TMS27C020-10JL

只读存储器 READ-ONLY MEMORIES

description

The TMS27C020 series are 262144 by 8-bit 2097152-bit, ultraviolet UV light erasable, electrically programmable read-only memories EPROMs.

The TMS27PC020 series are one-time program mable OTP electrically programmable read-only memories PROMs.

Organization...262144 by 8 Bits

Single 5-V Power Supply

Operationally Compatible With Existing Megabit EPROMs

Industry Standard 32-Pin Dual-In-line Package and 32-Lead Plastic Leaded Chip Carrier

All Inputs/Outputs Fully TTL Compatible

±10% VCC Tolerance

Max Access/Min Cycle Time VCC ± 10%

   ’27C/PC020-10 100 ns

   ’27C/PC020-12 120 ns

   ’27C/PC020-15 150 ns

   ’27C/PC020-20 200 ns

   ’27C/PC020-25 250 ns

8-Bit Output For Use in Microprocessor-Based Systems

Very High-Speed SNAP! Pulse Programming

Power Saving CMOS Technology

3-State Output Buffers

400 mV Minimum DC Noise Immunity With Standard TTL Loads

Latchup Immunity of 250 mA on All Input and Output Pins

No Pullup Resistors Required

Low Power Dissipation VCC= 5.5 V

   – Active...165 mW Worst Case

   – Standby...0.55 mW Worst Case CMOS-Input Levels

Temperature Range Options