M40Z300AV datasheet(13/20 Pages) STMICROELECTRONICS

Part #	M40Z300AV

Description	3V NVRAM Supervisor for Up to 8 LPSRAMs

PDF	20 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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M40Z300AV

Table 7. Power Down/Up Mode AC Characteristics

Note: 1. Valid for Ambient Operating Temperature: TA = 0 to 70°C or –40 to 85°C; VCC = 3.0 to 3.6V (except where noted).

2. 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).

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

4. tREC (min) = 20ms for industrial temperature Grade 6 device.

Symbol

Parameter(1)

Min

Max

Unit

(2)

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

300

µs

tFB

(3)

VPFD (min) to VSS VCC Fall Time

150

µs

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

µs

tEDL

Chip Enable Propagation Delay Low

tEDH

Chip Enable Propagation Delay High

tAS

A, B set up to E

0ns

tCER

Chip Enable Recovery

120

tREC

(4)

VPFD (max) to RST High

120

tWPT

Write Protect Time

250

µs

tRB

VSS to VPFD (min) VCC Rise Time

1µs

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