UPD7554A中文资料瑞萨数据手册PDF规格书

FEATURES

· Range of supply voltage 7554A : 2.0 to 6.0 V

7554A(A) : 2.7 to 6.0 V

· Drive with two 1.5 V manganese cells

· 47 types of instructions

(Subset of mPD7500H SET B)

· Instruction cycle

External clock : 2.86 ms (in operation at 700 kHz, 5 V)

RC oscillation : 4 ms (in operation at 500 kHz, 5 V)

· Program memory (ROM) capacity: 1024 ´ 8 bits

· Data memory (RAM) capacity: 64 ´ 4 bits

· Test source: One external source and two internal sources