參數(shù)資料
型號: ST62E94F1
英文描述: IC PSRAM 32MB 54-VFBGA
中文描述: 通信集成電路
文件頁數(shù): 66/82頁
文件大?。?/td> 870K
代理商: ST62E94F1
66/82
ST62T18C/E18C
DC ELECTRICAL CHARACTERISTICS
(Cont’d)
(T
A
= -40 to +85°C unless otherwise specified))
Note:
(*) All Peripherals in stand-by.
6.4 AC ELECTRICAL CHARACTERISTICS
(T
A
= -40 to +125°C unless otherwise specified)
Notes:
1. Period for which V
DD
has to be connected at 0V to allow internal Reset function at next power-up.
2 An oscillator frequency above 1MHz is recommended for reliable A/D results.
3. Measure performed with OSCin pin soldered on PCB, with an around 2pF equivalent capacitance.
Symbol
Parameter
Test Conditions
Value
Unit
Min.
Typ.
4.1
3.8
Max.
4.3
V
up
V
dn
LVD Threshold in power-on
LVD threshold in powerdown
V
dn
+50 mV
3.6
V
V
V
up
-50 mV
0.1
0.8
1.2
0.1
0.8
1.3
2.0
V
OL
Low Level Output Voltage
All Output pins
V
DD
= 5.0V; I
OL
= +10μA
V
DD
= 5.0V; I
OL
= + 5mA
V
DD
= 5.0V; I
OL
= + 10mAv
V
DD
= 5.0V; I
OL
= +10μA
V
DD
= 5.0V; I
OL
= +10mA
V
DD
= 5.0V; I
OL
= +20mA
V
DD
= 5.0V; I
OL
= +30mA
V
DD
= 5.0V; I
OH
= -10μA
V
DD
= 5.0V; I
OH
= -5.0mA
I
LOAD
=0mA
V
DD
=5.0V
V
Low Level Output Voltage
20 mA Sink I/O pins
V
OH
High Level Output Voltage
All Output pins
Supply Current in STOP
Mode, with LVD disabled
(*)
4.9
3.5
V
I
DD
10
μ
A
Symbol
Parameter
Test Conditions
Value
Typ.
Unit
Min.
100
200
Max.
t
REC
f
LFAO
Supply Recovery Time
(1)
Internal frequency with LFAO active
ms
kHz
400
800
f
OSG
Internal Frequency with OSG
enabled
2)
V
DD
= 3V
V
DD
= 3.6V
V
DD
= 4.5V
V
DD
= 6V
VDD=5.0V
R=47k
R=100k
R=470k
All Inputs Pins
All Outputs Pins
1
1
2
2
f
OSC
MHz
f
RC
Internal frequency with RC oscillator
and OSG disabled
2) 3)
4
2.7
800
5
3.2
850
5.8
3.5
900
10
10
MHz
MHz
kHz
pF
pF
C
IN
C
OUT
Input Capacitance
Output Capacitance
66
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