SST30VR021-70-E-WH datasheet(5/12 Pages) SST

Part #	SST30VR021-70-E-WH

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

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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

5

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

70

500

ns

TAA

Address Access Time

70

500

ns

TCO

Chip Select to Output

70

500

ns

TOE

Output Enable to Valid Output

35

250

ns

TLZ

Chip Select to Low-Z Output

0

25

ns

TOLZ

Output Enable to Low-Z Output

0

25

ns

THZ

Chip Disable to High-Z Output

25

30

ns

TOHZ

Output Disable to High-Z Output

25

30

ns

TOH

Output Hold from Address Change

10

15

ns

T5.1 380

TRC

TAA

Data Valid

380 ILL F02.0

Data Out

Previous Data Valid

Address

TOH

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SST30VR021-70-E-WH Datasheet(PDF) 5 Page - Silicon Storage Technology, Inc

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