Additional preview pages of the M29W640D datasheet.
M29W640D Product details
Features
M29DW323
¾32Mb (4Mbx8 / 2Mbx16), Boot Block ¾Access Time ¾70, 90ns ¾Supply Voltage ¾Vcc = 2.7V to 3.6V for Program, Erase and Read ¾Vpp = 12V for fast Program (optional) ¾Programming Time ¾10µs per Byte/Word typical ¾Double Word / Quadruple Byte Program ¾Low Power Consumption ¾Standby and Automatic Standby ¾Dual Operations: ¾Read in one bank or group of banks while Program or Erase in the other
HD & Cons. Division - May, 2004 M29DW. ppt.