ADSP-2171 Analog Devices, ADSP-2171 Datasheet - Page 31

• Manufacturer Part Number: ADSP-2171
• Description: ADSP-2100 Family DSP Microcomputers
• Manufacturer: Analog Devices

REV. A
ADSP-2173–SPECIFICATIONS
RECOMMENDED OPERATING CONDITIONS
Parameter
V
T
ELECTRICAL CHARACTERISTICS
Parameter
V
V
V
V
V
V
I
I
I
I
I
I
I
C
C
NOTES
10
11
12
13
14
Specifications subject to change without notice.
1
2
3
4
5
6
7
8
9
IH
IL
OZH
OZL
DD
DD
DD
Bidirectional pins: D0-D23, RFS0, RFS1, SCLK0, SCLK1, TFS0, TFS1, HD0-HD15/HAD0-HAD15.
Input only pins: RESET, IRQ2, BR, MMAP, DR0, DR1, HSEL, HSIZE, BMODE, HMD0, HMD1, HRD/HWR, HWR/HDS, PWD, HA2/ALE, HA1-0.
Input only pins: CLKIN, RESET, IRQ2, BR, MMAP, DR0, DR1, HSEL, HSIZE, BMODE, HMD0, HMD1, HRD/HWR, HWR/HDS, PWD, HA2/ALE, HA1-0.
Output pins: BG, PMS, DMS, BMS, RD, WR, PWDACK, A0-A13, DT0, DT1, CLKOUT, HACK, FL2-0, BGH.
Although specified for TTL outputs, all ADSP-2173 outputs are CMOS-compatible and will drive to V
Guaranteed but not tested.
Three-statable pins: A0-A13, D0-D23, PMS, DMS, BMS, RD, WR, DT0, DT1, SCLK0, SCLK1, TFS0, TFS1, RFS0, RSF1, HD0-HD15/HAD0-HAD15.
0 V on BR, CLKIN Active (to force three-state condition).
Idle refers to ADSP-2173 state of operation during execution of IDLE instruction. Deasserted pins are driven to either V
Current reflects device operating with no output loads.
V
See Chapter 9, of the ADSP-2100 Family User’s Manual for details.
Applies to TQFP and PQFP package types.
Output pin capacitance is the capacitve load for any three-state output pin.
DD
IH
IH
IH
IL
OH
OL
device operation with CLKOUT disabled.
AMB
I
O
IN
= 0.4 V and 2.4 V. For typical figures for supply currents, refer to “Power Dissipation” section.
Supply Voltage
Ambient Operating Temperature
Hi-Level Input Voltage
Hi-Level CLKIN Voltage
Hi-Level RESET Voltage
Lo-Level Input Voltage
Hi-Level Output Voltage
Lo-Level Output Voltage
Hi-Level Input Current
Lo-Level Input Current
Tristate Leakage Current
Tristate Leakage Current
Supply Current (Idle)
Supply Current (Dynamic)
Supply Current (Powerdown)
Input Pin Capacitance
Output Pin Capacitance
9, 10
3, 6, 13
1, 2
1, 3
3
3
6, 7, 13, 14
1, 4, 5
1, 4, 5
7
7
10
10
Test Conditions
@ V
@ V
@ V
@ V
@ V
I
@ V
I
@ V
I
@ V
V
@ V
V
@ V
V
@ V
V
@ V
@ V
t
Lowest Power Mode
@ V
f
T
@ V
f
T
CK
IN
IN
OH
OH
OL
IN
IN
IN
IN
AMB
AMB
= 1.0 MHz,
= 1.0 MHz,
= 2 mA
= 50 ns
= –0.5 mA
= –100 mA
= V
= 0 V
= V
= 0 V
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
IN
IN
–31–
= 25 C
= 25 C
Min
3.0
0
= 2.5 V,
= 2.5 V,
= max
= max
= max
= min
= min
= min
= min
= max
= max
= max,
= max,
= max
= max
DD
DD
8
max
max
11
K Grade
8
6
ADSP-2171/ADSP-2172/ADSP-2173
12
Max
3.6
+70
DD
and GND, assuming no dc loads.
Min
2.0
2.0
2.2
2.4
V
DD
K/B Grades
– 0.3
Min
3.0
–40
DD
or GND. Current reflects
B Grade
Max
0.4
0.4
10
10
10
10
7
27
100
8
8
Max
3.6
+85
Unit
V
Unit
V
V
V
V
V
V
V
mA
mA
pF
pF
C
A
A
A
A
A