參數(shù)資料
型號: CL-PS7111
廠商: Cirrus Logic, Inc.
英文描述: Low-Power System-on-a-Chip
中文描述: 低功耗系統(tǒng)級晶片
文件頁數(shù): 75/105頁
文件大?。?/td> 1207K
代理商: CL-PS7111
PRELIMINARY DATA BOOK v2.0
September 1997
74
ELECTRICAL SPECIFICATIONS
CL-PS7111
Low-Power System-on-a-Chip
6.3
DC Characteristics
All characteristics are specified at
VDD
= 2.7 V (
±
5%) at 13.0 MHz or 3.3 V (
±
10%) at 18.432 MHz, and
VSS = 0 V over an operating temperature of 0
°
C to +70
°
C. The current consumption figures relate to typ-
ical conditions at 3.3 V, 18.432-MHz operation with the PLL switched on.
a
Assumes buffer has no pull-up or pull-down resistors.
Symbol
Parameter
MIN
MAX
Units
Conditions
VIH
CMOS input high voltage
0.7
×
VDD
VDD
+
0.3
V
VIL
CMOS input low voltage
0.3
0.2
×
VDD
V
VT+
Schmitt trigger positive going
threshold
1.52
2.26
V
VT-
Schmitt trigger negative going
threshold
0.72
1.29
V
VHST
Schmitt trigger hysteresis
0.64
1.13
V
VIL to VIH
VOH
CMOS output high voltage
Output drive 1 and 2
Output drive 3 and 4
VDD
0.1
VDD
1.0
VDD
1.0
V
V
V
IOH = 0.8 mA
IOH = 3 mA
IOH = 12 mA
VOL
CMOS output low voltage
Output drive 1 and 2
Output drive 3 and 4
0.1
0.5
0.5
V
V
V
IOL = -0.8 mA
IOL = -3 mA
IOL = -12 mA
IIN
Input leakage current
10
+
10
μ
A
VIN = VDD or GND
IOZ
Output tristate leakage current
a
10
+
10
μ
A
VOUT = VDD or GND
CIN
Input capacitance
5
pF
COUT
Output capacitance
5
pF
CI/O
Transceiver capacitance
5
pF
IDD
startup
Start-up current consumption
50
μ
A
Initial 100 ms from power up,
32-kHz oscillator not stable, POR
signal at VIL, all other I/O static,
VIH = VDD
±
0.1 V, VIL = GND
±
0.1 V
IDD
standby
Standby current consumption
20
μ
A
Just 32-kHz oscillator running, all
other I/O static, VIH = VDD
±
0.1
V, VIL = GND
±
0.1 V
IDD
idle
Idle current consumption
6
mA
Both oscillators running, CPU
static, LCD refresh active, VIH =
VDD
±
0.1 V, VIL = GND
±
0.1 V
IDD
operating
Operating current consumption
40
mA
All system active, running typical
program
VDD
standby
Standby supply voltage
2.2
V
Minimum standby voltage for
state retention and RTC opera-
tion only
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