TC4520BP/BF/BFN

2007-10-01

1

TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic

TC4520BP,TC4520BF,TC4520BFN

TC4520B Dual Binary Up Counter

TC4520B is up counters of 4 bit binary.

Since both of TC4520B contain two independent circuits of

counters with the same functions in one package, counting or

frequency division of two BCD digits or eight binary bits can be

achived with one IC. The counters can be reset to “0” (Q0~Q3 =

“L”) by giving “H” level signal to RESET input regardless of other

inputs.

The counting condition is changed by the rising edge of CLOCK

input if ENABLE = “H” or by the falling edge of ENABLE if

CLOCK = “L”.

Pin Assignment

Note: xxxFN (JEDEC SOP) is not available in

Japan.

TC4520BP

TC4520BF

TC4520BFN

Weight

DIP16-P-300-2.54A

: 1.00 g (typ.)

SOP16-P-300-1.27A

: 0.18 g (typ.)

SOL16-P-150-1.27

: 0.13 g (typ.)