LE25LA642CS

Pin Assignment

Pin Descriptions

PIN.1

WP

Write protect

PIN.2

VSS

Ground

PIN.3

VDD

Power supply

PIN.4

CS

Chip select

PIN.5

HOLD

Hold

PIN.6

SO

Serial data output

PIN.7

SI

Serial data input

PIN.8

SCK

Serial clock

No.NA1473-2/14

Block Diagram

ADDRESS

BUFFERS

&

LATCHES

X-

DECODER

EEPROM

Cell Array

Y-DECODER

I/O BUFFERS

&

DATA LATCHES

CONTROL

LOGIC

SERIAL INTERFACE

CS

SCK

SI

SO

WP

HOLD

Specifications

Absolute Maximum Rating/If an electrical stress exceeding the maximum rating is applied, the device may be damaged.

Parameter

Symbol

Conditions

Ratings

Unit

Storage temperature

-65 to +150

°C

Supply voltage

-0.5 to 4.6

V

DC input voltage

-0.5 to VDD+0.5

V

Overshoot voltage (below 20ns)

-1.0 to VDD+1.0

V

Operating Conditions

Parameter

Symbol

Conditions

Ratings

Unit

Operating temperature (at read)

-40 to +85

°C

Operating temperature (at write)

-20 to +85

°C

Operating supply voltage

1.8 to 3.6

V

DC Electrical Characteristics

Parameter

Symbol

Conditions

min

typ

max

Unit

CS = 0.1VDD, HOLD = WP = 0.9VDD

SI = 0.1VDD/0.9VDD, SO = Open

Operating frequency = 3MHz, VDD = 3.6V

3

mA

Supply current when reading

ICCR

CS = 0.1VDD, HOLD = WP = 0.9VDD

SI = 0.1VDD/0.9VDD, SO = Open

Operating frequency = 2MHz, VDD = 2.5V

2

mA

Supply current when writing

ICCW

VDD = VDD Max

3

mA

CMOS standby current

ISB

VIN = VDD or VSS, VDD = VDD Max

2

μA

Input leakage current

ILI

VIN = VSS to VDD, VDD = VDD max.

-2

2

μA

Output leakage current

ILO

VIN = VSS to VDD, VDD = VDD max.

-2

2

μA

1

2.01 x 1.06

Bottom view

2

3

6

8

4

75