M95640 ST Microelectronics, M95640 Datasheet - Page 20

• Manufacturer Part Number: M95640
• Description: 64/32/16/8 Kbit Serial SPI Bus EEPROM With High Speed Clock
• Manufacturer: ST Microelectronics

M95640, M95320
POWER-UP AND DELIVERY STATE
Power-up State
After Power-up, the device is in the following state:
– Stand-by mode
– deselected (after Power-up, a falling edge is re-
– not in the Hold Condition
– the Write Enable Latch (WEL) is reset to 0
– Write In Progress (WIP) is reset to 0
20/39
quired on Chip Select (S) before any instruc-
tions can be started).
the SRWD, BP1 and BP0 bits of the Status Regis-
ter are unchanged from the previous power-down
(they are non-volatile bits).
INITIAL DELIVERY STATE
The device is delivered with the memory array set
at all 1s (FFh). The Status Register Write Disable
(SRWD) and Block Protect (BP1 and BP0) bits are
initialized to 0.