The H8S/2140B Group is supported only for the customers who have already adopted any of the products. For new adoption, please consider other products such as RX651, RX210 Group.

Key Features:

  • Best suited for the laptop PC keyboard and power management controllers.
  • Enabling the applications of the system monitoring controller for the PC/UNIX server.
  • Suitable for other systems requiring the LPC interface.
  • Recommended for users of the I2C bus interface with a system in which the CPU software load is high.
  • For systems requiring more general-purpose I/O ports.
  • For systems larger than the H8S/2148AF.
  • H8S/2000CPU
    • Standard instruction can be executed in 1 state.
    • Operating frequency (MHz)/Supply voltage (V)
      • H8S/2161B 3V/10MHz
      • H8S/2160B 3V/10MHz
      • H8S/2141B 3V/10MHz
      • H8S/2140B 3V/10MHz
      • H8S/2145B 3V/10MHz, 5V/20MHz
      • H8S/2148B 3V/10MHz, 5V/20MHz
    • H8S/2161B (128KB/4KB)
    • H8S/2160B (64KB/4KB)
    • H8S/2141B (128KB/4KB)
    • H8S/2140B (64KB/4KB)
    • H8S/2145B (256KB/8KB)
    • H8S/2148B (128KB/4KB)
  • I/O ports (input/output)
    • 74 pins(H8S/2140B, H8S/2141B, H8S/2145B, H8S/2148B)
    • 114 pins(H8S/2160B, H8S/2161B)
    • 8 input ports
  • Package


Product name



Body size

Pin pitch

H8S/2161B, H8S/2160B



16.0×16.0 mm

0.4 mm

H8S/2141B, H8S/2140B,
H8S/2145B, H8S/2148B



14.0×14.0 mm

0.5 mm




14.0×14.0 mm

0.5 mm

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