M28W640FCT STMICROELECTRONICS [STMicroelectronics], M28W640FCT Datasheet - Page 22

• Manufacturer Part Number: M28W640FCT
• Description: 64 Mbit (4Mb x16, Boot Block) 3V Supply Flash Memory
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

M28W640FCT, M28W640FCB
DC AND AC PARAMETERS
This section summarizes the operating and mea-
surement conditions, and the DC and AC charac-
teristics of the device. The parameters in the DC
and AC characteristics Tables that follow, are de-
rived from tests performed under the Measure-
Table 13. Operating and AC Measurement Conditions
Figure 7. AC Measurement I/O Waveform
Table 14. Capacitance
Note: Sampled only, not 100% tested.
22/55
V
V
V
Ambient Operating Temperature
Load Capacitance (C
Input Rise and Fall Times
Input Pulse Voltages
Input and Output Timing Ref.
Voltages
DD
DDQ
DD
V DDQ
Symbol
)
C
Supply Voltage
0V
C
Supply Voltage (V
OUT
IN
Parameter
Input Capacitance
Output Capacitance
L
)
DDQ
Parameter
Min
–40
2.7
2.7
0 to V
V
DDQ
70
50
V DDQ /2
AI00610
DDQ
/2
Max
3.6
3.6
85
5
Test Condition
V
V
OUT
IN
Min
–40
2.7
2.7
0 to V
= 0V
V
= 0V
ment
13., Operating and AC Measurement
Designers should check that the operating condi-
tions in their circuit match the measurement condi-
tions when relying on the quoted parameters.
Figure 8. AC Measurement Load Circuit
DDQ
M28W640FCT, M28W640FCB
85
50
0.1µF
DDQ
/2
Max
V DDQ
3.6
3.6
85
5
Conditions
0.1µF
V DD
Min
–40
2.7
2.7
0 to V
V
C L includes JIG capacitance
Min
DDQ
90
50
DDQ
/2
DEVICE
Max
UNDER
3.6
3.6
85
TEST
5
summarized
1.65
Min
–40
2.7
Max
0 to V
12
6
V
V DDQ
DDQ
10
50
C L
DDQ
25k
/2
Max
3.6
3.6
85
5
Conditions.
in
Unit
AI00609C
pF
pF
25k
Units
Table
pF
°C
ns
V
V
V
V