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AT25010-10PC-2.7

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16
AT25010/020/040
4
AC Characteristics
Applicable over recommended operating range from T
A
= -40°C to +85°C, V
CC
= As Specified,
CL = 1 TTL Gate and 100 pF (unless otherwise noted).
Symbol Parameter Voltage Min Max Units
f
SCK
SCK Clock Frequency
4.5 - 5.5
2.7 - 5.5
1.8 - 3.6
0
0
0
2.1
2.1
0.5
MHz
t
RI
Input Rise Time
4.5 - 5.5
2.7 - 5.5
1.8 - 3.6
2
2
2
µ
s
t
FI
Input Fall Time
4.5 - 5.5
2.7 - 5.5
1.8 - 3.6
2
2
2
µ
s
t
WH
SCK High Time
4.5 - 5.5
2.7 - 5.5
1.8 - 3.6
200
200
800
ns
t
WL
SCK Low Time
4.5 - 5.5
2.7 - 5.5
1.8 - 3.6
200
200
800
ns
t
CS
CS High Time
4.5 - 5.5
2.7 - 5.5
1.8 - 3.6
250
250
1000
ns
t
CSS
CS Setup Time
4.5 - 5.5
2.7 - 5.5
1.8 - 3.6
250
250
1000
ns
t
CSH
CS Hold Time
4.5 - 5.5
2.7 - 5.5
1.8 - 3.6
250
250
1000
ns
t
SU
Data In Setup Time
4.5 - 5.5
2.7 - 5.5
1.8 - 3.6
50
50
100
ns
t
H
Data In Hold Time
4.5 - 5.5
2.7 - 5.5
1.8 - 3.6
50
100
100
ns
t
HD
Hold Setup Time
4.5 - 5.5
2.7 - 5.5
1.8 - 3.6
100
100
400
ns
t
CD
Hold Hold Time
4.5 - 5.5
2.7 - 5.5
1.8 - 3.6
200
200
400
ns
t
V
Output Valid
4.5 - 5.5
2.7 - 5.5
1.8 - 3.6
0
0
0
200
400
800
ns
t
HO
Output Hold Time
4.5 - 5.5
2.7 - 5.5
1.8 - 3.6
0
0
0
ns
AT25010/020/040
5
Note: 1. This parameter is characterized and is not 100% tested.
t
LZ
Hold to Output Low Z
4.5 - 5.5
2.7 - 5.5
1.8 - 3.6
0
0
0
100
100
100
ns
t
HZ
Hold to Output High Z
4.5 - 5.5
2.7 - 5.5
1.8 - 3.6
100
100
100
ns
t
DIS
Output Disable Time
4.5 - 5.5
2.7 - 5.5
1.8 - 3.6
250
500
1000
ns
t
WC
Write Cycle Time
4.5 - 5.5
2.7 - 5.5
1.8 - 3.6
10
ms
Endurance 5.0V, 25°C, Page Mode 1M Write Cycles
AC Characteristics (Continued)
Applicable over recommended operating range from T
A
= -40°C to +85°C, V
CC
= As Specified,
CL = 1 TTL Gate and 100 pF (unless otherwise noted).
Symbol Parameter Voltage Min Max Units
AT25010/020/040
6
Serial Interface Description
MASTER:
The device that generates the serial clock.
SLAVE:
Because the Serial Clock pin (SCK) is always an
input, the AT25010/020/040 always operates as a slave.
TRANSMITTER/RECEIVER:
The AT25010/020/040 has
separate pins designated for data transmission (SO) and
reception (SI).
MSB:
The Most Significant Bit (MSB) is the first bit
transmitted and received.
SERIAL OP-CODE:
After the device is selected with CS
going low, the first byte will be received. This byte contains
the op-code that defines the operations to be performed.
The op-code also contains address bit A8 in both the
READ and WRITE instructions.
INVALID OP-CODE:
If an 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 of CS
is detected again. This will reini-
tialize the serial communication.
CHIP SELECT:
The AT25010/020/040 is selected when
the CS
pin is low. When the device is not selected, data will
not be accepted via the SI pin, and the serial output pin
(SO) will remain in a high impedance state.
HOLD:
The HOLD
pin is used in conjunction with the CS
pin to select the AT25010/020/040. When the device is
selected and a serial sequence is underway, HOLD
can be
used to pause the serial communication with the master
device without resetting the serial sequence. To pause, the
HOLD
pin must be brought low while the SCK pin is low. To
resume serial communication, the HOLD
pin is brought
high while the SCK pin is low (SCK may still toggle during
HOLD
). Inputs to the SI pin will be ignored while the SO pin
is in the high impedance state.
WRITE PROTECT:
The write protect pin (WP
) will allow
normal read/write operations when held high. When the
WP
pin is brought low, all write operations are inhibited.
WP
going low while CS is still low will interrupt a write to the
AT25010/020/040. If the internal write cycle has already
been initiated, WP
going low will have no effect on any
write operation.
SPI Serial Interface
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16

AT25010-10PC-2.7

Mfr. #:
Buy AT25010-10PC-2.7
Manufacturer:
Description:
IC EEPROM 1K SPI 3MHZ 8DIP
Lifecycle:
New from this manufacturer.
Delivery:
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