M27C64A-30K1 Ver la hoja de datos (PDF) - STMicroelectronics

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fabricante

M27C64A-30K1

64 Kbit (8Kb x8) UV EPROM and OTP EPROM

STMicroelectronics 

M27C64A

DC and AC parameters

Table 11. Programming Mode AC Characteristics(1)(2)

Symbol

Alt

Parameter

Test Condition

Min

tAVPL

tQVPL

tVPHPL

tVCHPL

tELPL

tPLPH

tAS Address Valid to Program Low

tDS Input Valid to Program Low

tVPS VPP High to Program Low

tVCS VCC High to Program Low

tCES Chip Enable Low to Program Low

Program Pulse Width (Initial)

tPW

Program Pulse Width (Over Program)

2

2

2

2

2

0.95

2.85

tPHQX

tDH Program High to Input Transition

2

tQXGL

tOES Input Transition to Output Enable Low

2

tGLQV

tOE Output Enable Low to Output Valid

tGHQZ(3)

tDFP Output Enable High to Output Hi-Z

0

tGHAX

tAH

Output Enable High to Address

Transition

0

1. TA = 25 °C; VCC = 6V ± 0.25V; VPP = 12.5V ± 0.25V.

2. VCC must be applied simultaneously with or before VPP and removed simultaneously or after VPP.

3. Sampled only, not 100% tested.

Figure 8. Programming and Verify Modes AC Waveforms

Max Unit

µs

µs

µs

µs

µs

1.05

ms

78.75 ms

µs

µs

100

ns

130

ns

ns

A0-A12

Q0-Q7

VPP

VCC

E

P

G

tAVPL

DATA IN

tQVPL

tVPHPL

tVCHPL

tELPL

tPLPH

VALID

tPHQX

DATA OUT

tGLQV

tQXGL

tGHQZ

tGHAX

PROGRAM

VERIFY

AI00779

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