SST49LF080A datasheet(31/49 Pages) SST

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Data Sheet

8 Mbit LPC Flash

SST49LF080A

S71235-00-000

4/03

AC Characteristics

TABLE 18: READ/WRITE CYCLE TIMING PARAMETERS, VDD=3.0-3.6V (LPC MODE)

Symbol

Parameter

Min

Max

Units

TCYC

Clock Cycle Time

TSU

Data Set Up Time to Clock Rising

TDH

Clock Rising to Data Hold Time

TVAL1

1. Minimum and maximum times have different loads. See PCI spec.

Clock Rising to Data Valid

TBP

Byte Programming Time

µs

TSE

Sector-Erase Time

TBE

Block-Erase Time

TON

Clock Rising to Active (Float to Active Delay)

TOFF

Clock Rising to Inactive (Active to Float Delay)

T18.0 1235

TABLE 19: AC INPUT/OUTPUT SPECIFICATIONS (LPC MODE)

Symbol

Parameter

Min

Max

Units

Conditions

IOH(AC)

Switching Current High

-12 VDD

-17.1(VDD-VOUT)

Equation C1

1. See PCI spec.

0 < VOUT ≤0.3 VDD

0.3 VDD < VOUT < 0.9 VDD

0.7 VDD < VOUT < VDD

(Test Point)

-32 VDD

VOUT = 0.7 VDD

IOL(AC)

Switching Current Low

16 VDD

26.7 VOUT

Equation D1

VDD >VOUT ≥ 0.6 VDD

0.6 VDD > VOUT > 0.1 VDD

0.18 VDD > VOUT > 0

(Test Point)

38 VDD

VOUT = 0.18 VDD

ICL

Low Clamp Current

-25+(VIN+1)/0.015

-3 < VIN ≤-1

ICH

High Clamp Current

25+(VIN-VDD-1)/0.015

VDD+4 > VIN ≥ VDD+1

slewr2

2. PCI specification output load is used.

Output Rise Slew Rate

V/ns

0.2 VDD-0.6 VDD load

slewf2

Output Fall Slew Rate

V/ns

0.6 VDD-0.2 VDD load

T19.0 1235

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