M27C4002 datasheet(17/24 Pages) STMICROELECTRONICS

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M27C4002

DC and AC parameters

17/24

Figure 9.

Programming and Verify Modes AC Waveforms

Table 12.

Programming Mode AC Characteristics(1)(2)(3)

Symbol

Alt

Parameter

Test Condition

Min

Max

Unit

tAVEL

tAS

Address Valid to Chip Enable Low

µs

tQVEL

tDS

Input Valid to Chip Enable Low

µs

tVPHEL

tVPS

VPP High to Chip Enable Low

µs

tVCHEL

tVCS

VCC High to Chip Enable Low

µs

tELEH

tPW

Chip Enable Program Pulse Width

105

µs

tEHQX

tDH

Chip Enable High to Input Transition

µs

tQXGL

tOES

Input Transition to Output Enable Low

µs

tGLQV

tOE

Output Enable Low to Output Valid

100

tGHQZ

tDFP

Output Enable High to Output Hi-Z

130

tGHAX

tAH

Output Enable High to Address

Transition

0ns

TA = 25 °C; VCC = 6.25V ± 0.25V; VPP = 12.75V ± 0.25V.

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

Sampled only, not 100% tested.

tAVEL

VALID

AI00730

A0-A17

Q0-Q15

VPP

VCC

DATA IN

DATA OUT

tQVEL

tVPHEL

tVCHEL

tEHQX

tELEH

tGLQV

tQXGL

tGHQZ

tGHAX

PROGRAM

VERIFY

Obsolete

Product(s)

- Obsolete

Product(s)

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