AT25010-10PC-1.8 ATMEL [ATMEL Corporation], AT25010-10PC-1.8 Datasheet

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AT25010-10PC-1.8

Manufacturer Part Number
AT25010-10PC-1.8
Description
SPI Serial EEPROMs
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
Features
Description
The AT25010/020/040 provides 1024/2048/4096 bits of serial electrically erasable
programmable read only memory (EEPROM) organized as 128/256/512 words of 8
bits each. The device is optimized for use in many industrial and commercial applica-
tions where low power and low voltage operation are essential. The AT25010/020/040
is available in space saving 8-pin PDIP and 8-pin JEDEC (SOIC) packages.
The AT25010/020/040 is enabled through the Chip Select pin (CS) and accessed via
a 3-wire interface consisting of Serial Data Input (SI), Serial Data Output (SO), and
Serial Clock (SCK). All programming cycles are completely self-timed, and no sepa-
rate ERASE cycle is required before WRITE.
BLOCK WRITE protection is enabled by programming the status register with one of
four blocks of write protection. Separate program enable and program disable instruc-
tions are provided for additional data protection. Hardware data protection is provided
via the WP pin to protect against inadvertent write attempts. The HOLD pin may be
used to suspend any serial communication without resetting the serial sequence.
Pin Configurations
Pin Name
CS
SCK
SI
SO
GND
VCC
WP
HOLD
Serial Peripheral Interface (SPI) Compatible
Supports SPI Modes 0(0,0) and 3(1,1)
Low-Voltage and Standard-Voltage Operation
2.1 MHz Clock Rate (5V) Compatibility
8-Byte Page Mode
Block Write Protection
Write Protect (WP) Pin and Write Disable Instructions for
Both Hardware and Software Data Protection
Self-Timed Write Cycle (10 ms Max)
High Reliability
Automotive Grade and Extended Temperature Devices Available
8-Pin PDIP and JEDEC SOIC Packages
– 5.0 (V
– 2.7 (V
– 1.8 (V
– Protect 1/4, 1/2, or Entire Array
– Endurance: 1 Million Write Cycles
– Data Retention: 100 Years
– ESD Protection: >4000V
CC
CC
CC
Function
Chip Select
Serial Data Clock
Serial Data Input
Serial Data Output
Ground
Power Supply
Write Protect
Suspends Serial Input
= 4.5V to 5.5V)
= 2.7V to 5.5V)
= 1.8V to 3.6V)
GND
WP
CS
SO
GND
WP
CS
SO
1
2
3
4
8-Pin SOIC
8-Pin PDIP
1
2
3
4
8
7
6
5
8
7
6
5
VCC
HOLD
SCK
SI
VCC
HOLD
SCK
SI
SPI Serial
EEPROMs
1K (128 x 8)
2K (256 x 8)
4K (512 x 8)
AT25010
AT25020
AT25040
SPI, 1K Serial
E
2
PROM
Rev. 0606E–08/98
1

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AT25010-10PC-1.8 Summary of contents

Page 1

... The AT25010/020/040 is available in space saving 8-pin PDIP and 8-pin JEDEC (SOIC) packages. The AT25010/020/040 is enabled through the Chip Select pin (CS) and accessed via a 3-wire interface consisting of Serial Data Input (SI), Serial Data Output (SO), and Serial Clock (SCK) ...

Page 2

... Storage Temperature .................................... -65° 150°C Voltage on Any Pin with Respect to Ground ....................................-1. 7.0V Maximum Operating Voltage........................................... 6.25V DC Output Current........................................................ 5.0 mA Block Diagram AT25010/020/040 2 *NOTICE: Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent dam- age to the device. This is a stress rating only and ...

Page 3

Pin Capacitance Applicable over recommended operating range from T Test Conditions C Output Capacitance (SO) OUT C Input Capacitance (CS, SCK, SI HOLD) IN Note: 1. This parameter is characterized and is not 100% tested. DC Characteristics ...

