ADSP-2189MBST-266 Analog Devices Inc, ADSP-2189MBST-266 Datasheet - Page 23

• Manufacturer Part Number: ADSP-2189MBST-266
• Description: IC DSP CONTROLLER 16BIT 100LQFP
• Manufacturer: Analog Devices Inc
• Series: ADSP-21xxr
• Type: Fixed Pointr

Specifications of ADSP-2189MBST-266

• Rohs Status: RoHS non-compliant
• Interface: Host Interface, Serial Port
• Clock Rate: 66MHz
• Non-volatile Memory: External
• On-chip Ram: 192kB
• Voltage - I/o: 3.30V
• Voltage - Core: 2.50V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 100-LQFP

REV. A
Parameter
Memory Write
Switching Characteristics:
t
t
t
t
t
t
t
t
t
t
w = wait-states × t
xMS = PMS, DMS, CMS, IOMS, BMS.
DW
DH
WP
WDE
ASW
DDR
CWR
AW
WRA
WWR
CK
.
BMS, CMS,
DMS, PMS,
Data Setup before WR High
Data Hold after WR High
WR Pulsewidth
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
CLKOUT
A0–A13
IOMS
WR
RD
D
Figure 26. Memory Write
t
CWR
t
ASW
–23–
t
WDE
t
AW
t
WP
t
DW
t
WRA
t
DH
Min
0.5t
0.25t
0.5t
0
0.25t
0.25t
0.25t
0.75t
0.25t
0.5t
t
WWR
CK
CK
CK
CK
CK
CK
CK
CK
CK
t
– 4 + w
– 3 + w
– 3
DDR
– 1
– 3
– 3
– 2
– 5 + w
– 1
Max
0.25t
ADSP-2189M
CK
+ 4
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns