AT24C128B-PU Atmel, AT24C128B-PU Datasheet - Page 7

• Manufacturer Part Number: AT24C128B-PU
• Description: IC EEPROM 128KBIT 1MHZ 8DIP
• Manufacturer: Atmel

Specifications of AT24C128B-PU

• Format - Memory: EEPROMs - Serial
• Memory Type: EEPROM
• Memory Size: 128K (16K x 8)
• Speed: 400kHz, 1MHz
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 1.8 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 8-DIP (0.300", 7.62mm)
• Organization: 16 K x 8
• Interface Type: 2-Wire
• Maximum Clock Frequency: 1 MHz
• Access Time: 550 ns
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 1.8 V
• Maximum Operating Current: 3 mA
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• Minimum Operating Temperature: - 40 C
• Operating Supply Voltage: 2.5 V, 3.3 V
• Memory Configuration: 16384 X 8
• Clock Frequency: 1MHz
• Supply Voltage Range: 2V To 6V
• Memory Case Style: DIP
• No. Of Pins: 8
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 6-3.
Figure 6-4.
Figure 6-5.
Note:
5296A–SEEPR–1/08
SCL
SDA
SDA
SCL
1. The write cycle time t
SDA OUT
SDA IN
WORDn
Software Reset
Bus Timing
Write Cycle Timing
Start bit
SCL
8th BIT
cycles, (c) create another start bit followed by stop bit condition as shown below. The device is
ready for next communication after above steps have been completed.
t
SU.STA
1
WR
is the time from a valid stop condition of a write sequence to the end of the internal clear/write cycle.
ACK
2
t
HD.STA
t
t
F
LOW
CONDITION
Dummy Clock Cycles
STOP
3
t
AA
t
HIGH
t
HD.DAT
t
8
wr
t
(1)
LOW
9
t
t
SU.DAT
DH
CONDITION
START
Start bit
AT24C128B
t
Stop bit
R
t
SU.STO
t
BUF
7