adsp-21535 STMicroelectronics, adsp-21535 Datasheet - Page 61

• Manufacturer Part Number: adsp-21535
• Description: Dsm Digital Signal Processor System Memory For Analog Devices Dsps 3.3v Supply
• Manufacturer: STMicroelectronics

Figure 33. WRITE Timing
Table 27. WRITE Timing
Note: 1. Any input used to select an internal PSM function.
t
t
t
t
t
t
t
t
t
t
t
AVWL
SLWL
DVWH
WHDX_8
WHDX_16
WLWH
WHAX1
WHAX2
WHPV
DVMV
WLMV
Symbol
2. Assuming data is stable before active WRITE signal.
3. Assuming WRITE is active before data becomes valid.
4. T
5. t
NON-MULTIPLEXED
NON-MULTIPLEXED
WHAX_16
WHAX2
Address Valid to Leading Edge of WR
CS Valid to Leading Edge of WR
WR Data Setup Time
WR Data Hold Time for 8-bit mode
WR Data Hold Time for 16-bit mode
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 MicroCell Register Preset/Clear
WR Valid to Port Output Valid Using
MicroCell Register Preset/Clear
ADDRESS
is the address hold time for DPLD inputs that are used to generate Sector Select signals for internal DSM memory.
is 11ns when writing to the Output Microcells
DATA
BUS
BUS
CSI
WR
Parameter
t SLWL
t AVWL
ADDRESS
VALID
Conditions
t WLWH
(Note 1)
(Note 5)
(Note 4)
(Note 3)
(Note 2)
t DVWH
VALID
DATA
1.75
Min
45
45
8
8
5
8
0
-12
t WHAX
t WHDX
DSM2150F5V
Max
33
68
70
AI04909
Unit
61/73
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns