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25LC128T-I/ST 其他数据使用手册 - Microchip（微芯）
制造商:
Microchip（微芯）
分类:
存储芯片
封装:
TSSOP-8
描述:
128 K SPI总线 串行EEPROM
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25LC128T-I/ST数据手册
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2003-2019 Microchip Technology Inc. DS20001831F-page 4
25AA128/25LC128
16 THS HOLD Setup Time 20 — ns 4.5V Vcc 5.5V
40 — ns 2.5V Vcc 4.5V
80 — ns 1.8V Vcc 2.5V
17 T
HH HOLD Hold Time 20 — ns 4.5V Vcc 5.5V
40 — ns 2.5V Vcc 4.5V
80 — ns 1.8V Vcc 2.5V
18 T
HZ HOLD Low to Output
High-Z
—30ns4.5V Vcc 5.5V (Note 1)
—60ns2.5V Vcc 4.5V (Note 1)
— 160 ns 1.8V Vcc 2.5V (Note 1)
19 T
HV HOLD High to Output
Valid
—30ns4.5V Vcc 5.5V
—60ns2.5V Vcc 4.5V
— 160 ns 1.8V Vcc 2.5V
20 T
WC Internal Write Cycle Time — 5 ms Note 2
21 Endurance 1,000,000 — E/W
Cycles
Page mode, 25°C, V
CC = 5.5V
(Note 3)
TABLE 1-2: AC CHARACTERISTICS (CONTINUED)
AC CHARACTERISTICS
Industrial (I): T
A = -40°C to +85°C VCC = 1.8V to 5.5V
Extended (E): T
A = -40°C to +125°C VCC = 2.5V to 5.5V
Param.
No.
Symbol Characteristic Min. Max. Units Conditions
Note 1: This parameter is periodically sampled and not 100% tested.
2: T
WC begins on the rising edge of CS after a valid write sequence and ends when the internal write cycle is
complete.
3: This parameter is not tested but ensured by characterization. For endurance estimates in a specific
application, please consult the Total Endurance™ Model which can be obtained from Microchip’s website:
www.microchip.com.
TABLE 1-1: AC TEST CONDITIONS
AC Waveform:
VLO = 0.2V
VHI = VCC - 0.2V Note 1
V
HI = 4.0V Note 2
CL = 50 pF
Timing Measurement Reference Level
Input 0.5 V
CC
Output 0.5 VCC
Note 1: For VCC 4.0V
2: For V
CC > 4.0V
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