ADSP-21371 Datasheet, PDF (15/48 Pages) Analog Devices – SHARC Processor

Preliminary Technical Data
ADSP-21371
ADSP-21371 SPECIFICATIONS
OPERATING CONDITIONS
K Grade
Parameter¹
Min
Max
Unit
V_DDINT
V_DDEXT
V_IH²
V_IL³
V_{IH_CLKIN}³
V_{IL_CLKIN}
Internal (Core) Supply Voltage
External (I/O) Supply Voltage
High Level Input Voltage @ V_DDEXT = max
Low Level Input Voltage @ V_DDEXT = min
High Level Input Voltage @ V_DDEXT = max
Low Level Input Voltage @ V_DDEXT = min
1.14
1.26
V
3.13
3.47
V
2.0
V_DDEXT + 0.5
V
–0.5
+0.8
V
1.74
V_DDEXT + 0.5
V
–0.5
+1.19
V
1 _{Specifications subject to change without notice.}
2 _{Applies to input and bidirectional pins: AD23–0, DATA16–0, FLAG3–0, DAI_Px, DPI_Px, SPIDS, BOOTCFGx, CLKCFGx, RESET, TCK, TMS, TDI, TRST.}
3 _{Applies to input pin CLKIN.}
ELECTRICAL CHARACTERISTICS
Parameter¹
Test Conditions
Min
V_OH²
High Level Output Voltage
@ V_DDEXT = min, I_OH = –1.0 mA³
2.4
V_OL²
Low Level Output Voltage
@ V_DDEXT = min, I_OL = 1.0 mA³
I_IH^{4, 5}
High Level Input Current
@ V_DDEXT = max, V_IN = V_DDEXT max
I_IL⁴
Low Level Input Current
@ V_DDEXT = max, V_IN = 0 V
I_ILPU⁵
Low Level Input Current Pull-up
@ V_DDEXT = max, V_IN = 0 V
I_OZH^{6, 7}
Three-State Leakage Current
@ V_DDEXT = max, V_IN = V_DDEXT max
I_OZL⁶
Three-State Leakage Current
@ V_DDEXT = max, V_IN = 0 V
I_OZLPU⁷
Three-State Leakage Current Pull-up
@ V_DDEXT = max, V_IN = 0 V
I_DD-INTYP^{8, 9}
Supply Current (Internal)
t_CCLK = 5.0 ns, V_DDINT = 1.2
C_IN^{10, 11}
Input Capacitance
f_IN = 1 MHz, T_CASE = 25°C, V_IN = 1.3V
1 _{Specifications subject to change without notice.}
2 _{Applies to output and bidirectional pins: ADDR23-0, DATA16-0, RD, WR, FLAG3–0, DAI_Px, DPI_Px, EMU, TDO, CLKOUT, XTAL.}
3 _{See Output Drive Currents on Page 43 for typical drive current capabilities.}
4 _{Applies to input pins: BOOTCFGx, CLKCFGx, TCK, RESET, CLKIN.}
5 _{Applies to input pins with 22.5 kΩ internal pull-ups: TRST, TMS, TDI.}
6 _{Applies to three-statable pins: FLAG3–0.}
7 _{Applies to three-statable pins with 22.5 kΩ pull-ups: DAI_Px, DPI_Px, EMU.}
8 _{Typical internal current data reflects nominal operating conditions.}
9 _{See Engineer-to-Engineer Note (No. TBD) for further information.}
10_{Applies to all signal pins.}
11_{Guaranteed, but not tested.}
Max Unit
V
0.4
V
10
μA
10
μA
200
μA
10
μA
10
μA
200
μA
500
mA
4.7
pF
Rev. PrA | Page 15 of 48 | June 2006