HD74CDCV857 Datasheet, PDF (2/15 Pages) Hitachi Semiconductor – 2.5-V Phase-lock Loop Clock Driver

HD74CDCV857
Function Table
Inputs
: Outputs
AV_CC PWRDWN CLK CLK : Y
Y
GND H
L
H
:L
H
GND H
H
L
:H
L
X
L
L
H
:Z
Z
X
L
H
L
:Z
Z
2.5 V H
L
H
:H
L
2.5 V H
H
L
:H
L
2.5 V X
0 MHz 0 MHz : Z
Z
H:
L:
X:
Z:
Note:
High level
Low level
Don’t care
High impedance
1. Bypasse mode is used for Hitachi test mode.
:
FBOUT FBOUT
L
H
:
H
L
:
Z
Z
:
Z
Z
:
H
L
:
H
L
:
Z
Z
:
PLL
Bypassed / off ^*1
Bypassed / off ^*1
off
off
on
on
off
2