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PDF A93C46 Data sheet ( Hoja de datos )
| Número de pieza | A93C46 | |
| Descripción | 1K (128 x 8 OR 64 x 16) THREE-WIRE SERIAL EEPROM | |
| Fabricantes | AiT Semiconductor | |
| Logotipo |  |
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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-
1 page  
AiT Semiconductor Inc.
www.ait-ic.com
A93C46
THREE-WIRE SERIAL EEPROM
1K (128 X 8 OR 64 X 16)
AC ELECTRICAL CHARACTERISTICS
TA=-40℃ to +85℃, VCC=+1.8V to +5.5V, CL=1 TTL Gate and 100pF, unless otherwise noted.
Parameter
Symbol
Condition
MIN TYP MAX
1.8V ≤ VCC ≤ 5.5V
0 - 0.25
SK Clock Frequency
fSK
2.7V ≤ VCC ≤ ≤5.5V
0- 1
4.5V ≤ VCC ≤ ≤5.5V
0- 2
1.8V ≤ VCC ≤ 5.5V
1000
-
-
SK High Time
tSKH
2.7V ≤ VCC ≤ ≤5.5V
250 -
-
4.5V ≤ VCC ≤ ≤5.5V
250 -
-
SK Low Time
1.8V ≤ VCC ≤ 5.5V
1000
-
-
tSKL
2.7V ≤ VCC ≤ ≤5.5V
250 -
-
4.5V ≤ VCC ≤ ≤5.5V
250 -
-
1.8V ≤ VCC ≤ 5.5V
1000
-
-
Minimum CS Low Time
tCS
2.7V ≤ VCC ≤ ≤5.5V
250 -
-
4.5V ≤ VCC ≤ ≤5.5V
Relative to SK
250 -
-
CS Setup Time
1.8V ≤ VCC ≤ 5.5V
200 -
-
tCSS
2.7V ≤ VCC ≤ 5.5V
50 -
-
4.5V ≤ VCC ≤ 5.5V
Relative to SK
50 -
-
DI Setup Time
1.8V ≤ VCC ≤ 5.5V
400 -
-
tDIS
2.7V ≤ VCC ≤ 5.5V
100 -
-
4.5V ≤ VCC ≤ 5.5V
100 -
-
CS Hold Time
DI Hold Time
Output Delay to “1”
Output Delay to “0”
CS to Status Valid
CS to DO in High
Impedance
Write Cycle Time
tCSH Relative to SK
Relative to SK
tDIH
1.8V ≤ VCC ≤ 5.5V
2.7V ≤ VCC ≤ 5.5V
0-
400 -
100 -
-
-
-
4.5V ≤ VCC ≤ 5.5V
100 -
-
tPD1
AC
Test
1.8V ≤ VCC ≤ 5.5V
2.7V ≤ VCC ≤ 5.5V
4.5V ≤ VCC ≤ 5.5V
-
-
-
- 1000
- 250
- 250
tPD0
AC
Test
1.8V ≤ VCC ≤ 5.5V
2.7V ≤ VCC ≤ 5.5V
4.5V ≤ VCC ≤ 5.5V
-
-
-
- 1000
- 250
- 250
tSV
AC
Test
1.8V ≤ VCC ≤ 5.5V
2.7V ≤ VCC ≤ 5.5V
4.5V ≤ VCC ≤ 5.5V
-
-
-
- 1000
- 250
- 250
AC Test CS = VIL
tDF
1.8V ≤ VCC ≤ 5.5V
2.7V ≤ VCC ≤ 5.5V
- - 400
- - 100
4.5V ≤ VCC ≤ 5.5V
- - 100
tWP - 1.5 5
5.0V, 25℃
Endurance
Note4
1M -
-
NOTE4: This parameter is characterized and is not 100% tested
REV1.2
- FEB 2010 RELEASED, FEB 2012 DATED -
Unit
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ms
Write
Cycles
-5-
5 Page 
AiT Semiconductor Inc.
www.ait-ic.com
Fig6. WRAL Timing (Valid only at VCC=4.5V to 5.5V)
A93C46
THREE-WIRE SERIAL EEPROM
1K (128 X 8 OR 64 X 16)
Fig7. ERASE Timing
Fig8. ERAL Timing (Valid only at VCC=4.5V to 5.5V)
REV1.2
- FEB 2010 RELEASED, FEB 2012 DATED -
- 11 -
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet A93C46.PDF ] | |
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