Cypress STK11C68 manual AutoStore Inhibit or Power Up Recall, Switching Waveform

						STK11C68
AutoStore INHIBIT or Power Up RECALL
Parameter	Alt	Description		STK11C68		Unit
			Min		Max
tHRECALL [9]	tRESTORE	Power up RECALL Duration			550	μs
tSTORE	tHLHZ	STORE Cycle Duration			10	ms
VSWITCH		Low Voltage Trigger Level	4.0		4.5	V
VRESET		Low Voltage Reset Level			3.6	V

Switching Waveform

Figure 9. AutoStore INHIBIT/Power Up RECALL

VCC

5V

VSWITCH

VRESET

STORE INHIBIT

POWER-UP RECALL

tHRECALL

DQ (DATA OUT)

POWER-UP	BROWN OUT	BROWN OUT	BROWN OUT
RECALL	STORE INHIBIT	STORE INHIBIT	STORE INHIBIT
	NO RECALL	NO RECALL	RECALL WHEN
	(VCC DID NOT GO	(VCC DID NOT GO	VCC RETURNS
	BELOW VRESET)	BELOW VRESET)	ABOVE VSWITCH

Note

9. tHRECALL starts from the time VCC rises above VSWITCH.

Document Number: 001-50638 Rev. ** Page 9 of 16

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