93LC66B Microchip Technology Inc., 93LC66B Datasheet

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93LC66B

Manufacturer Part Number
93LC66B
Description
4K 2.5V Microwire ? Serial EEPROM
Manufacturer
Microchip Technology Inc.
Datasheet

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Device Selection Table
Features
• Low power CMOS technology
• ORG pin to select word size for ‘66C version
• 512 x 8-bit organization ‘A’ ver. devices (no ORG)
• 256 x 16-bit organization ‘B’ ver. devices (no
• Self-timed ERASE/WRITE cycles (including
• Automatic ERAL before 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 E/W cycles
• Data retention > 200 years
• Temperature ranges supported:
Pin Function Table
 2003 Microchip Technology Inc.
CS
CLK
DI
DO
V
NC
ORG
V
ORG)
auto-erase)
SS
CC
Part Number
- Industrial (I)
- Automotive (E)
Name
93AA66A
93AA66B
93LC66A
93LC66B
93AA66C
93LC66C
93C66A
93C66B
93C66C
4K Microwire
V
No internal connection
Memory Configuration
CC
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
Serial Data Output
Serial Data Clock
Serial Data Input
Range
-40°C to +85°C
-40°C to +125°C
Power Supply
Chip Select
Function
Ground
ORG Pin
Yes
Yes
Yes
No
No
No
No
No
No
®
-Compatible Serial EEPROM
93AA66A/B/C, 93LC66A/B/C,
Word Size
8 or 16-bit
8 or 16-bit
8 or 16-bit
16-bit
16-bit
16-bit
8-bit
8-bit
8-bit
Description
The Microchip Technology Inc. 93XX66A/B/C devices
are 4K bit low voltage serial Electrically Erasable
PROMs (EEPROM). Word-selectable devices such as
the 93AA66C, 93LC66C or 93C66C are dependent
upon external logic levels driving the ORG pin to set
word size. For dedicated 8-bit communication, the
93AA66A, 93LC66A or 93C66A devices are available,
while the 93AA66B, 93LC66B and 93C66B devices
provide dedicated 16-bit communication. Advanced
CMOS technology makes these devices ideal for low
power, non-volatile 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, and 8-lead
TSSOP. Pb-free (Pure Matte Sn) finish is also
available.
Package Types (not to scale)
Microwire is a registered trademark of National Semiconductor.
* ORG pin is NC on A/B devices
CLK
DO
CS
DI
CLK
V
NC
CS
Temp Ranges
CC
TSSOP/MSOP
ROTATED SOIC
(ex: 93LC66BX)
1
2
3
4
(ST, MS)
1
2
3
4
I, E
I, E
I, E
I, E
I, E
I, E
I
I
I
8
7
6
5
8
7
6
5
ORG*
V
DO
DI
V
NC
ORG*
V
SS
CC
SS
93C66A/B/C
P, SN, ST, MS, OT
P, SN, ST, MS, OT
P, SN, ST, MS, OT
P, SN, ST, MS, OT
P, SN, ST, MS, OT
P, SN, ST, MS, OT
CLK
V
DO
DO
CS
SS
DI
P, SN, ST, MS
P, SN, ST, MS
P, SN, ST, MS
DI
Packages
PDIP/SOIC
1
2
3
4
1
2
3
SOT-23
DS21795A-page 1
(P, SN)
(OT)
6
5
4
8
7
6
5
V
CS
CLK
V
NC
ORG*
V
CC
CC
SS

Related parts for 93LC66B

93LC66B Summary of contents

Page 1

... ORG pin to set word size. For dedicated 8-bit communication, the 93AA66A, 93LC66A or 93C66A devices are available, while the 93AA66B, 93LC66B and 93C66B devices provide dedicated 16-bit communication. Advanced CMOS technology makes these devices ideal for low power, non-volatile memory applications ...

Page 2

... V — 3.8V — V  2003 Microchip Technology Inc. CC +1.0V Conditions ≥ 2. < 2.7V ≥ 2. < 2. 2.1 mA 4.5V = 100 µ 2.5V = -400 µ ...

Page 3

... This parameter is periodically sampled and not 100% tested. 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 on www.microchip.com.  2003 Microchip Technology Inc range by device (see Table on Page 1) ...

Page 4

... D15 – D0 Address Data – – CSH Data Out Req. CLK Cycles (RDY/BSY) 11 (RDY/BSY) 11 HIGH-Z 11 HIGH-Z 11 D15 – (RDY/BSY) 27 (RDY/BSY) 27 Req. CLK Data Out Cycles — (RDY/BSY) 12 — (RDY/BSY) 12 — HIGH-Z 12 — HIGH-Z 12 — D7 – (RDY/BSY) 20 (RDY/BSY) 20  2003 Microchip Technology Inc. ...

Page 5

... Standby mode. An instruction following a START condition will only be executed if the required opcode, address and data bits for any particular instruction are clocked in.  2003 Microchip Technology Inc. 2.2 Data In/Data Out (DI/DO possible to connect the Data In and Data Out pins ...

Page 6

... Note: Issuing a START bit and then taking CS low will clear the READY/BUSY status from DO. CSL ••• CSL ••• CHECK STATUS BUSY READY HIGH CHECK STATUS BUSY READY HIGH-Z WC  2003 Microchip Technology Inc. ...

Page 7

... ERAL TIMING FOR 93C DEVICES CS CLK HIGH-Z DO  2003 Microchip Technology Inc. The DO pin indicates the READY/BUSY status of the device brought high after a minimum of 250 ns CSL low (T ). Note: Issuing a START bit and then taking CS low will clear the READY/BUSY status from DO. must be ≥ ...

