AT93C86A Automotive - Complete

AT93C86A
3-wire Automotive Temperature Serial EEPROM
16K (2,048 x 8 or 1,024 x 16)
DATASHEET
Features

Medium-voltage and Standard-voltage Operation
̶


2.7 (VCC = 2.7V to 5.5V)
Automotive Temperature Range -40C to +125C
User Selectable Internal Organization
̶






16K: 2,048 x 8 or 1,024 x 16
3-wire Serial Interface
Sequential Read Operation
Schmitt Trigger, Filtered Inputs for Noise Suppression
2MHz Clock Rate (5V) Compatibility
Self-timed Write Cycle (10ms max)
High Reliability
̶
̶


Endurance: 1,000,000 Write Cycles
Data Retention: 100 Years
Lead-Free/Halogen-Free Devices Available
8-lead JEDEC SOIC and 8-lead TSSOP Packages
Description
The AT93C86A provides 16,384 bits of Serial Electrically Erasable Programmable
Read-Only Memory (EEPROM), organized as 1,024 words of 16 bits each when
the ORG pin is connected to VCC and 2,048 words of 8 bits each when it is tied to
ground. The device is optimized for use in many automotive applications where
low-power and low-voltage operations are essential. The AT93C86A is available
in space saving 8-lead JEDEC SOIC and 8-lead TSSOP packages.
The AT93C86A 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 the part 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 of the part. The AT93C86A is available in a 2.7V to 5.5V
version.
Atmel-5096G-SEEPROM-AT93C86A-Automotive-Datasheet_022016
1.
Pin Configuration and Pinouts
Table 1-1.
2.
Pin Configurations
Pin Name
Function
CS
Chip Select
DC
Don’t Connect
DI
Serial Data Input
DO
Serial Data Output
GND
Ground
ORG
Internal Organization
SK
Serial Data Clock
VCC
Power Supply
CS
1
8
VCC
SK
2
7
DC
DI
3
6
ORG
DO
4
5
GND
(Top View)
Note:
CS
SK
DI
DO
1
2
3
4
8
7
6
5
VCC
DC
ORG
GND
(Top View)
Drawings are not to scale.
Absolute Maximum Ratings*
Operating Temperature . . . . . . . . . . –55C to +125C
Storage Temperature . . . . . . . . . . . . –65C to +150C
Voltage on any Pin
with Respect to Ground . . . . . . . . . . . . –1.0V to +7.0V
Maximum Operating Voltage . . . . . . . . . . . . . . . 6.25V
DC Output Current . . . . . . . . . . . . . . . . . . . . . . .5.0mA
2
8-lead TSSOP
8-lead SOIC
AT93C86A Automotive [DATASHEET]
Atmel-5096G-SEEPROM-AT93C86A-Automotive-Datasheet_022016
*Notice: Stresses beyond those listed under “Absolute
Maximum Ratings” may cause permanent damage
to the device. This is a stress rating only, and
functional operation of the device at these or any
other conditions beyond those indicated in the
operational sections of this specification is not
implied. Exposure to absolute maximum rating
conditions for extended periods may affect device
reliability.
3.
Block Diagram
Figure 3-1.
Block Diagram
VCC
GND
Memory Array
ORG
2,048 x 8
or
1,024 x 16
Address
Decoder
Data
Register
Output
Buffer
DI
CS
SK
Note:
Mode Decode
Logic
Clock
Generator
DO
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 1M pull-up, then the x16 organization is selected.
AT93C86A Automotive [DATASHEET]
Atmel-5096G-SEEPROM-AT93C86A-Automotive-Datasheet_022016
3
4.
Memory Organization
4.1
Pin Capacitance
Table 4-1.
Pin Capacitance(1)
Applicable over recommended operating range from TA = 25C, f = 1.0 MHz, VCC = +5.0V (unless otherwise noted).
Symbol
Test Conditions
COUT
CIN
Note:
4.2
1.
Max
Units
Conditions
Output Capacitance (DO)
5
pF
VOUT = 0V
Input Capacitance (CS, SK, DI)
5
pF
VIN = 0V
This parameter is characterized and is not 100% tested.
DC Characteristics
Table 4-2.
DC Characteristics
Applicable over recommended operating range from: TA = –40C to +125C, VCC = +2.7V to +5.5V (unless otherwise noted).
