ADSP-218xN Series
SPECIFICATIONS
RECOMMENDED OPERATING CONDITIONS
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K Grade (Commercial) |
B Grade (Industrial) |
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Parameter1 |
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Unit |
Min |
Max |
Min |
Max |
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VDDINT |
1.71 |
1.89 |
1.8 |
2.0 |
V |
VDDEXT |
1.71 |
3.6 |
1.8 |
3.6 |
V |
VINPUT2 |
VIL = – 0.3 |
VIH = + 3.6 |
VIL = – 0.3 |
VIH = + 3.6 |
V |
TAMB |
0 |
70 |
–40 |
+85 |
° C |
1Specifications subject to change without notice.
2The ADSP-218xN is 3.3 V tolerant (always accepts up to 3.6 V max VIH), but voltage compliance (on outputs, VOH) depends on the input VDDEXT, because VOH (max) approximately equals VDDEXT (max). This 3.3 V tolerance applies to bidirectional pins (D23–D0, RFS0, RFS1, SCLK0, SCLK1,
TFS0, TFS1, A13–A1, PF7–PF0) and input-only pins (CLKIN, RESET, BR, DR0, DR1, PWD).
ELECTRICAL CHARACTERISTICS
Parameter1 |
Description |
Test Conditions |
Min |
Typ Max |
Unit |
VIH |
Hi-Level Input Voltage2, 3 |
@ VDDEXT = 1.71 to 2.0 V, |
1.25 |
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V |
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VDDINT = max |
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@ VDDEXT = 2.1 to 3.6 V, |
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Lo-Level Input Voltage2, 3 |
VDDINT = max |
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VIL |
@ VDDEXT 2.0 V, |
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0.6 |
V |
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VDDINT = min |
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@ VDDEXT 2.0 V, |
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0.7 |
V |
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Hi-Level Output Voltage2, 4, 5 |
VDDINT = min |
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VOH |
@ VDDEXT = 1.71 to 2.0 V, |
1.35 |
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V |
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IOH = – 0.5 mA |
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@ VDDEXT = 2.1 to 2.9 V, IOH |
2.0 |
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V |
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= – 0.5 mA |
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@ VDDEXT = 3.0 to 3.6 V, IOH |
2.4 |
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V |
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= – 0.5 mA |
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@ VDDEXT = 1.71 to 3.6 V, |
VDDEXT – 0.3 |
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V |
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Lo-Level Output Voltage2, 4, 5 |
IOH = – 100 A6 |
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VOL |
@ VDDEXT = 1.71 to 3.6 V, |
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0.4 |
V |
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Hi-Level Input Current3 |
IOL = 2.0 mA |
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A |
IIH |
@ VDDINT = max, |
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10 |
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Lo-Level Input Current3 |
VIN = 3.6 V |
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A |
IIL |
@ VDDINT = max, |
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10 |
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VIN = 0 V |
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A |
IOZH |
Three-State Leakage |
@ VDDEXT = max, |
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10 |
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Current7 |
VIN = 3.6 V8 |
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A |
IOZL |
Three-State Leakage |
@ VDDEXT = max, |
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10 |
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Current7 |
VIN = 0 V8 |
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IDD |
Supply Current (Idle)9 |
@ VDDINT = 1.8 V, |
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6 |
mA |
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tCK = 12.5 ns, |
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Supply Current (Dynamic)10 |
TAMB = 25° C |
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IDD |
@ VDDINT = 1.8 V, |
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25 |
mA |
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tCK = 12.5 ns11, |
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TAMB = 25° C |
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REV. 0 |
–21– |
ADSP-218xN Series
ELECTRICAL CHARACTERISTICS (CONTINUED)
Parameter1 |
Description |
Test Conditions |
Min |
Typ Max |
Unit |
IDD |
Supply Current (Idle)9 |
@ VDDINT = 1.9 V, |
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6.5 |
mA |
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tCK = 12.5 ns, |
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Supply Current (Dynamic)10 |
TAMB = 25° C |
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IDD |
@ VDDINT = 1.9 V, |
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26 |
mA |
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tCK = 12.5 ns11, |
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TAMB = 25° C |
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A |
IDD |
Supply Current (Power- |
@ VDDINT = 1.8 V, |
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100 |
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Down)12 |
TAMB = 25° C |
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Input Pin Capacitance3, 6 |
in Lowest Power Mode |
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CI |
@ VIN = 1.8 V, |
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8 |
pF |
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fIN = 1.0 MHz, |
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TAMB = 25° C |
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CO |
Output Pin |
@ VIN = 1.8 V, |
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8 |
pF |
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Capacitance6, 7, 12, 13 |
fIN = 1.0 MHz, |
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TAMB = 25° C |
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1Specifications subject to change without notice.
2Bidirectional pins: D23–0, RFS0, RFS1, SCLK0, SCLK1, TFS0, TFS1, A13–1, PF7–0. 3Input only pins: CLKIN, RESET, BR, DR0, DR1, PWD.
4Output pins: BG, PMS, DMS, BMS, IOMS, CMS, RD, WR, PWDACK, A0, DT0, DT1, CLKOUT, FL2–FL0, BGH.
5Although specified for TTL outputs, all ADSP-218xN outputs are CMOS-compatible and will drive to VDDEXT and GND, assuming no dc loads. 6Guaranteed but not tested.
7Three-statable pins: A13–A1, D23–D0, PMS, DMS, BMS, IOMS, CMS, RD, WR, DT0, DT1, SCLK0, SCLK1, TFS0, TFS1, RFS0, RFS1, PF7–PF0. 80 V on BR.
9Idle refers to ADSP-218xN state of operation during execution of IDLE instruction. Deasserted pins are driven to either VDD or GND.
10IDD 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.
11VIN = 0 V and 3 V. For typical values for supply currents, refer to Power Dissipation section.
12See ADSP-218x DSP Hardware Reference for details.
13Output pin capacitance is the capacitive load for any three-stated output pin.
ABSOLUTE MAXIMUM RATINGS
Internal Supply Voltage (VDDINT)1 . . . . . . . . –0.3 V to +2.2 V
External Supply Voltage (VDDEXT) . . . . . . . . –0.3 V to +4.0 V
Input Voltage2 . . . . . . . . . . . . . . . . . . . . . . –0.5 V to +4.0 V
Output Voltage Swing3 . . . . . . . . . . .–0.5 V to VDDEXT +0.5 V
Operating Temperature Range . . . . . . . . . . .–40ºC to +85ºC
Storage Temperature Range . . . . . . . . . . . . –65ºC to +150ºC
Lead Temperature (5 sec) LQFP . . . . . . . . . . . . . . . –280ºC
1Stresses greater than those listed above may cause permanent damage to the device. These are stress ratings only. Functional operation of the device at these or any other conditions greater than those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
2Applies to Bidirectional pins (D23–0, RFS0, RFS1, SCLK0, SCLK1, TFS0, TFS1, A13–1, PF7–0) and Input only pins (CLKIN, RESET, BR, DR0, DR1, PWD).
3Applies to Output pins (BG, PMS, DMS, BMS, IOMS, CMS, RD, WR, PWDACK, A0, DT0, DT1, CLKOUT, FL2–0, BGH).
–22– |
REV. 0 |