DSM2190F4V-15T6 STMicroelectronics, DSM2190F4V-15T6 Datasheet - Page 52

• Manufacturer Part Number: DSM2190F4V-15T6
• Description: IC FLASH 2MBIT 150NS 52QFP
• Manufacturer: STMicroelectronics

Specifications of DSM2190F4V-15T6

• Format - Memory: FLASH
• Memory Type: FLASH
• Memory Size: 2M (256K x 8)
• Speed: 150ns
• Interface: Parallel
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 52-QFP
• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (min): 3V
• Operating Supply Voltage (max): 3.6V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 52
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-1323

DSM2190F4
Table 32. Write Timing
Note: 1. Any input used to select an internal PSM function.
Figure 35. Write Timing
52/61
t
t
t
t
t
t
t
t
t
t
Symbol
AVWL
SLWL
DVWH
WHDX
WLWH
WHAX1
WHAX2
WHPV
DVMV
WLMV
2. Assuming data is stable before active write signal.
3. Assuming write is active before data becomes valid.
4. TWHAX2 is the address hold time for DPLD inputs that are used to generate Sector Select signals for internal DSM memory.
NON-MULTIPLEXED
NON-MULTIPLEXED
Address Valid to Leading Edge of WR
CS Valid to Leading Edge of WR
WR Data Setup Time
WR Data Hold Time
WR Pulse Width
Trailing Edge of WR to Address Invalid
Trailing Edge of WR to DPLD Address Invalid
Trailing Edge of WR to Port Output
Valid Using I/O Port Data Register
Data Valid to Port Output Valid
Using Macrocell Register Preset/Clear
WR Valid to Port Output Valid Using
Macrocell Register Preset/Clear
ADDRESS
DATA
BUS
BUS
CSI
WR
Parameter
t SLWL
t AVWL
ADDRESS
VALID
Conditions
(Notes
t WLWH
(Note
(Note
(Note
4
3
2
1
)
)
)
)
t DVWH
VALID
DATA
1.75
Min
45
48
0
0
2
0
-15
t WHAX
t WHDX
Max
35
70
70
AI04909
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns