参数资料
型号: M29F400FB55M3F2
元件分类: PROM
英文描述: 256K X 16 FLASH 5V PROM, 55 ns, PDSO44
封装: 0.500 INCH, ROHS COMPLIANT, PLASTIC, SOP-44
文件页数: 37/65页
文件大小: 1669K
代理商: M29F400FB55M3F2
DC and AC Parameters
M29FxxxFT, M29FxxxFB
42/65
Figure 21.
Write AC Waveforms, Chip Enable Controlled
Table 17.
Write AC Characteristics, Chip Enable Controlled
tEHRL parameter: Sampled only, not 100% tested.
Preliminary data, not yet characterized.
Symbol
Alt
Parameter
M29F160F
Unit
55
tAVAV
tWC
Address Valid to Next Address Valid
Min
55
ns
tWLEL
tWS
Write Enable Low to Chip Enable Low
Min
0
ns
tELEH
tCP
Chip Enable Low to Chip Enable High
Min
30
ns
tDVEH
tDS
Input Valid to Chip Enable High
Min
20
ns
tEHDX
tDH
Chip Enable High to Input Transition
Min
0
ns
tEHWH
tWH
Chip Enable High to Write Enable High
Min
0
ns
tEHEL
tCPH
Chip Enable High to Chip Enable Low
Min
15
ns
tAVEL
tAS
Address Valid to Chip Enable Low
Min
0
ns
tELAX
tAH
Chip Enable Low to Address Transition
Min
30
ns
tGHEL
Output Enable High Chip Enable Low
Min
0
ns
tEHGL
tOEH
Chip Enable High to Output Enable Low
Min
0
ns
tEHRL
tBUSY
Program/Erase Valid to RB Low
Max
20
ns
tVCHWL
tVCS
VCC High to Write Enable Low
Min
50
μs
AI02924
E
G
W
A0-A19/
A–1
DQ0-DQ7/
DQ8-DQ15
VALID
VCC
tVCHWL
tEHWH
tEHEL
tWLEL
tAVEL
tEHGL
tELAX
tEHDX
tAVAV
tDVEH
tELEH
tGHEL
RB
tEHRL
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