M48Z2M1Y datasheet(5/12 Pages) STMICROELECTRONICS

Part #	M48Z2M1Y

Description	16 Mb 2Mb x 8 ZEROPOWER SRAM

PDF	12 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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5 / 12 page

Symbol

Parameter

Min

Max

Unit

(1)

VPFD (max) to VPFD (min) VCC Fall Time

300

µs

tFB

(2)

VPFD (min) to VSO VCC Fall Time

µs

tWP

Write Protect Time from VCC = VPFD

150

µs

VSO to VPFD (max) VCC Rise Time

µs

tER

E Recovery Time

120

Notes:1. VPFD (max) to VPFD (min) fall time of less than tF may result in deselection/write protection not occurring until 200

µs after

VCC passes VPFD (min).

2. VPFD (min) to VSO fall time of less than tFB may cause corruption of RAM data.

Table 8. Power Down/Up Mode AC Characteristics

(TA = 0 to 70

°C)

AI01031

VCC

(PER CONTROL INPUT)

OUTPUTS

DON'T CARE

HIGH-Z

tFB

tWP

tDR

VALID

(PER CONTROL INPUT)

RECOGNIZED

VPFD (max)

VPFD (min)

VSO

tER

Figure 5. Power Down/Up Mode AC Waveforms

5/12

M48Z2M1, M48Z2M1Y

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