IC Integrate Circuit SMD Type AMS24CXX Two-wire Serial EEPROM AMS24C01A/02/04/08A/16A ■ Features TSSOP-8 ● Low-voltage and Standard-voltage Operation Unit: mm -2.7 (VCC = 2.7V to 5.5V) -1.8 (VCC = 1.8V to 5.5V) ● Two-wire Serial Interface ● Schmitt Trigger, Filtered Inputs for Noise Suppression ● Bidirectional Data Transfer Protocol ● 100 kHz (1.8V) and 400 kHz (2.7V, 5V) Compatibility ● Write Protect Pin for Hardware Data Protection ■ Absolute Maximum Ratings Parameter Rating Unit Operating Temperature -55 to +125 ℃ Storage Temperature -65 to +150 ℃ Voltage on Any Pin with Respect to Ground -1.0 to +7.0 V Maximum Operating Voltage DC Output Current 6.25 V 5 mA A0 A1 A2 GND 1 2 3 4 8 7 6 5 VCC WP SCL SDA ■ Block Diagram 1 1 IC Integrate Circuit SMD Type AMS24C01A/02/04/08A/16A AMS24CXX ■Pin Capacitance Applicable over recommended operating range from TA= 25℃ f = 1.0 MHz, VCC = +1.8V. Parameter Symbol Testconditons Max Unit Input/Output Capacitance (SDA) CI/O VI/O = 0V 8 pF Input Capacitance (A0, A1, A2, SCL) CIN VIN = 0V 6 pF ■ DC Characteri stics Applicable over recommended operating range from : TA = -40℃ to +85℃, VCC = +1.8V to +5.5V (unless otherwise noted). Max Unit Supply Voltage Parameter Symbol VCC1 Testconditons 1.8 5.5 V Supply Voltage VCC2 2.7 5.5 V Supply Voltage Typ VCC3 5.5 V Supply Current VCC = 5.0V ICC READ at 100 kHz 0.4 1.0 mA Supply Current VCC = 5.0V ICC WRITE at 100 kHz 2.0 3.0 mA Standby Current VCC = 1.8V ISB1 VIN = VCC or VSS 0.6 3.0 μA 4.5 Standby Current VCC = 2.5V ISB2 VIN = VCC or VSS 1.4 4.0 μA Standby Current VCC = 2.7V ISB3 VIN = VCC or VSS 1.6 4.0 μA Standby Current VCC = 5.0V ISB4 VIN = VCC or VSS 8.0 18.0 μA Input Leakage Current ILI VIN = VCC or VSS 0.10 3.0 μA Output Leakage Current ILO VOUT = VCC or VSS 0.05 3.0 μA Input Low Level*1 VIL -0.6 VCC x 0.3 V VCC x 0.7 Input High Level*1 VCC + 0.5 V Output Low Level VCC = 3.0V VOL2 VIH IOL = 2.1 mA 0.4 V Output Low Level VCC = 1.8V VOL1 IOL = 0.15 mA 0.2 V *1. VIL min and VIH max are reference only and are not tested. 2 Min 2 IC Integrate Circuit SMD Type AMS24C01A/02/04/08A/16A AMS24CXX ■AC Characteristics Applicable over recommended operating range from TAI = -40℃ to +85℃, VCC = +1.8V to +5.5V, VCC = +2.7V to +5.5V, CL = 1 TTL Gate and 100 pF (unless otherwise noted) Parameter 1.8-V Symbol Min Clock Frequency, SCL fSCL 2.7, 5.0-V Max Min 100 Units Max 400 kHz Clock Pulse Width Low tLOW 4.7 1.2 μs Clock Pulse Width High tHIGH 4.0 0.6 μs Noise Suppression Time*1 tI 100 Clock Low to Data Out Valid tAA 0.1 Time the bus must be free before a new transmission can start*1 tBUF 4.7 4.5 0.1 50 ns 0.9 μs μs 1.2 Start Hold Time tHD.STA 4.0 0.6 μs Start Setup Time tSU.STA 4.7 0.6 μs Data In Hold Time tHD.DAT 0 0 μs 200 Data In Setup Time tSU.DAT Inputs Rise Time*1 tR 1.0 100 0.3 μs ns Inputs Fall Time*1 tF 300 300 ns tSU.STO 4.7 0.6 μs Data Out Hold Time tDH 100 50 ns Write Cycle Time tWR Stop Setup Time 5.0V, 25℃, Byte Mode Endurance*1 5 1M 5 1M ms Write Cycles *1. This parameter is characterized. 3 3 IC Integrate Circuit SMD Type AMS24C01A/02/04/08A/16A AMS24CXX Bus Timing Figure 1. SCL: Serial Clock, SDA: Serial Data I/O Write Cycle Timing Figure 2. SCL: Serial Clock, SDA: Serial Data I/O SCL SDA 8th BIT ACK WORDn (1) twr STOP CONDITION Note: START CONDITION 1. The write cycle time tWR is the time from a valid stop condition of a write sequence to the end of the internal clear/write cycle. Figure 3. Data Validity 4 4 Integrate Circuit IC SMD Type AMS24C01A/02/04/08A/16A AMS24CXX Figure 4. Start and Stop Definition Figure 5. Output Acknowledge 5 5