ADSP-2185M_15 Datasheet, PDF (18/40 Pages) Analog Devices – DSP Microcomputer

ADSP-2185M–SPECIFICATIONS
RECOMMENDED OPERATING CONDITIONS
Parameter
K Grade
Min
Max
B Grade
Min
Max
Unit
V_DDINT
V_DDEXT
V_INPUT1
T_AMB
2.37
2.37
V_IL = –0.3
0
2.63
3.6
V_IH = +3.6
+70
2.25
2.25
V_IL = –0.3
–40
2.75
V
3.6
V
V_IH = +3.6
V
+85
°C
NOTES
1_{The ADSP-2185M is 3.3 V tolerant (always accepts up to 3.6 V max V IH), but voltage compliance (on outputs, VOH) depends on the input VDDEXT; because VOH (max)}
≈ V_DDEXT (max). This applies to bidirectional pins (D0–D23, RFS0, RFS1, SCLK0, SCLK1, TFS 0, TFS1, A1–A13, PF0–PF7) and input only pins (CLKIN, RESET,
BR, DR0, DR1, PWD).
Specifications subject to change without notice.
ELECTRICAL CHARACTERISTICS
Parameter
Test Conditions
K/B Grades
Min
Typ Max Unit
V_IH Hi-Level Input Voltage^{1, 2}
@ V_DDINT = max
1.5
V
V_IH Hi-Level CLKIN Voltage
@ V_DDINT = max
2.0
V_IL Lo-Level Input Voltage^{1, 3}
@ V_DDINT = min
V_OH Hi-Level Output Voltage^{1, 4, 5}
@ V_DDEXT = min, I_OH = –0.5 mA
2.0
V
0.7 V
V
@ V_DDEXT = 3.0 V, I_OH = –0.5 mA
2.4
V
@ V_DDEXT = min, I_OH = –100 µA⁶
V_DDEXT – 0.3
V
V_OL Lo-Level Output Voltage^{1, 4, 5}
@ V_DDEXT = min, I_OL = 2 mA
0.4 V
I_IH Hi-Level Input Current³
@ V_DDINT = max, V_IN = 3.6 V
10
µA
I_IL Lo-Level Input Current³
@ V_DDINT = max, V_IN = 0 V
10
µA
I_OZH Three-State Leakage Current⁷
@ V_DDEXT = max, V_IN = 3.6 V⁸
10
µA
I_OZL Three-State Leakage Current⁷
@ V_DDEXT = max, V_IN = 0 V⁸
10
µA
I_DD Supply Current (Idle)⁹
@ V_DDINT = 2.5, t_CK = 15 ns
9
mA
I_DD Supply Current (Idle)⁹
@ V_DDINT = 2.5, t_CK = 13.3 ns
10
mA
I_DD Supply Current (Dynamic)¹⁰
@ V_DDINT = 2.5, t_CK = 15 ns¹¹, T_AMB = 25°C
35
mA
I_DD Supply Current (Dynamic)¹⁰
@ V_DDINT = 2.5, t_CK = 13.3 ns¹¹, T_AMB = 25°C
38
mA
I_DD Supply Current (Power-Down)¹² @ V_DDINT = 2.5, T_AMB = 25°C in Lowest
100
µA
Power Mode
C_I Input Pin Capacitance^{3, 6}
@ V_IN = 2.5 V, f_IN = 1.0 MHz, T_AMB = 25°C
C_O Output Pin Capacitance^{6, 7, 12, 13} @ V_IN = 2.5 V, f_IN = 1.0 MHz, T_AMB = 25°C
8
pF
8
pF
NOTES
1 _{Bidirectional pins: D0–D23, RFS0, RFS1, SCLK0, SCLK1, TFS0, TFS1, A1–A13, PF0–PF7.}
2 _{Input only pins: RESET, BR, DR0, DR1, PWD.}
3 _{Input only pins: CLKIN, RESET, BR, DR0, DR1, PWD.}
4 _{Output pins: BG, PMS, DMS, BMS, IOMS, CMS, RD, WR, PWDACK, A0, DT0, DT1, CLKOUT, FL2–0, BGH.}
5 _{Although specified for TTL outputs, all ADSP-2185M outputs are CMOS-compatible and will drive to VDDEXT and GND, assuming no dc loads.}
6 _{Guaranteed but not tested.}
7 _{Three-statable pins: A0–A13, D0–D23, PMS, DMS, BMS, IOMS, CMS, RD, WR, DT0, DT1, SCLK0, SCLK1, TFS0, TFS1, RFS0, RFS1, PF0–PF7.}
8 _{0 V on BR.}
9 _{Idle refers to ADSP-2185M state of operation during execution of IDLE instruction. Deasserted pins are driven to either V DD or GND.}
10 _{IDD measurement taken with all instructions executing from internal memory. 50% of the instructions are multifunction (Types 1, 4, 5, 12, 13, 14), 30% are Type 2}
and Type 6, and 20% are idle instructions.
11 _{VIN = 0 V and 3 V. For typical figures for supply currents, refer to Power Dissipation section.}
12_{See Chapter 9 of the ADSP-2100 Family User’s Manual for details.}
13_{Output pin capacitance is the capacitive load for any three-stated output pin.}
Specifications subject to change without notice.
–18–
REV. 0