Symbol
Parameter
VCC1
Supply Voltage
VCC2
Supply Voltage
ICC
Supply Current
VCC = 5.0V
ISB1
Standby Current
ISB2
Min
Typ
Max
Unit
2.7
5.5
V
4.5
5.5
V
READ at 1.0MHz
0.5
2.0
mA
WRITE at 1.0MHz
0.5
2.0
mA
VCC = 2.7V
CS = 0V
6.0
10.0
μA
Standby Current
VCC = 5.0V
CS = 0V
10.0
15.0
μA
IIL
Input Leakage
VIN = 0V to VCC
0.1
3.0
μA
IOL
Output Leakage
VIN = 0V to VCC
0.1
3.0
μA
VIL1(1)
Input Low Voltage
0.6
0.8
V
VIH1(1)
Input High Voltage
2.0
VCC + 1
V
VOL1
Output Low Voltage
0.4
V
VOH1
Output High Voltage
Note:
4
Test Condition
1.
2.7V VCC  5.5V
2.7V  VCC  5.5V
IOL = 2.1mA
IOH = –0.4mA
VIL min and VIH max are reference only and are not tested.
AT93C86A Automotive [DATASHEET]
Atmel-5096G-SEEPROM-AT93C86A-Automotive-Datasheet_022016
2.4
V
4.3
AC Characteristics
Table 4-3.
AC Characteristics
Applicable over recommended operating range from TA = -40C to +125C, VCC = As Specified,
CL = 1 TTL Gate and 100pF (unless otherwise noted).
Symbol
Parameter
fSK
SK Clock Frequency
tSKH
SK High Time
tSKL
SK Low Time
tCS
Minimum CS
Low Time
tCSS
CS Setup Time
tDIS
DI Setup Time
tCSH
CS Hold Time
Relative to SK
tDIH
DI Hold Time
Relative to SK
tPD1
Output Delay to ‘1’
tPD0
Output Delay to ‘0’
tSV
CS to Status Valid
tDF
CS to DO in
High-impedance
tWP
Write Cycle Time
Endurance(1)
5.0V, 25°C
Note:
1.
Test Condition
Min
Typ
Max
4.5V  VCC  5.5V
0
2
2.7V  VCC  5.5V
0
1
4.5V  VCC  5.5V
250
2.7V  VCC  5.5V
250
4.5V  VCC  5.5V
250
2.7V  VCC  5.5V
250
4.5V  VCC  5.5V
250
2.7V  VCC  5.5V
250
Relative to SK
Relative to SK
MHz
ns
ns
ns
4.5V  VCC  5.5V
50
2.7V  VCC  5.5V
50
4.5V  VCC  5.5V
100
2.7V  VCC  5.5V
100
ns
ns
0
4.5V  VCC  5.5V
100
2.7V  VCC  5.5V
100
ns
ns
4.5V  VCC  5.5V
250
2.7V  VCC  5.5V
500
4.5V  VCC  5.5V
250
2.7V  VCC  5.5V
500
4.5V  VCC  5.5V
250
2.7V  VCC  5.5V
250
AC Test
4.5V  VCC  5.5V
100
CS = VIL
2.7V  VCC  5.5V
150
AC Test
AC Test
AC Test
Units
2.7V  VCC  5.5V
ns
ns
ns
ns
0.1
1,000,000
4
10
ms
Write Cycles
This parameter is characterized and is not 100% tested.
AT93C86A Automotive [DATASHEET]
Atmel-5096G-SEEPROM-AT93C86A-Automotive-Datasheet_022016
5
5.
Instruction Set for the AT93C86A
Table 5-1.
Instruction Set for the AT93C86A
Address
Instruction
6
Data
SB
Opcode
x8
x16
READ
1
10
A10 – A0
A9 – A0
EWEN
1
00
11XXXXXXXXX
11XXXXXXXX
ERASE
1
11
A10 – A0
A9 – A0
WRITE
1
01
A10 – A0
A9 – A0
ERAL
1
00
10XXXXXXXXX
10XXXXXXXX
Erases all memory
locations. Valid only at
VCC = 4.5V to 5.5V.
Writes all memory
locations. Valid when
VCC = 4.5V to 5.5V and
Disable Register cleared.
WRAL
1
00
01XXXXXXXXX
01XXXXXXXX
EWDS
1
00
00XXXXXXXXX
00XXXXXXXX
AT93C86A Automotive [DATASHEET]
Atmel-5096G-SEEPROM-AT93C86A-Automotive-Datasheet_022016
x8
x16
Comments
Reads data stored in
memory, at specified
address.
