Datasheet

SN74FB2033A
8-BIT TTL/BTL REGISTERED TRANSCEIVER
SCBS174M – NOVEMBER 1991 – REVISED SEPTEMBER 2001
5–42
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
Function Tables (Continued)
LOOPBACK
LOOPBACK
Q
†
L B port
H Point P
‡
†
Q is the input to the B-to-A
logic element.
‡
P is the output of the A-to-B
logic element (see functional
block diagram).
SELECT
INPUTS
SELECTED LOGIC
MODE1 MODE0
ELEMENT
L L Buffer
L H Flip-flop
H X Latch
FLIP-FLOP
INPUTS
CLK/LE DATA
OUTPUT
L X Q
0
↑ LH
↑ H L