M27W256-100N6TR(2006) 查看數據表（PDF） - STMicroelectronics
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M27W256-100N6TR Datasheet PDF : 23 Pages
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DC and AC parameters
M27W256
TA = 25 °C; VCC = 6.25V ± 0.25V; VPP = 12.75V ± 0.25V
Table 10. Programming Mode AC Characteristics (1)
Symbol
Alt
Parameter
Test Condition Min. Max. Unit
tAVPL
tAS Address Valid to Program Low
2
µs
tQVPL
tDS Input Valid to Program Low
2
µs
tVPHPL
tVPS VPP High to Program Low
2
µs
tVCHPL
tVCS VCC High to Program Low
2
µs
tELPL
tCES Chip Enable Low to Program Low
2
µs
tPLPH
tPW Program Pulse Width
95
) tPHQX
tDH Program High to Input Transition
2
t(s tQXGL
tOES Input Transition to Output Enable Low
2
uc tGLQV
tOE Output Enable Low to Output Valid
d tGHQZ (2)
tDFP Output Enable High to Output Hi-Z
0
Pro t(s) tGHAX
tAH Output Enable High to Address Transition
0
te c 1. VCC must be applied simultaneously with or before VPP and removed simultaneously or after VPP.
le u 2. Sampled only, not 100% tested.
so rod Figure 9. Programming and Verify Modes AC Waveforms
105 µs
µs
µs
100 ns
130 ns
ns
) - Ob lete P A0-A14
ct(s bso Q0-Q7
Produ t(s) - O VPP
lete uc VCC
bso Prod E
OObsolete G
tAVEL
DATA IN
tQVEL
tVPHEL
tVCHEL
tELEH
VALID
tEHQX
DATA OUT
tGLQV
tQXGL
tGHQZ
tGHAX
PROGRAM
VERIFY
AI00759
16/23
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