SST49LF080A datasheet(31/50 Pages) MICROCHIP

31 / 50 page

DS20005086B

11/14

8 Mbit LPC Flash

SST49LF080A

Data Sheet

AC Characteristics

Table 20: 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)

T20.0 25026

Table 21: AC Input/Output Specifications (LPC Mode)

Symbol

Parameter

Min

Max

Units

Conditions

IOH(AC)

Switching Current

High

-12 VDD

-17.1(VDD-VOUT)

Equation

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

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

T21.0 25026

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