ADSP-2185KST-133 Analog Devices Inc, ADSP-2185KST-133 Datasheet - Page 21

• Manufacturer Part Number: ADSP-2185KST-133
• Description: IC DSP CONTROLLER 16BIT 100TQFP
• Manufacturer: Analog Devices Inc
• Series: ADSP-21xxr
• Type: Fixed Pointr

Specifications of ADSP-2185KST-133

• Rohs Status: RoHS non-compliant
• Interface: Host Interface, Serial Port
• Clock Rate: 33.3MHz
• Non-volatile Memory: External
• On-chip Ram: 80kB
• Voltage - I/o: 5.00V
• Voltage - Core: 5.00V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 100-TQFP, 100-VQFP

REV. 0
Parameter
Memory Write
Switching Characteristics:
t
t
t
t
t
t
t
t
t
t
w = wait states
xMS = PMS, DMS, CMS, IOMS, BMS
DW
DH
WP
WDE
ASW
DDR
CWR
AW
WRA
WWR
t
CK
Data Setup before WR High
Data Hold after WR High
WR Pulse Width
WR Low to Data Enabled
A0–A13, xMS Setup before WR Low
Data Disable before WR or RD Low
CLKOUT High to WR Low
A0–A13, xMS, Setup before WR Deasserted
A0–A13, xMS Hold after WR Deasserted
WR High to RD or WR Low
BMS, CMS,
DMS, PMS,
CLKOUT
A0–A13
IOMS
WR
RD
D
Figure 18. Memory Write
t
CWR
t
ASW
–21–
t
WDE
t
AW
t
WP
Min
0.5 t
0.25 t
0.5 t
0
0.25 t
0.25 t
0.25 t
0.75 t
0.25 t
0.5 t
t
DW
CK
CK
CK
CK
CK
CK
CK
CK
CK
– 7+ w
– 5 + w
– 5
– 2
– 6
– 5
– 9 + w
– 3
– 7
t
WRA
t
DH
t
WWR
t
DDR
Max
0.25 t
CK
ADSP-2185
+ 7
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns