參數(shù)資料
型號(hào)： ADSP-2141LKS-N1
廠商： ANALOG DEVICES INC
元件分類： 加密電路
英文描述： DSP
中文描述： TELECOM, DATA ENCRYPTION CIRCUIT, PQFP208
封裝： METRIC, PLASTIC, QFP-208
文件頁數(shù)： 17/39頁
文件大?。?/td> 257K
代理商： ADSP-2141LKS-N1
REV. 0
–17–
RECOMMENDED OPERATING CONDITIONS
K Grade
Parameter
Min
Max
Unit
V
DD
T
AMB
Supply Voltage
Ambient Operating Temperature
3.0
0
3.6
70
V
°
C
ELECTRICAL CHARACTERISTICS
DC SPECIFICATIONS
K Grade
Typ
Parameter
Test Conditions
Min
Max
Unit
V
IH
V
IH
V
IL
V
OH
Hi-Level Input Voltage
1, 2
Hi-Level CLKIN/Reset Voltage
Lo-Level Input Voltage
1, 3
Hi-Level Output Voltage
1, 4, 5
@ V
DD
= max
@ V
DD
= max
@ V
DD
= min
@ V
DD
= min
I
OH
= –0.5 mA
@ V
DD
= min
I
OH
= –100
μ
A
6
@ V
DD
= min
I
OL
= 2 mA
@ V
DD
= max
V
IN
= V
DD
max
3 @ V
DD
= max
V
IN
= 0 V
@ V
DD
= max
V
IN
= V
DD
max
8
@ V
DD
= max
V
IN
= 0 V
9
@ V
DD
= 3.3
T
AMB
= 25
°
C
t
CK
= 25 ns
12
t
CK
= 30 ns
12
@ V
DD
= 3.3
T
AMB
= 25
°
C
t
CK
= 25 ns
12
t
CK
= 30 ns
12
@ V
IN
= 2.5 V
f
IN
= 1.0 MHz
T
AMB
= 25
°
C
@ V
IN
= 2.5 V
f
IN
= 1.0 MHz
T
AMB
= 25
°
C
2.0
2.4
V
V
V
0.4
2.4
V
V
DD
– 0.3
V
V
OL
Lo-Level Output Voltage
1, 4, 5
0.4
V
I
IH
Hi-Level Input Current
3
10
μ
A
I
IL
Lo-Level Input Current
3
10
μ
A
I
OZH
Three-State Leakage Current
7
10
μ
A
I
OZL
Three-State Leakage Current
9
8
μ
A
I
DD
Supply Current (Idle)
10, 11
16
15
mA
mA
I
DD
Supply Current (Dynamic)
11, 13
195
165
mA
mA
C
I
Input Pin Capacitance
3, 6, 14
8
pF
C
O
Output Pin Capacitance
6, 7, 14, 15
8
pF
NOTES
Bidirectional pins: D0–D31, RFS0, RFS1, SCLK0, SCLK1, TFS0, TFS1, IAD0–15, PF0–PF7.
2
Input only pins:
IRQ2
,
BR
, MMAP, BMODE, BUS MODE, BUS SEL, DR0, DR1,
PWD
,
IRQL0
,
IRQL1
,
IRQE
,
IS
,
IRD
,
IWR
, IAL.
3
Input only pins: CLKIN,
RESET
,
IRQ2
,
BR
, MMAP, BMODE, BUS MODE, BUS SEL, DR0, DR1,
PWD
,
IRQL0
,
IRQL1
,
IRQE
,
IS
,
IRD
,
IWR
, IAL.
4
Output pins:
BG
,
BGH
,
PMS
,
DMSL
,
DMSH
,
BMS
,
IOMS
,
CMS
,
RD
,
WR
,
IACK
, PWDACK, A0–A25, DT0, DT1, CLKOUT, FL2–0.
5
Although specified for TTL outputs, all ADSP-2141L outputs are CMOS-compatible and will drive to V
DD
and GND, assuming no dc loads.
6
Guaranteed but not tested.
7
Output pins:
BG
,
BGH
,
PMS
,
DMSL
,
BMS
,
IOMS
,
DMSH
,
CMS
,
RD
,
WR
,
IACK
, PWDACK, A0–A25, DT0, DT1, CLKOUT, FL2–0, EE_DI, EE_CS, EE_SK.
8
0 V on BR. CLKIN active (to force three-state condition).
9
Three-statable pins: A0–A25, D0–D31,
PMS
,
DMSL
,
DMSH
,
BMS
,
IOMS
,
CMS
,
RD
,
WR
, DT0, DT1, SCKL0, SCLK1, TFS0, TFS1, RFS0, RFS1, IAD0–
IAD15, PF0–PF7.
10
Idle refers to ADSP-2141L state of operation during execution of IDLE Instruction. Deasserted pins are driven to either V
DD
or GND.
11
Current reflects device operating with no output loads.
12
V
IN
= 0.4 V and 2.4 V. For typical supply currents, refer to Power Dissipation section.
13
I
measurement taken with 93% of instructions executing from internal memory and 7% from external memory. H/E operations are executing from internal
memory concurrently with PCI transactions. Initialization operations are executed from external memory.
14
Applies to MQFP package type.
15
Output pin capacitance is the capacitive load for any three-stated output pin.
Specifications subject to change without notice.
ADSP-2141L
SPECIFICATIONS
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