LE25LA642CS Datasheet, PDF (4/14 Pages) Sanyo Semicon Device – 64Kbit Serial SPI EEPROM

LE25LA642CS
AC Characteristics (at FCLK = 2MHz)/VDD = 1.8V to 3.6V
Parameter
Symbol
Conditions
Clock frequency
FCLK
SCK logic high level pulse width
SCK logic low level pulse width
Input signal rise/fall time
CS setup time
SCK setup time
Data setup time
Data hold time
CS hold time
SCK hold time
CS standby pulse width
CS output high impedance time
SCK output data time
Output data hold time
WP setup time
WP hold time
HOLD setup time
HOLD hold time
HOLD output low impedance time
HOLD output high impedance time
Write cycle time
SCK output low impedance time
tCLHI
tCLLO
tRF
tCSS
tCLS
tDS
tDH
tCSH
tCLH
tCPH
tCHZ
tV
tHO
tWPS
tWPH
tHS
tHH
tHLz
tHHz
tWC
tCLZ
Table 1 Command Settings
Command
1st bus
cycle
2nd bus
cycle
3rd bus
cycle
4th bus
cycle
Write enable
06h
(WREN)
Write disable
04h
(WRDI)
Status register read
05h
(RDSR)
Status register write
01h
DATA
(WRSR)
Read
(READ)
03h
A15-A8
A7-A0
Write
(WRITE)
02h
A15-A8
A7-A0
PD ^*1
Explanatory notes for Table 1
The “h” following each code indicates that the number given is in hexadecimal notation.
Addresses A15 - A13 for all commands are “don’t care.”
*1: “PD” stands for page program data. Any amount of data from 1 to 32 bytes is input.
min
typ
200
200
200
200
40
50
200
200
200
0
30
30
30
30
0
max
2
1
250
150
250
300
10
Unit
MHz
ns
ns
us
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ms
ns
5th bus
cycle
6th bus
cycle
nth bus
cycle
PD ^*1
PD ^*1
PD ^*1
No.NA1473-4/14