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25AA256T-I/ST 其他数据使用手册 - Microchip（微芯）
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Microchip（微芯）
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EEPROM芯片
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TSSOP-8
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256K SPI总线串行EEPROM 256K SPI Bus Serial EEPROM
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25AA256T-I/ST数据手册
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2003-2019 Microchip Technology Inc. DS20001822H-page 2
25AA256/25LC256
1.0 ELECTRICAL CHARACTERISTICS
Absolute Maximum Ratings
(†)
VCC.............................................................................................................................................................................6.5V
All inputs and outputs w.r.t. V
SS ..........................................................................................................-0.6V to VCC +1.0V
Storage temperature ................................................................................................................................. -65°C to 150°C
Ambient temperature under bias............................................................................................................... -40°C to 125°C
ESD protection on all pins.......................................................................................................................................... 4 kV
TABLE 1-1: DC CHARACTERISTICS
† NOTICE: Stresses above 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 those or any other conditions above those
indicated in the operational listings of this specification is not implied. Exposure to maximum rating conditions for an
extended period of time may affect device reliability.
DC CHARACTERISTICS
Industrial (I): TA = -40°C to +85°C VCC = 1.8V to 5.5V
Extended (E): T
A = -40°C to +125°C VCC = 1.8V to 5.5V
Param.
No.
Sym. Characteristic Min. Typ.
(2)
Max. Units Test Conditions
D001 VIH High-level input
voltage
0.7 VCC —VCC +1 V
D002 V
IL Low-level input
voltage
-0.3 — 0.3 VCC VVCC2.5V
D003 VIL -0.3 — 0.2 VCC VVCC < 2.5V
D004 V
OL Low-level output
voltage
——0.4VIOL = 2.1 mA, VCC = 4.5V
D005 VOL ——0.2VIOL = 1.0 mA, VCC = 2.5V
D006 VOH High-level output
voltage
VCC -0.5 — — V IOH = -400 A
D007 ILI Input leakage current — — ±1 ACS = VCC, VIN = VSS OR VCC
D008 ILO Output leakage
current
——±1ACS = VCC, VOUT = VSS OR VCC
D009 CINT Internal Capacitance
(all inputs and
outputs)
——7pFTA = 25°C, FCLK = 1.0 MHz,
V
CC = 5.0V (Note 1)
D010 I
CC Read
Operating Current
—
—
2.5
0.5
6
2.5
mA
mA
VCC = 5.5V; FCLK = 10.0 MHz;
SO = Open
V
CC = 2.5V; FCLK = 5.0 MHz;
SO = Open
D011 I
CC Write —
—
0.6
0.15
5
3
mA
mA
VCC = 5.5V
V
CC = 2.5V
D012 I
CCS
Standby Current
—
—
0.1 5
1
A
A
CS
= VCC = 5.5V, Inputs tied to VCC
or V
SS, 125°C
CS
= VCC = 5.5V, Inputs tied to VCC
or V
SS, 85°C
Note 1: This parameter is periodically sampled and not 100% tested.
2: Typical measurements taken at room temperature (25°C).
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