參數(shù)資料
型號(hào)： EP7312-EV-90
廠商： Cirrus Logic, Inc.
英文描述： HIGH-PERFORMANCE, LOW-POWER SYSTEM ON CHIP WITH SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE
中文描述： 高性能，低功耗的片上系統(tǒng)的SDRAM和增強(qiáng)數(shù)字音頻接口
文件頁(yè)數(shù)： 13/64頁(yè)
文件大小： 1710K
代理商： EP7312-EV-90
DS508PP5
Copyright Cirrus Logic, Inc. 2003
(All Rights Reserved)
13
EP7312
High-Performance, Low-Power System on Chip
ELECTRICAL SPECIFICATIONS
Absolute Maximum Ratings
Recommended Operating Conditions
DC Characteristics
All characteristics arespecified at V
DDCORE
= 2.5 V, V
DDIO
= 3.3 V and V
SS
= 0 V over an operating temperature of 0°C
to +70°C for all frequencies of operation. The current consumption figures have test conditions specified per
parameter.”
DC Core, PLL, and RTC Supply Voltage
2.9 V
DC I/O Supply Voltage (Pad Ring)
3.6 V
DC Pad Input Current
±
10 mA/pin;
±
100 mA cumulative
Storage Temperature, No Power
–
40
°
C to +125
°
C
DC core, PLL, and RTC Supply Voltage
2.5 V
±
0.2 V
DC I/O Supply Voltage (Pad Ring)
2.3 V - 3.5 V
DC Input / Output Voltage
O
–
I/O supply voltage
Operating Temperature
Extended -20
°
C to +70
°
C; Commercial 0
°
C to +70
°
C;
Industrial -40
°
C to +85
°
C
Symbol
Parameter
Min
Typ
Max
Unit
Conditions
VIH
CMOS input high voltage
0.65
×
V
DDIO
-
V
DDIO
+ 0.3
V
V
DDIO
= 2.5 V
VIL
CMOS input low voltage
V
SS
0.3
-
0.25
×
V
DDIO
V
V
DDIO
= 2.5 V
VT+
Schmitt trigger positive going
threshold
-
-
2.1
V
VT-
Schmitt trigger negative going
threshold
0.8
-
-
V
Vhst
Schmitt trigger hysteresis
0.1
-
0.4
V
VIL to VIH
VOH
CMOS output high voltage
a
Output drive 1
a
Output drive 2
a
V
DD
–
0.2
2.5
2.5
-
-
-
-
-
-
V
V
V
IOH = 0.1 mA
IOH = 4 mA
IOH = 12 mA
VOL
CMOS output low voltage
a
Output drive 1
a
Output drive 2
a
-
-
-
-
-
-
0.3
0.5
0.5
V
V
V
IOL =
–
0.1 mA
IOL =
–
4 mA
IOL =
–
12 mA
IIN
Input leakage current
-
-
1.0
μA
VIN = V
DD
or GND
IOZ
Bidirectional 3-state leakage
current
b c
25
-
100
μA
VOUT = V
DD
or GND
CIN
Input capacitance
8
-
10.0
pF
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