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PDF A93C66 Data sheet ( Hoja de datos )
| Número de pieza | A93C66 | |
| Descripción | 4K (512 X 8 OR 256 X 16) THREE-WIRE SERIAL EEPROM | |
| Fabricantes | AiT Semiconductor | |
| Logotipo |  |
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AiT Semiconductor Inc.
www.ait-ic.com
A93C66
THREE-WIRE SERIAL EEPROM
4K (512 X 8 OR 256 X 16)
DESCRIPTION
FEATURES
The A93C66 provides 4096 bits of serial electrically
erasable programmable read only memory
(EEPROM) organized as 256 words of 16 bits each,
when the ORG pin is connected to VCC and 512
words of 8 bits each when it is tied to ground.
The A93C66 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
Three-wire Serial Interface
VCC = 1.8V to 5.5V
Sequential Read Operation
2 MHz Clock Rate (5V) Compatibility
Self-timed Write Cycle (5 ms max)
1 Million Write Cycles guaranteed
Data Retention > 100 Years
Available in SOP8 and TSSOP8 Package
ORDERING INFORMATION
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
Package Type Part Number
A93C66M8R
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.
SOP8
A93C66M8U
M8
A93C66M8VR
A93C66M8VU
A93C66TMX8R
The A93C66 is available in SOP8 and TSSOP8
Package.
TSSOP8
TMX8
A93C66TMX8U
A93C66TMX8VR
A93C66TMX8VU
R: Tape & Reel
Note
U: Tube
V: Halogen free Package
AiT provides all RoHS products
suffix “ V “ means Halogen free Package
REV1.0
- MAY 2012 RELEASED -
-1-
1 page  
AiT Semiconductor Inc.
www.ait-ic.com
A93C66
THREE-WIRE SERIAL EEPROM
4K (512 X 8 OR 256 X 16)
AC ELECTRICAL CHARACTERISTICS
TA=-40℃ to +85℃, VCC=+1.8V to +5.5V, CL=1 TTL Gate and 100pF, unless otherwise specified.
Parameter
Symbol
Condition
MIN TYP MAX
SK Clock Frequency
fSK
1.8V ≤ VCC ≤ 5.5V
2.7V ≤ VCC ≤ 5.5V
4.5V ≤ VCC ≤ 5.5V
0 - 0.25
0- 1
0- 2
SK High Time
SK Low Time
1.8V ≤ VCC ≤ 5.5V
1000
-
-
tSKH
2.7V ≤ VCC ≤ 5.5V
250 -
-
4.5V ≤ VCC ≤ 5.5V
250 -
-
1.8V ≤ VCC ≤ 5.5V
1000
-
-
tSKL
2.7V ≤ VCC ≤ 5.5V
250 -
-
4.5V ≤ VCC ≤ 5.5V
250 -
-
1.8V ≤ VCC ≤ 5.5V
Minimum CS Low Time
tCS
2.7V ≤ VCC ≤ 5.5V
4.5V ≤ VCC ≤ 5.5V
Relative to SK
1000
250
250
-
-
-
-
-
-
CS Setup Time
tCSS
1.8V ≤ VCC ≤ 5.5V
2.7V ≤ VCC ≤ 5.5V
4.5V ≤ VCC ≤ 5.5V
Relative to SK
200 -
50 -
50 -
-
-
-
DI Setup Time
CS Hold Time
tDIS
1.8V ≤ VCC ≤ 5.5V
2.7V ≤ VCC ≤ 5.5V
4.5V ≤ VCC ≤ 5.5V
tCSH Relative to SK
Relative to SK
400 -
100 -
100 -
0-
-
-
-
-
DI Hold Time
Output Delay to “1”
Output Delay to “0”
tDIH
1.8V ≤ VCC ≤ 5.5V
2.7V ≤ VCC ≤ 5.5V
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
CS to Status Valid
CS to DO in High
Impedance
Write Cycle Time
tSV
AC
Test
1.8V ≤ VCC ≤ 5.5V
2.7V ≤ VCC ≤ 5.5V
-
-
- 1000
- 250
4.5V ≤ VCC ≤ 5.5V
-
- 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
1M -
-
Unit
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ms
Write
Cycles
REV1.0
- MAY 2012 RELEASED -
-5-
5 Page 
AiT Semiconductor Inc.
www.ait-ic.com
Fig6. WRAL Timing (Valid only at VCC=4.5V to 5.5V)
A93C66
THREE-WIRE SERIAL EEPROM
4K (512 X 8 OR 256 X 16)
Fig7. ERASE Timing
Fig8. ERAL Timing (Valid only at VCC=4.5V to 5.5V)
REV1.0
- MAY 2012 RELEASED -
- 11 -
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet A93C66.PDF ] | |
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