
1.270
θ 0° 8°
 
REV1.2
 
- FEB 2010 RELEASED, FEB 2012 DATED -
- 12 -

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