Datasheet

ADSP-2184L/ADSP-2185L/ADSP-2186L/ADSP-2187L
Rev. C | Page 21 of 48 | January 2008
SPECIFICATIONS
OPERATING CONDITIONS
ELECTRICAL CHARACTERISTICS
Parameter
1
1
Specifications subject to change without notice.
K Grade (Commercial) B Grade (Industrial)
Unit
Min Max Min Max
V
DD
3.0 3.6 3.0 3.6 V
T
AMB
0 +70–40 +85°C
K and B Grades
Parameter
1
1
Specifications subject to change without notice.
Description Test Conditions Min Typ Max Unit
V
IH
Hi-Level Input Voltage
2, 3
2
Bidirectional pins: D23–0, RFS0, RFS1, SCLK0, SCLK1, TFS0, TFS1, A13–1, PF7–0.
3
Input only pins: CLKIN, RESET, BR, DR0, DR1, PWD.
@ V
DD
= Max
@ V
DD
= Max
2.0
2.2
V
V
V
IL
Lo-Level Input Voltage
2, 3
@ V
DD
= Min 0.8 V
V
OH
Hi-Level Output Voltage
2, 4, 5
4
Output pins: BG, PMS, DMS, BMS, IOMS, CMS, RD, WR, PWDACK, A0, DT0, DT1, CLKOUT, FL2–FL0, BGH.
5
Although specified for TTL outputs, all ADSP-218xL outputs are CMOS-compatible and will drive to V
DD
and GND, assuming no dc loads.
@ V
DD
= Min, I
OH
= –0.5 mA
@ V
DD
= Min, I
OH
= –100 μA
6
6
Guaranteed but not tested.
1.35
V
DD
– 0.3
V
V
V
OL
Lo-Level Output Voltage
2, 4, 5
@ V
DD
= Min, I
OL
= 2.0 mA 0.4 V
I
IH
Hi-Level Input Current
3
@ V
DD
= Max, V
IN
= V
DD
Max 10 μA
I
IL
Lo-Level Input Current
3
@ V
DD
= Max, V
IN
= 0 V 10 μA
I
OZH
Three-State Leakage Current
7
7
Three-statable pins: A13–A1, D23–D0, PMS, DMS, BMS, IOMS, CMS, RD, WR, DT0, DT1, SCLK0, SCLK1, TFS0, TFS1, RFS0, RFS1, PF7–PF0.
@ V
DD
= Max, V
IN
= V
DD
Max
8
8
0 V on BR.
10 μA
I
OZL
Three-State Leakage Current
7
@ V
DD
= Max, V
IN
= 0 V
8
10 μA
C
I
Input Pin Capacitance
3, 6
@ V
IN
= 3.5 V, f
IN
= 1.0 MHz, T
AMB
= 25°C8pF
C
O
Output Pin Capacitance
6, 7, 9
9
Output pin capacitance is the capacitive load for any three-stated output pin.
@ V
IN
= 2.5 V, f
IN
= 1.0 MHz, T
AMB
= 25°C8pF