HA457 Datasheet, PDF (2/14 Pages) Intersil Corporation – 95MHz, Low Power, AV = 2, 8 x 8 Video Crosspoint Switch

Functional Block Diagram
HA457
IN0 IN1 IN2 IN3 IN4 IN5 IN6 IN7
OUTPUT
BUFFERS
(A_V = 2)
-
+
EN0
HA457
8x8
SWITCH
MATRIX
OUT0
SER/PAR
D0/SER IN
EN0:7
SLAVE REGISTER
MASTER REGISTER
A0 A1 A2
D2 D3
-
+
EN7
OUT7
LATCH
EDGE/LEVEL
WR
CE
CE
D1/SER OUT
2