DSM2180F3-90K6 STMicroelectronics, DSM2180F3-90K6 Datasheet - Page 54

• Manufacturer Part Number: DSM2180F3-90K6
• Description: IC FLASH 1MBIT 90NS 52PLCC
• Manufacturer: STMicroelectronics

Specifications of DSM2180F3-90K6

• Format - Memory: FLASH
• Memory Type: FLASH
• Memory Size: 1M (128K x 8)
• Speed: 90ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 52-PLCC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-1335-5

DSM2180F3
Table 32. Write Timing
Note: 1. Any input used to select an internal DSM function.
Figure 35. Write Timing
54/63
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
t WLWH
(Note
(Note
(Note
(Note
1
4
3
2
)
)
)
)
t DVWH
VALID
DATA
Min.
35
35
0
0
4
3
0
-90
t WHAX
t WHDX
Max.
30
55
55
AI04909
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns