M27C4001 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'M27C4001' PDF : 24 Pages View PDF
M27C4001
DC and AC parameters
Figure 9. Programming and Verify Modes AC Waveforms
A0-A18
Q0-Q7
VPP
VCC
E
G
tAVPL
DATA IN
tQVEL
tVPHEL
tVCHEL
tELEH
VALID
tEHQX
DATA OUT
tGLQV
tQXGL
tGHQZ
tGHAX
PROGRAM
VERIFY
AI00725
Table 11. Programming Mode AC Characteristics(1) (2) (3)
Symbol Alt
Parameter
Test Condition Min Max
tAVEL
tQVEL
tVPHEL
tVCHEL
tELEH
tEHQX
tQXGL
tGLQV
tGHQZ
tGHAX
tAS
tDS
tVPS
tVCS
tPW
tDH
tOES
tOE
tDFP
tAH
Address Valid to Chip Enable Low
Input Valid to Chip Enable Low
VPP High to Chip Enable Low
VCC High to Chip Enable Low
Chip Enable Program Pulse Width
Chip Enable High to Input Transition
Input Transition to Output Enable Low
Output Enable Low to Output Valid
Output Enable High to Output Hi-Z
Output Enable High to Address
Transition
2
2
2
2
95 105
2
2
100
0
130
0
1. TA = 25 °C; VCC = 6.25V ± 0.25V; VPP = 12.75V ± 0.25V
2. VCC must be applied simultaneously with or before VPP and removed simultaneously or after VPP.
3. Sampled only, not 100% tested.
Unit
µs
µs
µs
µs
µs
µs
µs
ns
ns
ns
17/25
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