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PDF AT25HP256C1-10CI-2.7 Data sheet ( Hoja de datos )
| Número de pieza | AT25HP256C1-10CI-2.7 | |
| Descripción | SPI Serial EEPROMs | |
| Fabricantes | ATMEL Corporation | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AT25HP256C1-10CI-2.7 (archivo pdf) en la parte inferior de esta página. Total 15 Páginas | ||
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Features
• Serial Peripheral Interface (SPI) Compatible
• Supports SPI Modes 0 (0,0) and 3 (1,1)
• 10 MHz Clock Rate
• 128-Byte Page Mode Only for Write Operations
• Low-Voltage and Standard-Voltage Operation
– 5.0 (VCC = 4.5V to 5.5V)
– 2.7 (VCC = 2.7V to 5.5V)
– 1.8 (VCC = 1.8V to 3.6V)
• Block Write Protection
– Protect 1/4, 1/2, or Entire Array
• Write Protect (WP) Pin and Write Disable Instructions for
Both Hardware and Software Data Protection
• High Reliability
– Endurance: 100K Write Cycles
– Data Retention: > 40 Years
– ESD Protection: > 3000V
• 8-Pin PDIP, 8-Pin EIAJ SOIC, and 8-Pin Leadless Array Package
Description
The AT25HP256/512 provides 262,144/524,288 bits of serial electrically erasable pro-
grammable read only memory (EEPROM) organized as 32,768/65,536 words of 8-bits
each. The device is optimized for use in many industrial and commercial applications
where high-speed, low-power, and low-voltage operation are essential. The
AT25HP256/512 is available in a space saving 8-pin PDIP (AT25HP256/512), 8-pin
EIAJ SOIC (AT25HP256), and 8-pin Leadless Array (AT25HP256/512) packages. In
(continued)
SPI Serial
EEPROMs
256K (32,768 x 8)
512K (65,536 x 8)
AT25HP256
AT25HP512
Preliminary
Pin Configurations
Pin Name
CS
SCK
SI
SO
GND
VCC
WP
HOLD
Function
Chip Select
Serial Data Clock
Serial Data Input
Serial Data Output
Ground
Power Supply
Write Protect
Suspends Serial Input
8-Pin PDIP
CS
SO
WP
GND
1
2
3
4
8 VCC
7 HOLD
6 SCK
5 SI
8-Pin SOIC
CS
SO
WP
GND
1
2
3
4
8 VCC
7 HOLD
6 SCK
5 SI
8-Pin Leadless Array
VCC 8
HOLD 7
SCK 6
SI 5
1 CS
2 SO
3 WP
4 GND
Bottom View
Rev. 1113B–07/98
1
1 page  
AT25HP256/512
AC Characteristics (Continued)
Applicable over recommended operating range from TA = -40°C to +85°C, VCC = As Specified,
CL = 1 TTL Gate and 30 pF (unless otherwise noted).
Symbol
Parameter
Voltage
Min
Max Units
tLZ Hold to Output Low Z
4.5 - 5.5
2.7 - 5.5
1.8 - 3.6
0 100
0 200 ns
0 TBD
tHZ Hold to Output High Z
4.5 - 5.5
2.7 - 5.5
1.8 - 3.6
100
200
TBD
ns
tDIS Output Disable Time
4.5 - 5.5
2.7 - 5.5
1.8 - 3.6
100
100
TBD
ns
tWC Write Cycle Time
4.5 - 5.5
2.7 - 5.5
1.8 - 3.6
5
10
TBD
ms
Endurance(1) 5.0V, 25°C, Page Mode
4.5 - 5.5
2.7 - 5.5
1.8 - 3.6
100K
Write
Cycles
Note: 1. This parameter is characterized and is not 100% tested.
5
5 Page 
AT25HP256/512
WRITE Timing (AT25HP256)
CS
SCK
SI
0 1 2 3 4 5 6 7 8 9 10 11 20 21 22 23 24 25 26 27 28 29 30 31
INSTRUCTION
BYTE ADDRESS
1ST BYTE DATA IN
15 14 13 ... 3 2 1 0 7 6 5 4 3 2 1 0
HIGH IMPEDANCE
SO
11
11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet AT25HP256C1-10CI-2.7.PDF ] | |
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