M27C4002-80N6TR View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

M27C4002-80N6TR

4 Mbit (256Kb x16) UV EPROM and OTP EPROM

STMicroelectronics 

M27C4002

DC and AC parameters

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

2

µs

tQVEL

tDS Input Valid to Chip Enable Low

2

µs

tVPHEL

tVPS VPP High to Chip Enable Low

2

µs

tVCHEL

tVCS VCC High to Chip Enable Low

2

µs

tELEH

tPW Chip Enable Program Pulse Width

95

105

µs

tEHQX

tDH Chip Enable High to Input Transition

2

µs

tQXGL

tOES Input Transition to Output Enable Low

2

) tGLQV

tOE Output Enable Low to Output Valid

t(s tGHQZ

tDFP Output Enable High to Output Hi-Z

0

uc tGHAX

tAH

Output Enable High to Address

Transition

0

rod 1. TA = 25 °C; VCC = 6.25V ± 0.25V; VPP = 12.75V ± 0.25V.

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

3. Sampled only, not 100% tested.

lete Figure 9. Programming and Verify Modes AC Waveforms

µs

100

ns

130

ns

ns

bso A0-A17

- O Q0-Q15

ct(s) VPP

rodu VCC

lete P E

Obso G

tAVEL

DATA IN

tQVEL

tVPHEL

tVCHEL

tELEH

VALID

tEHQX

DATA OUT

tGLQV

tQXGL

tGHQZ

tGHAX

PROGRAM

VERIFY

AI00730

17/24

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