TDA7500A STMicroelectronics, TDA7500A Datasheet - Page 25

• Manufacturer Part Number: TDA7500A
• Description: IC PROCESSOR AM/FM DGTL 100-TQFP
• Manufacturer: STMicroelectronics
• Type: Audio Processorr

Specifications of TDA7500A

• Applications: Audio Systems
• Mounting Type: Surface Mount
• Package / Case: 100-TQFP Exposed Pad, 100-eTQFP, 100-HTQFP, 100-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

EXTERNAL MEMORY INTERFACE (EMI) SRAM MODE
Figure 12. External Memory Interface SRAM Read Cycle.
Figure 13. External Memory Interface SRAM Write Cycle.
Address Valid and CS Assertion Pulse Width
Address Valid to RD or WR Assertion
RD or WR Assertion Pulse Width
RD or WR Negation to RD or WR Assertion
RD or WR Negation to Address not Valid
Address Valid to Input Data Valid
RD Assertion to Input Data Valid
RD Negation to Data Not Valid (Data Hold Time)
Address Valid to WR Negation
Data Setup Time to WR Negation
Data Hold Time from WR Negation
WR Assertion to Data Valid
WR Negation to Data High-Z (Note 1)
WR Assertion to Data Active
DRD
SRA_D
ALE
SRA_D
SRA
SRA
ALE
[7:0]
[13:8]
DWR
[7:0]
[13:8]
Characteristics
add. [7:0]
add. [7:0]
add. [13:8]
add. [13:8]
data
Min.
data
89
23
45
39
73
32
--
--
--
--
5
0
5
5
40MHz
Max.
72
35
18
23
--
--
--
--
--
--
--
--
--
--
TDA7500A
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
25/40