HT27LC020 datasheet(4/15 Pages) HOLTEK

4 / 15 page

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

VCC

Conditions

Programming Operation

tAS

Address Setup Time

¾¾

tOES

OE Setup Time

¾¾

tDS

Data Setup Time

¾¾

tAH

Address Hold Time

¾¾

tDH

Data Hold Time

¾¾

tDFP

Output Enable to Output Float Delay

130

tVPS

VPP Setup Time

¾¾

tPW

PGM Program Pulse Width

105

tVCS

VCC Setup Time

¾¾

tCES

CE Setup Time

¾¾

tOE

Data Valid from OE

¾¾

150

tPRT

VPP Pulse Rise Time During Programming

¾¾

Test Waveforms and Measurements

Output Test Load

Note: CL=100pF including jig capacitance.

Product Identification Code

Code

Pins

Hex

Data

DQ7

DQ6

DQ5

DQ4

DQ3

DQ2

DQ1

DQ0

Manufacturer

0100011100

Device Type

1100000010

Continuation

0001111111

1001111111

HT27LC020

Rev. 1.50

December 8, 2003

1 . 3 V

( 1 N 9 1 4 )

3 . 3 k 9

O u t p u t P i n

C L

2 . 4 V

0 . 4 5 V

A C

M e a s u r e m e n t

L e v e l

A C D r i v i n g

L e v e l s

2 . 0 V

0 . 8 V

tR,tF<20ns (10% to 90%)

HT27LC020 Datasheet(PDF) 4 Page - Holtek Semiconductor Inc

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