參數(shù)資料
型號： 25LC320
廠商： Microchip Technology Inc.
英文描述： 32K 2.5V SPI Bus Serial EEPROM
中文描述： 32K的2.5V的SPI總線串行EEPROM
文件頁數(shù)： 2/12頁
文件大小： 87K
代理商： 25LC320
25LC320
DS21158B-page 2
Preliminary
1996 Microchip Technology Inc.
1.0
ELECTRICAL
CHARACTERISTICS
1.1
Maximum Ratings
*
V
All inputs and outputs w.r.t. V
Storage temperature ............................ -65
Ambient temperature under bias.......... -65
Soldering temperature of leads
(10 seconds) .................................................... +300
ESD protection on all pins..................................... 4 kV
*Notice:
Stresses above those listed under ‘Maximum ratings’
may cause permanent damage to the device. This is a stress rat-
ing only and functional operation of the device at those or any
other conditions above those indicated in the operational listings
of this specification is not implied. Exposure to maximum rating
conditions for extended period of time may affect device reliability
CC
........................................................................7.0V
SS
.......-0.6V to V
CC
+1.0V
°
°
C to 150
C to 125
°
°
C
C
°
C
TABLE 1-1:
PIN FUNCTION TABLE
Name
CS
SO
SI
SCK
WP
V
SS
V
CC
HOLD
NC
Function
Chip Select Input
Serial Data Output
Serial Data Input
Serial Clock Input
Write Protect Pin
Ground
Supply Voltage
Hold Input
No Connect
FIGURE 1-1: AC TEST CIRCUIT
1.2
AC Test Conditions
AC Waveform:
V
LO
V
HI
V
HI
= 0.2V
= Vcc - 0.2V
= 4.0V
(Note 1)
(Note 2)
Timing Measurement Reference Level
Input
Output
Note 1: For V
CC
≤
2: For V
CC
> 4.0V
0.5 V
0.5 V
CC
CC
4.0V
Vcc
SO
100 pF
1.8 K
2.25 K
TABLE 1-2:
DC CHARACTERISTICS
Applicable over recommended operating ranges shown below unless otherwise noted:
V
CC
= 2.5V to 5.5V
Commercial (C):
Tamb
= 0
°
C to +70
°
C
Industrial (I):
Tamb
= -40
°
C to +85
°
C
Parameter
Symbol
High level input voltage
V
IH1
V
IH2
Low level input voltage
V
IL1
V
IL2
Low level output voltage
V
OL
High level output voltage
V
OH
Input leakage current
I
LI
Output leakage current
I
LO
Internal Capacitance
(all inputs and outputs)
Operating Current
I
CC write
Min
2.0
Max
V
CC
V
CC
0.8
0.3 V
0.4
—
10
10
Units
V
V
V
V
V
V
μ
A
μ
A
pF
Test Conditions
2.7V
< 2.7V
≥
2.7V
< 2.7V
=2.1 mA
=-400
μ
A
CS=V
IH
, V
IN
=GND to V
CS=V
IH
, V
OUT
Tamb=25
°
C, F
V
CC
=5.5V (Note)
V
CC
=5.5V; SO=Open
V
CC
=2.5V; SO=Open
V
CC
=5.5V; SO=Open, F
V
CC
=2.5V; SO=Open, F
CS=V
CC
=5.5V; V
CS=V
CC
=2.5V; V
+1
+1
V
V
V
V
I
OL
I
OH
CC
≥
0.7 V
-0.3
-0.3
—
V
CC
-10
-10
—
CC
CC
CC
CC
CC
-0.5
CC
=GND to V
= 1.0 MHz,
CC
C
INT
7
CLK
—
—
—
—
—
5
3
1
mA
mA
mA
μ
A
μ
A
μ
A
I
CC
read
500
5
2
CLK
CLK
=3.0 MHz
=2.0 MHz
Standby Current
I
CCS
IN
IN
=Gnd or V
=Gnd or V
CC
CC
Note:
This parameter is periodically sampled and not 100% tested.
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