SST30VR021 datasheet(5/12 Pages) SST

Part #	SST30VR021

Description	2 Mbit ROM 1 Mbit / 2Mbit / 256 Kbit SRAM ROM/RAM Combo

PDF	12 Pages

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Manufacturer	SST [Silicon Storage Technology, Inc]

Direct Link	http://www.sst.com/

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5 / 12 page

Data Sheet

2 Mbit ROM + 1 Mbit / 2Mbit / 256 Kbit SRAM

ROM/RAM Combo

SST30VR021 / SST30VR022 / SST30VR023

S71135-02-000

4/01

380

AC CHARACTERISTICS

I. ROM Operation

FIGURE 4: ROM READ CYCLE TIMING DIAGRAM (ADDRESS CONTROLLED) (ROMCS# = OE# = VIL)

TABLE

5: READ CYCLE TIMING PARAMETERS VDD = 3.0V±0.3

Symbol

Parameter

SST30VR022-70

SST30VR021/023-500

Units

Min

Max

Min

Max

TRC

Read Cycle Time

500

TAA

Address Access Time

500

TCO

Chip Select to Output

500

TOE

Output Enable to Valid Output

250

TLZ

Chip Select to Low-Z Output

TOLZ

Output Enable to Low-Z Output

THZ

Chip Disable to High-Z Output

TOHZ

Output Disable to High-Z Output

TOH

Output Hold from Address Change

T5.1 380

TRC

TAA

Data Valid

380 ILL F02.0

Data Out

Previous Data Valid

Address

TOH

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