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參數資料
| 型號： | SST-MELODY-DAP |
| 英文描述： | SST-Melody®:-DAP: Audio Processor Data Sheet (Rev. 0. 10/02) |
| 文件頁數： | 5/24頁 |
| 文件大?。?/td> | 585K |
| 代理商： | SST-MELODY-DAP |
REV. 0
SST-Melody-DAP
–5–
ELECTRICAL CHARACTERISTICS
K/B Grades
Min
Parameter
Test Conditions
Typ
Max
Unit
V
IH
V
IH
V
IL
V
OH
Hi-Level Output Voltage
1, 4, 5
Hi-Level Input Voltage
1, 2
Hi-Level CLKIN Voltage
Lo-Level Input Voltage
1, 3
@ V
DDINT
= max
@ V
DDINT
= max
@ V
DDINT
= min
@ V
DDEXT
= min, I
OH
= –0.5 mA
@ V
DDEXT
= 3.0 V, I
OH
= –0.5 mA
@ V
DDEXT
= min, I
OH
= –100 mA
6
@ V
DDEXT
= min, I
OL
= 2 mA
@ V
DDINT
= max, V
IN
= 3.6 V
@ V
DDINT
= max, V
IN
= 0 V
@ V
DDEXT
= max, V
IN
= 3.6 V
8
@ V
DDEXT
= max, V
IN
= 0 V
8
@ V
DDINT
= 2.5, t
CK
= 15 ns
@ V
DDINT
= 2.5, t
CK
= 13.3 ns
@ V
DDINT
= 2.5, 15 ns
10
, T
AMB
= 25
°
C
@ V
DDINT
= 2.5, 13.3 ns
10
, T
AMB
= 25
°
C
1.5
2.0
V
V
V
V
V
V
V
0.7
2.0
2.4
V
DDEXT
– 0.3
V
OL
I
IH
I
IL
I
OZH
Three-State Leakage Current
7
I
OZL
Three-State Leakage Current
7
I
DD
Supply Current (Idle)
9
Lo-Level Output Voltage
1, 4, 5
Hi-Level Input Current
3
Lo-Level Input Current
3
0.4
10
10
10
10
A
A
A
A
9
10
35
38
100
mA
mA
mA
mA
A
I
DD
Supply Current (Dynamic)
9
I
DD
Supply Current (Power-Down)
11
@ V
DDINT
= 2.5, T
AMB
= 25
°
C in Lowest
Power Mode
Input Pin Capacitance
3, 6
@ V
IN
= 2.5 V, f
IN
= 1.0 MHz, T
AMB
= 25
°
C
Output Pin Capacitance
6, 7, 11, 12
@ V
IN
= 2.5 V, f
IN
= 1.0 MHz, T
AMB
= 25
°
C
C
I
C
O
8
8
pF
pF
NOTES
Bidirectional pins: D0–D3, 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 V
DDEXT
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
I
DD
measurement taken with all instructions executing from internal memory. 50% of the instructions are multifunctional (types 1, 4, 5, 12, 13, 14), 30% are type 2
and type 6, and 20% are idle instructions.
10
V
IN
= 0 V and 3 V. For typical figures for supply currents, refer to Power Dissipation section.
11
See Chapter 9 of the
ADSP-2100 Family User’s Manual
(3rd Edition, 9/95) for details.
12
Output pin capacitance is the capacitive load for any three-stated output pin.
Specifications subject to change without notice.
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