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_____________________________________ CMOS Peripherals
CDP1872C, CDP1874C, CDP1875C
(51 22 VDD
010 21 017
000
20 007
01 I
19 016
DO I 012 -
18 006
17 oro
002 16 005
Dt3 ~ 8
15 014
003 ---
14 004
CLOCK
~~~
13 - CLR
Vss ---~___ I.T- C52
TOP vIE W
CDP1872C Input Port TERMINAL ASSIGNMENT
High-Speed 8-Bit Input and Output Ports
Features:
• Parallel 8-bit input/output register with buffered outputs • High-spead data-in to data-out:
85 ns (max.) at Vee = 5 V • Flexible applications in microprocessor systems as
buffers and latches • High order address-latch capability in CDP1800 series
microprocessor systems • Output sink current = 5 mA (min.
CDP1872C Datasheet
