BL7442LV Low voltage
Intelligent 2K bits EEPROM
Electrical Parameter
• Absolute Maximum Ratings
Parameter
Symbol
Limit Values
min.
typ.
Max
Supply voltage
VCC
-0.3
6.0
Input voltage (any pin)
VI
-0.3
6.0
Storage temperature
TS
-40
125
Power comsumption
PT
-
70
Operation temperature
-35
70
Unit
Test Condition
V
V
℃
mw
℃
• DC Characteristics
Parameter
Symbol
Limit Values
min.
typ.
Max
Unit
Test Condition
Supply voltage
VCC
3.0
5.0
5.5
V
Supply current
ICC
3
10
mA
High-level input voltage
(I/O,CLK,RST)
VIH
VCC -1
-
VCC +0.3
V
Low-level input voltage
(I/O,CLK,RST)
VIL
VGND-0.2
-
VGND
+0.8
V
High-level input current
(I/O,CLK,RST)
IH
-
-
50
µA
Low-level output current
(I/O)
IOL
1
-
-
mA
VOL =0.4V,open
drain
High-level
leakage
current
IOH
-
(I/O)
-
50
A
VOH = VCC,open
drain
Input capacitance
CI
-
-
10
pF
• AC Characteristics
Parameter
Clock frequency
Symbol
Limit Values
min.
typ.
Max
Unit Test Condition
CLK
7
50
Clock high period
tH
9
Clock low period
tL
9
Rise time
tR
Fall time
tF
Hold time start condition
td1
4
Delay time
td2
Setup time for stop condition
td3
4
Setup time
td4
4
Hold time data
td5
1
Answer to reset
td6
20
Setup time data
td7
1
Setup time for start condition
td78
4
Reset
tRES
5
Delay time
tdg
2.5
Eraser time
TER
2.5*
Write time
tWR
2.5*
Time before new start condition
TBUF
10
µs
µs
1
µs
1
µs
µs
2.5
µs
µs
µs
µs
µs
µs
µs
µs
µs
ms
ms
µs
*f =50 kHz
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-9-
Total 10 Pages
8/16/2006