M50FLW040B ST Microelectronics, M50FLW040B Datasheet - Page 32

• Manufacturer Part Number: M50FLW040B
• Description: 4 Mbit 3V Supply Firmware Hub / Low Pin Count Flash Memory
• Manufacturer: ST Microelectronics

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M50FLW040A, M50FLW040B
Figure 15. FWH/LPC Interface AC Signal Timing Waveforms
Table 26. FWH/LPC Interface AC Signal Timing Characteristics
Note: 1. The timing measurements for Active/Float transitions are defined when the current through the pin equals the leakage current spec-
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CLK
FWH0-FWH3/
LAD0-LAD3
FWH4
Symbol
t
CHQX
t
t
t
t
t
t
t
t
2. Applies to all inputs except CLK and FWH4.
CHQV
CHQZ
DVCH
CHAX
CHDX
CHFH
AVCH
FLCH
ification.
(1)
tFLCH
START CYCLE
Symbol
PCI
t
t
t
t
val
t
on
off
su
h
tCHFH
CLK to Data Out
CLK to Active
(Float to Active Delay)
CLK to Inactive
(Active to Float Delay)
Input Set-up Time
Input Hold Time
Input Set-up time on FWH4
Input Hold time on FWH4
OUTPUT DATA
VALID
tCHQV
(2)
Parameter
(2)
tCHQX
FLOAT OUTPUT DATA
Max
Max
Min
Min
Min
Min
Min
Min
tCHQZ
tDVCH
Value
11
28
10
2
2
7
0
5
VALID INPUT DATA
VALID
tCHDX
AI09700
Unit
ns
ns
ns
ns
ns
ns
ns
ns