
HCS244MS
AC Timing Diagrams
AC Load Circuit
VIH
VIL
VOH
VOL
VOH
VOL
VS
INPUT
TPLH
VS
TPHL
OUTPUT
TTLH
20%
80% 80%
OUTPUT
TTHL
20%
AC VOLTAGE LEVELS
PARAMETER
VCC
VIH
VS
VIL
GND
HCS
4.50
3.00
1.30
0
0
UNITS
V
V
V
V
V
DUT
CL
CL = 50pF
RL = 500Ω
TEST
POINT
RL
Three-State Low Timing Diagrams
VIH
VIL
VOZ
VOL
VS
INPUT
TPZL
VT
TPLZ
OUTPUT
VW
Three-State Low Load Circuit
RL
DUT
TEST
POINT
CL
CL = 50pF
RL = 500Ω
THREE-STATE LOW VOLTAGE LEVELS
PARAMETER
VCC
VIH
VS
VT
VW
GND
HCS
4.50
4.50
2.25
2.25
0.90
0
UNITS
V
V
V
V
V
V
Spec Number 518763
319