AT34C02 Просмотр технического описания (PDF) - Atmel Corporation
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AT34C02 Datasheet PDF : 12 Pages
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AT34C02
nected to ground (GND) or when left floating. When the
Write Protect pin is connected to VCC, the write protection
AT34C02 Write Protection Modes
feature is enabled for the entire array. The write protection
modes are shown in the following table.
WP Pin Status
VCC
GND or Floating
Write Protect Register
—
Not Programmed
Part of the Array Write Protected
Full Array (2K)
Normal Read/Write
GND or Floating
Programmed
First-Half of Array
(1K: 00H - 7FH)
Pin Capacitance(1)
Applicable over recommended operating range from TA = 25°C, f = 1.0 MHz, VCC = +1.8V
Symbol Test Condition
Max
CI/O
Input/Output Capacitance (SDA)
8
CIN
Input Capacitance (A0, A1, A2, SCL)
6
Note: 1. This parameter is characterized and is not 100% tested
Units
pF
pF
Conditions
VI/O = 0V
VIN = 0V
DC Characteristics
Applicable over recommended operating range from: TAI = -40°C to +85°C, VCC = +1.8V to +5.5V, TAC = 0°C to +70°C,
VCC = +1.8V to +5.5V (unless otherwise noted).
Symbol Parameter
Test Condition
Min
Typ
Max Units
VCC1
VCC2
VCC3
ICC
ICC
ISB1
ISB2
ISB3
ILI
ILO
VIL
VIH
VOL2
VOL1
Note:
Supply Voltage
Supply Voltage
Supply Voltage
Supply Current VCC = 5.0V
Supply Current VCC = 5.0V
Standby Current VCC = 1.8V
Standby Current VCC = 2.7V
Standby Current VCC = 5.0V
Input Leakage Current
Output Leakage Current
Input Low Level(1)
READ at 100 KHz
WRITE at 100 KHz
VIN = VCC or VSS
VIN = VCC or VSS
VIN = VCC or VSS
VIN = VCC or VSS
VOUT = VCC or VSS
Input High Level(1)
Output Low Level VCC = 3.0V
IOL = 2.1 mA
Output Low Level VCC = 1.8V
IOL = 0.15 mA
1. VIL min and VIH max are reference only and are not tested.
1.8
2.7
4.5
-0.6
VCC x 0.7
0.4
2.0
0.6
1.6
8.0
0.10
0.05
5.5
V
5.5
V
5.5
V
1.0
mA
3.0
mA
3.0
µA
4.0
µA
18.0
µA
3.0
µA
3.0
µA
VCC x 0.3
V
VCC + 0.5
V
0.4
V
0.2
V
3
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