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93LC46B 데이터시트 PDF




Microchip Technology에서 제조한 전자 부품 93LC46B은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


PDF 형식의 93LC46B 자료 제공

부품번호 93LC46B 기능
기능 1K Microwire Compatible Serial EEPROM
제조업체 Microchip Technology
로고 Microchip Technology 로고


93LC46B 데이터시트 를 다운로드하여 반도체의 전기적 특성과 매개변수에 대해 알아보세요.




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93LC46B 데이터시트, 핀배열, 회로
93AA46A/B/C, 93LC46A/B/C,
93C46A/B/C
1K Microwire Compatible Serial EEPROM
Device Selection Table
Part Number
93AA46A
93AA46B
93LC46A
93LC46B
93C46A
93C46B
93AA46C
93LC46C
93C46C
VCC Range
1.8-5.5
1.8-5-5
2.5-5.5
2.5-5.5
4.5-5.5
4.5-5.5
1.8-5.5
2.5-5.5
4.5-5.5
ORG Pin
No
No
No
No
No
No
Yes
Yes
Yes
Features:
• Low-Power CMOS Technology
• ORG Pin to Select Word Size for ‘46C’ Version
• 128 x 8-bit Organization ‘A’ Devices (no ORG)
• 64 x 16-bit Organization ‘B’ Devices (no ORG)
• Self-Timed Erase/Write Cycles (including
Auto-Erase)
• Automatic Erase All (ERAL) Before Write All
(WRAL)
• Power-On/Off Data Protection Circuitry
• Industry Standard 3-Wire Serial I/O
• Device Status Signal (Ready/Busy)
• Sequential Read Function
• 1,000,000 Erase/Write Cycles
• Data Retention > 200 Years
• Pb-free and RoHS Compliant
• Temperature Ranges Supported:
- Industrial (I) -40°C to +85°C
- Automotive (E) -40°C to +125°C
Word Size Temp Ranges
Packages
8-bit
16-bit
8-bit
16-bit
8-bit
16-bit
8- or 16-bit
8- or 16-bit
8- or 16-bit
I P, SN, ST, MS, OT, MC, MN
I P, SN, ST, MS, OT, MC, MN
I, E P, SN, ST, MS, OT, MC, MN
I, E P, SN, ST, MS, OT, MC, MN
I, E P, SN, ST, MS, OT, MC, MN
I, E P, SN, ST, MS, OT, MC, MN
I P, SN, ST, MS, MC, MN
I, E P, SN, ST, MS, MC, MN
I, E P, SN, ST, MS, MC, MN
Pin Function Table
Name
Function
CS
CLK
DI
DO
VSS
NC
ORG
VCC
Chip Select
Serial Data Clock
Serial Data Input
Serial Data Output
Ground
No internal connection
Memory Configuration
Power Supply
Description:
The Microchip Technology Inc. 93XX46A/B/C devices
are 1Kbit low-voltage serial Electrically Erasable
PROMs (EEPROM). Word-selectable devices such as
the 93AA46C, 93LC46C or 93C46C are dependent
upon external logic levels driving the ORG pin to set
word size. For dedicated 8-bit communication, the
93AA46A, 93LC46A or 93C46A devices are available,
while the 93AA46B, 93LC46B and 93C46B devices
provide dedicated 16-bit communication. Advanced
CMOS technology makes these devices ideal for low-
power, nonvolatile memory applications. The entire
93XX Series is available in standard packages includ-
ing 8-lead PDIP and SOIC, and advanced packaging
including 8-lead MSOP, 6-lead SOT-23, 8-lead
2x3 DFN/TDFN and 8-lead TSSOP. All packages are
Pb-free (Matte Tin) finish.
2002-2011 Microchip Technology Inc.
DS21749J-page 1