Write enable must precede
all programming modes.
Erases memory location
An – A0.
D7 – D0
D7 – D0
D15 – D0
D15 – D0
Writes memory location
An – A0.
Disables all programming
instructions.
6.
Functional Description
The AT93C86A is accessed via a simple and versatile 3-wire serial communication interface. The device
operation is controlled by seven instructions issued by the host processor. A valid instruction starts with a rising
edge of CS and consists of a Start Bit (Logic 1) followed by the appropriate Opcode and the desired memory
address location.
READ: The READ instruction contains the address code for the memory location to be read. After the
instruction and address are decoded, data from the selected memory location is available at the Serial Output
(DO) pin. Output data changes are synchronized with the rising edges of Serial Clock (SK). The AT93C86A
supports sequential Read operations. The device will automatically increment the internal address pointer and
clock out the next memory location as long as CS is held high. In this case, the dummy bit (Logic 0) will not be
clocked out between memory locations, thus allowing for a continuous stream of data to be read.
Note:
A dummy bit (Logic 0) precedes the 8- or 16-bit data output string.
Figure 6-1.
READ Timing
tCS
CS
SK
DI
1
1
0
AN
A0
High-impedance
DO
0
DN
D0
ERASE/WRITE (EWEN): To assure data integrity, the part automatically goes into the Erase/Write Disable
(EWDS) state when power is first applied. An EWEN instruction must be executed first before any programming
instructions can be carried out.
Note:
Once in the EWEN state, programming remains enabled until an EWDS instruction is executed or VCC
power is removed from the part.
Figure 6-2.
EWEN Timing
tCS
CS
SK
DI
1
0
0
1
1
...
AT93C86A Automotive [DATASHEET]
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7
ERASE: The ERASE instruction programs all bits in the specified memory location to the Logic 1 state. The
self-timed erase cycle starts once the ERASE instruction and address are decoded. The DO pin outputs the
Ready/Busy status of the part if CS is brought high after being kept low for a minimum of 250ns (tCS). A Logic 1
at DO pin indicates the selected memory location has been erased, and the part is ready for another instruction.
Figure 6-3.
ERASE Timing
tCS
CS
Standby
Check
Status
SK
DI
1
1
1
AN
AN-1
AN-2
...
A0
tDF
tSV
DO
High-impedance
High-impedance
Busy
Ready
tWP
WRITE: The WRITE instruction contains the 8 or 16 bits of data to be written into the specified memory location.
The self-timed programming cycle tWP starts after the last bit of data is received at Serial Data Input (DI) pin. The
DO pin outputs the Ready/Busy status of the part if CS is brought high after being kept low for a minimum of
250ns (tCS). A Logic 0 at DO indicates that the programming is still in progress. A Logic 1 indicates that the
memory location at the specified address has been written with the data pattern contained in the instruction and
the part is ready for further instructions. A Ready/Busy status cannot be obtained if the CS is brought high after
the end of the self-timed programming cycle tWP.
Figure 6-4.
WRITE Timing
tCS
CS
SK
DI
DO
1
0
1
AN
...
A0
DN
...
D0
High-impedance
Busy
tWP
8
AT93C86A Automotive [DATASHEET]
Atmel-5096G-SEEPROM-AT93C86A-Automotive-Datasheet_022016
Ready
ERASE ALL (ERAL): The ERAL instruction programs every bit in the memory array to the Logic 1 state and is
primarily used for testing purposes. The DO pin outputs the Ready/Busy status of the part if CS is brought high
after being kept low for a minimum of 250ns (tCS). The ERAL instruction is valid only at VCC = 5.0V 10%.
Figure 6-5.
ERAL Timing(1)
tCS
Standby
Check
Status
CS
SK
1
DI
0
0
1
0
tDH
tSV
High-impedance
DO
High-impedance
Busy
Ready
tWP
Note:
1.
Valid only at VCC = 4.5V to 5.5V.
WRITE ALL (WRAL): The WRAL instruction programs all memory locations with the data patterns specified in
the instruction. The DO pin outputs the Ready/Busy status of the part if CS is brought high after being kept low
for a minimum of 250ns (tCS). The WRAL instruction is valid only at VCC = 5.0V ±10%.
Figure 6-6.
WRAL Timing(1)
tCS
CS
SK
1
DI
0
0
0
1
...
DN
...
