28F032B3 datasheet(26/48 Pages) INTEL

26 / 48 page

SMART 3 ADVANCED BOOT BLOCK

PRELIMINARY

4.4

DC Characteristics (Continued)

VCC

2.7 V–3.6 V

2.7 V–2.85 V

2.7 V–3.3 V

VCCQ

2.7 V–3.6 V

1.65 V–2.5 V

1.8 V–2.5 V

Sym

Parameter

Note

Min

Max

Min

Max

Min

Max

Unit Test Conditions

VIL

Input Low Voltage

–0.4

0.4

–0.2

0.2

–0.2

0.2

VIH

Input High Voltage

VCCQ

–0.4V

VCCQ

–0.2V

VCCQ

–0.2V

VOL

Output Low

Voltage

0.10

-0.10

0.10

-0.10

0.10

VCC = VCCMin

VCCQ = VCCQMin

IOL = 100

µA

VOH

Output High

Voltage

VCCQ

–0.1V

VCCQ

–0.1V

VCCQ

–0.1V

VVCC = VCCMin

VCCQ = VCCQMin

IOH = –100 µA

VPPLK VPP Lock-Out

Voltage

1.5

Complete Write

Protection

VPP1

VPP during

2.7

3.6

VPP2

Program and

2.7

2.85

VPP3

Erase Operations

2.7

3.3

VPP4

2,5

11.4

12.6

11.4

12.6

11.4

12.6

VLKO

VCC Prog/Erase

Lock Voltage

1.5

VLKO2 VCCQ Prog/Erase

Lock Voltage

1.2

NOTES:

All currents are in RMS unless otherwise noted. Typical values at nominal VCC, TA = +25 °C.

Erase and program are inhibited when VPP < VPPLK and not guaranteed outside the valid VPP ranges of VPP1, VPP2, VPP3

and VPP4. For read operations or during idle time, a 5 V supply may be applied to VPP indefinitely. However, VPP must be at

valid levels for program and erase operations.

Sampled, not 100% tested.

Automatic Power Savings (APS) reduces ICCR to approximately standby levels in static operation.

Applying VPP = 11.4 V–12.6 V during program/erase can only be done for a maximum of 1000 cycles on the main blocks

and 2500 cycles on the parameter blocks. VPP may be connected to 12 V for a total of 80 hours maximum. See Section 3.4

for details. For read operations or during idle time, a 5 V supply may be applied to VPP indefinitely. However, VPP must be

at valid levels for program and erase operations.

Since each column lists specifications for a different VCC and VCCQ voltage range combination, the test conditions VCCMax,

VCCQMax, VCCMin, and VCCQMin refer to the maximum or minimum VCC or VCCQ voltage listed at the top of each column.

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