Page 8

... CLK and are stable after the spec- ified time delay ( held high. The memory data will automatically cycle to the next register and output sequentially. ••• A0 ••• ••• CSL CSL Sequential read is possible when •••  2003 Microchip Technology Inc. ...

Page 9

... An DI HIGH-Z DO  2003 Microchip Technology Inc. The DO pin indicates the READY/BUSY status of the device brought high after a minimum of 250 ns CSL low ( logical “0” indicates that program- ming is still in progress logical “1” indicates that the register at the specified address has been written with the data specified and the device is ready for another instruction ...

Page 10

... Issuing a START bit and then taking CS low will clear the READY/BUSY status from DO. must be ≥ 4.5V for proper operation of WRAL ••• ••• ••• ••• CSL BUSY READY HIGH CSL BUSY READY HIGH  2003 Microchip Technology Inc. ...

Page 11

... CLK) must be provided. These clock cycles are required to clock in all required opcode, address and data bits before an instruction is executed. CLK and DI then become don't care inputs waiting for a new START condition to be detected.  2003 Microchip Technology Inc. SOT-23 Rotated SOIC 5 3 ...

Page 12

... Pb-free topside mark is same; Pb-free noted only on carton label. Example: 93LC66B TSSOP 1st Line Marking Codes I/SN 0228 1L7 Device 93AA66A 93AA66B 93AA66C 93LC66A 93LC66B Example: 93LC66C 93C66A L66B 93C66B I228 93C66C 1L7 Temperature grade is marked on line 2.  2003 Microchip Technology Inc. Pb-free ...

Page 13

... Mold Draft Angle Top Mold Draft Angle Bottom *Controlling Parameter Notes: Dimensions D and E1 do not include mold flash or protrusions. Mold flash or protrusions shall not exceed .010" (0.254mm) per side. JEDEC Equivalent: MO-187 Drawing No. C04-111  2003 Microchip Technology Inc φ Units ...

Page 14

... A2 MILLIMETERS MIN NOM MAX 6 0.95 1.90 0.90 1.18 1.45 0.90 1.10 1.30 0.00 0.08 0.15 2.60 2.80 3.00 1.50 1.63 1.75 2.80 2.95 3.10 0.35 0.45 0. 0.09 0.15 0.20 0.35 0.43 0.  2003 Microchip Technology Inc. ...

Page 15

... Mold Draft Angle Top Mold Draft Angle Bottom * Controlling Parameter § Significant Characteristic Notes: Dimensions D and E1 do not include mold flash or protrusions. Mold flash or protrusions shall not exceed .010” (0.254mm) per side. JEDEC Equivalent: MS-001 Drawing No. C04-018  2003 Microchip Technology Inc ...

Page 16

... A2 MILLIMETERS MIN NOM MAX 8 1.27 1.35 1.55 1.75 1.32 1.42 1.55 0.10 0.18 0.25 5.79 6.02 6.20 3.71 3.91 3.99 4.80 4.90 5.00 0.25 0.38 0.51 0.48 0.62 0. 0.20 0.23 0.25 0.33 0.42 0.  2003 Microchip Technology Inc. ...

Page 17

... Mold Draft Angle Top Mold Draft Angle Bottom * Controlling Parameter § Significant Characteristic Notes: Dimensions D and E1 do not include mold flash or protrusions. Mold flash or protrusions shall not exceed .005” (0.127mm) per side. JEDEC Equivalent: MO-153 Drawing No. C04-086  2003 Microchip Technology Inc φ ...

Page 18

... NOTES: DS21795A-page 18  2003 Microchip Technology Inc. ...

Page 19

... Microchip Products • Conferences for products, Development Systems, technical information and more • Listing of seminars and events  2003 Microchip Technology Inc. SYSTEMS INFORMATION AND UPGRADE HOT LINE The Systems Information and Upgrade Line provides system users a listing of the latest versions of all of Microchip's development systems software products ...

Page 20

... What deletions from the document could be made without affecting the overall usefulness there any incorrect or misleading information (what and where)? 7. How would you improve this document? DS21795A-page 20 Total Pages Sent ________ FAX: (______) _________ - _________ N Literature Number: DS21795A  2003 Microchip Technology Inc. ...

Page 21

... Device 93AA66A: 4K 1.8V Microwire Serial EEPROM 93AA66B: 4K 1.8V Microwire Serial EEPROM 93AA66C: 4K 1.8V Microwire Serial EEPROM w/ORG 93LC66A: 4K 2.5V Microwire Serial EEPROM 93LC66B: 4K 2.5V Microwire Serial EEPROM 93LC66C: 4K 2.5V Microwire Serial EEPROM w/ORG 93C66A: 4K 5.0V Microwire Serial EEPROM 93C66B: 4K 5.0V Microwire Serial EEPROM 93C66C ...

Page 22

... NOTES: DS21795A-page 22  2003 Microchip Technology Inc. ...

Page 23

... Microchip. No licenses are conveyed, implicitly or otherwise, under any intellectual property rights.  2003 Microchip Technology Inc. Trademarks The Microchip name and logo, the Microchip logo, K MPLAB, PIC, PICmicro, PICSTART, PRO MATE and PowerSmart are registered trademarks of Microchip Technology Incorporated in the U ...

Page 24

... Italy Microchip Technology SRL Via Quasimodo, 12 20025 Legnano (MI) Milan, Italy Tel: 39-0331-742611 Fax: 39-0331-466781 United Kingdom Microchip Ltd. 505 Eskdale Road Winnersh Triangle Wokingham Berkshire, England RG41 5TU Tel: 44 118 921 5869 Fax: 44-118 921-5820 03/25/03  2003 Microchip Technology Inc. ...

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