D0
High-impedance
DO
Busy
Ready
tWP
Note:
1.
Valid only at VCC = 4.5V to 5.5V.
AT93C86A Automotive [DATASHEET]
Atmel-5096G-SEEPROM-AT93C86A-Automotive-Datasheet_022016
9
ERASE/WRITE DISABLE (EWDS): To protect against accidental data disturbance, the EWDS instruction
disables all programming modes and should be executed after all programming operations. The operation of the
READ instruction is independent of both the EWEN and EWDS instructions and can be executed at any time.
Figure 6-7.
EWDS Timing
tCS
CS
SK
DI
10
1
0
0
0
0
AT93C86A Automotive [DATASHEET]
Atmel-5096G-SEEPROM-AT93C86A-Automotive-Datasheet_022016
...
7.
Timing Diagrams
Figure 7-1.
Synchronous Data Timing
CS
SK
VIH
1µs (1)
VIL
tSKL
VIL
tDIH
VIH
VIL
tPD0
DO (Read)
tPD1
VOL
tDF
VOH
Status Valid
VOL
Note:
1.
Table 7-1.
tDF
VOH
tSV
DO (Program)
tCSH
VIH
tDIS
DI
tSKH
tCSS
This is the minimum SK period.
Organization Key for Timing Diagrams
AT93C86A (16K)
7.1
I/O
x8
x16
AN
A10
A9
DN
D7
D15
Power Recommendation
The device internal POR (Power-On Reset) threshold is just below the minimum device operating voltage.
Power shall rise monotonically from 0.0Vdc to full VCC in less than 1ms. Hold at full VCC for at least 100μs before
the first operation. Power shall drop from full VCC to 0.0Vdc in less than 1ms. Power dropping to a non-zero level
and then slowly going to zero is not recommended. Power shall remain off (0.0Vdc) for 0.5s minimum. Please
consult Atmel if your power conditions do not meet the above recommendations.
AT93C86A Automotive [DATASHEET]
Atmel-5096G-SEEPROM-AT93C86A-Automotive-Datasheet_022016
11
8.
Ordering Information
8.1
Ordering Code Detail
AT 9 3 C 8 6 A - 1 0 S Q - 2.7
Operating Voltage
Atmel Designator
M = 2.7V to 5.5V
Product Family
93C = 3-Wire Compatible
Automotive Grade Serial EEPROM
Package Device Grade
Q = Lead-free/Halogen-free
Automotive Temperature Range
(-40°C to +125°C)
Device Density
86 = 16 kilobit
Package Option
S = JEDEC SOIC
T = TSSOP
Device Revision
Speed Type
10 = Default Value
Note: This field is not used for
Serial EEPROM products.
8.2
Atmel Ordering Code Information
Delivery Information
Ordering Code
Lead Finish
AT93C86A-10SQ-2.7
AT93C86A-10TQ-2.7
Lead-free
Halogen-free
Package
Form
8S1
8X
Tape and Reel
Quantity
Operation Range
4,000 per Reel
Automotive
Temperature
(-40C to 125C)
5,000 per Reel
Package Type
12
8S1
8-lead, 0.150" wide body, Plastic Gull Wing Small Outline (JEDEC SOIC)
8X
8-lead, 4.4mm body, Plastic Thin Shrink Small Outline Package (TSSOP)
AT93C86A Automotive [DATASHEET]
Atmel-5096G-SEEPROM-AT93C86A-Automotive-Datasheet_022016
9.
Part Markings
AT93C86A: Automotive Package Marking Information
8-lead TSSOP
8-lead SOIC
ATMELYWW
93C86A
SQ%%
Q%
AT###
Note: Lot Number, location of assembly and
YWW date code on the bottom side of
the package.
Note: Lot Number and location of assembly
on the bottom side of the package.
Note 1:
designates pin 1
Note 2: Package drawings are not to scale
Catalog Number Truncation
AT93C86A
Truncation Code ###: 86A
Date Codes
Y = Year
4: 2014
5: 2015
6: 2016
7: 2017
Voltages
8: 2018
9: 2019
0: 2020
1: 2021
M = Month
A: January
B: February
...
L: December
WW = Work Week of Assembly
02: Week 2
04: Week 4
...
