M28R400C-ZBT View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'M28R400C-ZBT' PDF : 48 Pages View PDF
M28R400CT, M28R400CB
Table 17. Write AC Characteristics, Chip Enable Controlled
Symbol
Alt
Parameter
tAVAV
tWC Write Cycle Time
tAVEH
tAS Address Valid to Chip Enable High
tDVEH
tDS Data Valid to Chip Enable High
tEHAX
tAH Chip Enable High to Address Transition
tEHDX
tDH Chip Enable High to Data Transition
tEHEL
tCPH Chip Enable High to Chip Enable Low
tEHGL
Chip Enable High to Output Enable Low
tEHWH
tWH Chip Enable High to Write Enable High
tELEH
tCP Chip Enable Low to Chip Enable High
tELQV
Chip Enable Low to Output Valid
tQVVPL (1,2)
Output Valid to VPP Low
tQVWPL
Data Valid to Write Protect Low
tVPHEH (1)
tVPS VPP High to Chip Enable High
tWLEL
tCS Write Enable Low to Chip Enable Low
tWPHEH
Write Protect High to Chip Enable High
Note: 1. Sampled only, not 100% tested.
2. Applicable if VPP is seen as a logic input (VPP < 2.2V).
M28R400C
Unit
90
120
Min
90
120
ns
Min
50
50
ns
Min
50
50
ns
Min
0
0
ns
Min
0
0
ns
Min
30
30
ns
Min
30
30
ns
Min
0
0
ns
Min
50
50
ns
Min
90
120
ns
Min
0
0
ns
Min
0
0
ns
Min
200
200
ns
Min
0
0
ns
Min
50
50
ns
26/48
Share Link: 
