m28w320bb STMicroelectronics, m28w320bb Datasheet - Page 18

• Manufacturer Part Number: m28w320bb
• Description: 32 Mbit 2mb X16, Boot Block 3v Supply Flash Memory
• Manufacturer: STMicroelectronics

M28W320BT, M28W320BB
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 9. Operating and AC Measurement Conditions
Figure 6. AC Measurement I/O Waveform
Table 10. Device Capacitance
Note: Sampled only, not 100% tested.
18/43
V
V
Ambient Operating Temperature
Load Capacitance (C
Input Rise and Fall Times
Input Pulse Voltages
Input and Output Timing Ref.
Voltages
DD
DDQ
V DDQ
Symbol
C
Supply Voltage
0V
C
Supply Voltage (V
OUT
IN
Parameter
Input Capacitance
Output Capacitance
L
)
DDQ
Parameter
V
DD
)
– 40
Min
2.7
2.7
0 to V
V
DDQ
V DDQ /2
70
50
AI00610
DDQ
/2
Max
3.6
3.6
85
5
Test Condition
V
V
OUT
IN
– 40
Min
2.7
2.7
= 0V
0 to V
= 0V
ment
Operating and AC Measurement Conditions. De-
signers should check that the operating conditions
in their circuit match the measurement conditions
when relying on the quoted parameters.
V
Figure 7. AC Measurement Load Circuit
DDQ
0.1µF
85
50
M28W320BT, M28W320BB
DDQ
V DDQ
/2
Max
3.6
3.6
85
5
Conditions
0.1µF
V DD
– 40
Min
2.7
2.7
0 to V
V
C L includes JIG capacitance
Min
DDQ
90
50
DDQ
DEVICE
UNDER
/2
Max
summarized
TEST
3.6
3.6
85
5
1.65
– 40
Min
2.7
Max
0 to V
12
6
V DDQ
V
DDQ
100
50
C L
DDQ
25k
/2
in
Max
3.6
3.6
85
5
Table
Unit
AI00609C
pF
pF
25k
Units
pF
°C
ns
V
V
V
V
9,