52: Week 52
% = Minimum Voltage
3 or 27: 2.7V min
Country of Assembly
Lot Number
Grade/Lead Finish Material
@ = Country of Assembly
AAA...A = Atmel Wafer Lot Number
Q:
Trace Code
Automotive /Matte Tin/SnAgCu
Atmel Truncation
XX = Trace Code (Atmel Lot Numbers Correspond to Code)
Example: AA, AB.... YZ, ZZ
AT: Atmel
ATM: Atmel
ATML: Atmel
3/13/14
TITLE
Package Mark Contact:
[email protected]
93C86AAM, AT93C86A Automotive Package Marking
Information
DRAWING NO.
REV.
93C86AAM
A
AT93C86A Automotive [DATASHEET]
Atmel-5096G-SEEPROM-AT93C86A-Automotive-Datasheet_022016
13
10.
Packaging Information
10.1
8S1 — 8-lead JEDEC SOIC
C
1
E
E1
L
N
Ø
TOP VIEW
END VIEW
e
b
COMMON DIMENSIONS
(Unit of Measure = mm)
A
A1
D
SIDE VIEW
Notes: This drawing is for general information only.
Refer to JEDEC Drawing MS-012, Variation AA
for proper dimensions, tolerances, datums, etc.
MIN
NOM
MAX
–
–
1.75
A1
0.10
–
0.25
b
0.31
–
0.51
C
0.17
–
0.25
SYMBOL
A
D
4.90 BSC
E
6.00 BSC
E1
3.90 BSC
e
1.27 BSC
L
0.40
–
1.27
Ø
0°
–
8°
NOTE
3/6/2015
Package Drawing Contact:
[email protected]
14
TITLE
8S1, 8-lead (0.150” Wide Body), Plastic Gull Wing
Small Outline (JEDEC SOIC)
AT93C86A Automotive [DATASHEET]
Atmel-5096G-SEEPROM-AT93C86A-Automotive-Datasheet_022016
GPC
SWB
DRAWING NO.
REV.
8S1
H
10.2
8X — 8-lead TSSOP
C
1
Pin 1 indicator
this corner
E1
E
L1
N
L
Top View
End View
A
b
A1
e
COMMON DIMENSIONS
(Unit of Measure = mm)
A2
D
SYMBOL
Side View
Notes:
A
1. This drawing is for general information only.
Refer to JEDEC Drawing MO-153, Variation AA, for proper
dimensions, tolerances, datums, etc.
2. Dimension D does not include mold Flash, protrusions or gate
burrs. Mold Flash, protrusions and gate burrs shall not exceed
0.15mm (0.006in) per side.
3. Dimension E1 does not include inter-lead Flash or protrusions.
Inter-lead Flash and protrusions shall not exceed 0.25mm
(0.010in) per side.
4. Dimension b does not include Dambar protrusion.
Allowable Dambar protrusion shall be 0.08mm total in excess
of the b dimension at maximum material condition. Dambar
cannot be located on the lower radius of the foot. Minimum
space between protrusion and adjacent lead is 0.07mm.
5. Dimension D and E1 to be determined at Datum Plane H.
MIN
NOM
MAX
-
-
1.20
NOTE
A1
0.05
-
0.15
A2
0.80
1.00
1.05
D
2.90
3.00
3.10
2, 5
4.40
4.50
3, 5
0.25
0.30
4
E
6.40 BSC
E1
4.30
b
0.19
e
L
0.65 BSC
0.45
L1
C
0.60
0.75
1.00 REF
0.09
-
0.20
2/27/14
TITLE
Package Drawing Contact:
[email protected]
GPC
8X, 8-lead 4.4mm Body, Plastic Thin
Shrink Small Outline Package (TSSOP)
TNR
DRAWING NO.
8X
AT93C86A Automotive [DATASHEET]
Atmel-5096G-SEEPROM-AT93C86A-Automotive-Datasheet_022016
REV.
E
15
11.
16
Revision History
Doc. Rev.
Date
Comments
5096G
02/2016
Updated 8S1 package drawing and ordering information layout. Added the section,
“Power Recommendation”.
5096F
10/2014
Updated packages 8S1 and 8A2 to 8X, template, Atmel logos, and disclaimer page.
No change in functional specification.
5096E
01/2008
5096D
02/2007
5096C
09/2006
Moved to new template.
Replaced Table 5 with correct version.
Removed PDIP package offering.
Removed Pb’d part numbers.
Revision history implemented; Removed ‘Preliminary’ status from datasheet.
AT93C86A Automotive [DATASHEET]
Atmel-5096G-SEEPROM-AT93C86A-Automotive-Datasheet_022016
XXXXXX
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