93LC46B pdf, 반도체, 판매, 대치품
93AA46A/B/C, 93LC46A/B/C, 93C46A/B/C
TABLE 1-2: AC CHARACTERISTICS
All parameters apply over the specified
ranges unless otherwise noted.
Industrial (I): TA = -40°C to +85°C, VCC = +1.8V TO +5.5V
Automotive (E): TA = -40°C to +125°C, VCC = +2.5V TO +5.5V
Param.
No.
Symbol
Parameter
Min. Max. Units
Conditions
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
Note 1:
FCLK
TCKH
TCKL
TCSS
TCSH
TCSL
TDIS
TDIH
TPD
TCZ
TSV
TWC
Clock frequency
Clock high time
Clock low time
Chip Select setup time
Chip Select hold time
Chip Select low time
Data input setup time
Data input hold time
Data output delay time
Data output disable time
Status valid time
Program cycle time
— 3 MHz
2 MHz
1 MHz
200 —
250
450
ns
ns
ns
100 —
200
450
ns
ns
ns
50 —
100
250
ns
ns
ns
0 — ns
250 —
ns
50 —
100
250
ns
50 —
100
250
ns
— 200 ns
— 250
— 400
— 100 ns
— 200
— 200 ns
300
500
— 6 ms
TWC
— 2 ms
TEC — 6 ms
TWL — 15 ms
— Endurance
1M — cycles
This parameter is periodically sampled and not 100% tested.
4.5VVCC 5.5V, 93XX46C only
2.5V VCC 5.5V
1.8V VCC 2.5V
4.5VVCC 5.5V, 93XX46C only
2.5V VCC 5.5V
1.8V VCC 2.5V
4.5VVCC 5.5V, 93XX46C only
2.5V VCC 5.5V
1.8V VCC 2.5V
4.5VVCC 5.5V
2.5V VCC 4.5V
1.8V VCC 2.5V
1.8V VCC 5.5V
1.8V VCC 5.5V
4.5VVCC 5.5V, 93XX46C only
2.5V VCC 5.5V
1.8V VCC 2.5V
4.5VVCC 5.5V, 93XX46C only
2.5V VCC 5.5V
1.8V VCC 2.5V
4.5VVCC 5.5V, CL = 100 pF
2.5V VCC 4.5V, CL = 100 pF
1.8V VCC 2.5V, CL = 100 pF
4.5VVCC 5.5V, (Note 1)
1.8VVCC 4.5V, (Note 1)
4.5VVCC 5.5V, CL = 100 pF
2.5V VCC 4.5V, CL = 100 pF
1.8V VCC 2.5V, CL = 100 pF
Erase/Write mode (AA and LC
versions)
Erase/Write mode (93C versions)
ERAL mode, 4.5V VCC 5.5V
WRAL mode, 4.5V VCC 5.5V
25°C, VCC = 5.0V, (Note 2)
2: This application is not tested but ensured by characterization. For endurance estimates in a specific
application, please consult the Total Endurance™ Model, which may be obtained from Microchip’s web
site at www.microchip.com.
DS21749J-page 4
2002-2011 Microchip Technology Inc.

4페이지










93LC46B 전자부품, 판매, 대치품
93AA46A/B/C, 93LC46A/B/C, 93C46A/B/C
2.4 Erase
The ERASE instruction forces all data bits of the
specified address to the logical ‘1’ state. CS is brought
low following the loading of the last address bit. This
falling edge of the CS pin initiates the self-timed
programming cycle, except on ‘93C’ devices where the
rising edge of CLK before the last address bit initiates
the write cycle.
The DO pin indicates the Ready/Busy status of the
device if CS is brought high after a minimum of 250 ns
low (TCSL). DO at logical ‘0’ indicates that programming
is still in progress. DO at logical ‘1’ indicates that the
register at the specified address has been erased and
the device is ready for another instruction.
Note:
After the Erase cycle is complete, issuing
a Start bit and then taking CS low will clear
the Ready/Busy status from DO.
FIGURE 2-1:
CS
ERASE TIMING FOR 93AA AND 93LC DEVICES
TCSL
Check Status
CLK
DI 1 1 1 AN AN-1 AN-2 ••• A0
DO High-Z
TSV
Busy
TWC
TCZ
Ready
High-Z
FIGURE 2-2:
CS
ERASE TIMING FOR 93C DEVICES
TCSL
Check Status
CLK
DI 1 1 1 AN AN-1 AN-2 ••• A0
DO High-Z
TSV
Busy
TWC
TCZ
Ready
High-Z
2002-2011 Microchip Technology Inc.
DS21749J-page 7

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