Page 4

... CS Setup Time CSS t CS Hold Time CSH t Data In Setup Time SU t Data In Hold Time H t Hold Setup Time HD t Hold Hold Time CD t Output Valid V t Output Hold Time HO AT25010/020/040 4 = -40°C to +85° Specified Voltage Min 4.5 - 5.5 0 2.7 - 5.5 0 1.8 - 3.6 0 4.5 - 5.5 2.7 - 5.5 1.8 - 3.6 4.5 - 5.5 2.7 - 5.5 1.8 - 3.6 4.5 - 5.5 200 2.7 - 5.5 200 1 ...

Page 5

AC Characteristics (Continued) Applicable over recommended operating range from TTL Gate and 100 pF (unless otherwise noted). Symbol Parameter t Hold to Output Low Hold to Output High Output Disable ...

Page 6

... The op-code also contains address bit A8 in both the READ and WRITE instructions. INVALID OP-CODE invalid op-code is received, no data will be shifted into the AT25010/020/040, and the serial output pin (SO) will remain in a high impedance state until the falling edge detected again. This will reini- tialize the serial communication ...

Page 7

... Functional Description The AT25010/020/040 is designed to interface directly with the synchronous serial peripheral interface (SPI) of the 6805 and 68HC11 series of microcontrollers. The AT25010/020/040 utilizes an 8-bit instruction register. The list of instructions and their operation codes are con- tained in Table 1. All instructions, addresses, and data are transferred with the MSB first and start with a high-to-low CS transition ...

Page 8

... WRITE SEQUENCE (WRITE): In order to program the AT25010/020/040, the Write Protect pin (WP) must be held high and two separate instructions must be executed. First, the device must be write enabled via the Write Enable (WREN) Instruction. Then a Write (WRITE) Instruction may be executed. Also, the address of the memory location( programmed must be outside the protected address field location selected by the Block Write Protection Level ...

Page 9

Timing Diagrams Synchronous Data Timing (for mode CSS V IH SCK HI WREN Timing WRDI Timing ...

Page 10

... RDSR Timing CS 0 SCK SI HIGH IMPEDANCE SO WRSR Timing CS 0 SCK SI HIGH IMPEDANCE SO READ Timing AT25010/020/040 INSTRUCTION 7 MSB INSTRUCTION DATA OUT DATA ...

Page 11

WRITE Timing SCK INSTRUCTION SI HIGH IMPEDANCE SO HOLD Timing CS SCK HOLD BYTE ADDRESS 9TH ...

Page 12

... MAX (kHz) Ordering Code 2000 AT25010-10PC AT25010-10SC 2000 AT25010-10PI AT25010-10SI 1000 AT25010-10PC-2.7 AT25010-10SC-2.7 1000 AT25010-10PI-2.7 AT25010-10SI-2.7 500 AT25010-10PC-1.8 AT25010-10SC-1.8 500 AT25010-10PI-1.8 AT25010-10SI-1.8 Package Type Options Package Operation Range 8P3 Commercial 8S1 ( 8P3 Industrial 8S1 (- 8P3 Commercial ...

Page 13

AT25020 Ordering Information t (max) I (max) I (max (ms 6000 100 100 10 3000 100 100 10 3000 100 100 8P3 8-Lead, 0.300" Wide, Plastic Dual Inline Package (PDIP) 8S1 8-Lead, ...

Page 14

... Wide, Plastic Dual Inline Package (PDIP) 8S1 8-Lead, 0.150" Wide, Plastic Gull Wing Small Outline Package (JEDEC SOIC) Blank Standard Device (4.5V to 5.5V) -2.7 Low Voltage (2.7V to 5.5V) -1.8 Low Voltage (1.8V to 5.5V) AT25010/020/040 14 f MAX (kHz) Ordering Code 2100 AT25040-10PC AT25040N-10SC 2100 AT25040-10PI AT25040N-10SI 2100 AT25040-10PC-2 ...

Page 15

Packaging Information 8P3, 8-Lead, 0.300" Wide, Plastic Dual Inline Package (PDIP) Dimensions in Inches and (Millimeters) JEDEC STANDARD MS-001 BA .400 (10.16) .355 (9.02) PIN 1 .300 (7.62) REF .210 (5.33) MAX .100 (2.54) BSC SEATING PLANE .150 (3.81) .115 ...

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