HT27C512 View Datasheet(PDF) - Holtek Semiconductor

Part Name

Description

View to exact match

HT27C512

OTP CMOS 64K×8-Bit EPROM

Holtek Semiconductor 

HT27C512

Programming operation

Symbol

Parameter

tAS

tOES

tOEH

tDS

tAH

tDH

tDFP

tPW

tVCS

tDV

tVR

Address Setup Time

CE/VPP Setup Time

OE/VPP Hold Time

Data Setup Time

Address Hold Time

Data Hold Time

Output Enable to Output Float

Delay

PGM Program Pulse Width

VCC Setup Time

Data Valid From CE

OE/VPP Recovery Time

Test Conditions

VCC Conditions

5.8V

—

5.8V

—

5.8V

—

5.8V

—

5.8V

—

5.8V

—

5.8V

—

5.8V

—

5.8V

—

5.8V

—

5.8V

—

Ta=+25°C±5°C

Min. Typ. Max. Unit

2 — — µs

2 — — µs

2 — — µs

2 — — µs

0 — — µs

2 — — µs

0 — 130 ns

30 75 105 µs

2 — — µs

— — 150 ns

2 — — µs

Test waveforms and measurements

For -70, -90 devices:

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

Output test load

1.3V

(1N914)

3.3kΩ

Output Pin

CL

Note: CL=100pF including jig capacitance, except for the

-45 devices, where CL=30pF.

5

6th May ’99

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