N25S818HA Datasheet, PDF (12/15 Pages) ON Semiconductor – 256Kb Low Power Serial SRAMs 32K × 8 bit Organization

N25S0818HA
READ Status Register Instruction (RDSR)
This instruction provides the ability to read the Status register. The register may be read at any time by
performing the following timing sequence.
READ Status Register Instruction (RDSR)
CS
SCK
SI
SO
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Instruction
00000101
Status Register Data Out
High-Z
76543210
Power-Up State
The serial SRAM enters a know state at power-up time. The device is in low-power standby state with CS
= 1. A low level on CS is required to enter a active state.
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