mc54hc573a Freescale Semiconductor, Inc, mc54hc573a Datasheet - Page 5

• Manufacturer Part Number: mc54hc573a
• Description: Octal 3-state Noninverting Transparent Latch
• Manufacturer: Freescale Semiconductor, Inc

High–Speed CMOS Logic Data
DL129 — Rev 6
DEVICE
UNDER
TEST
OUTPUT
INPUT D
ENABLE
Q
Q
Q
* Includes all probe and jig capacitance
t PLH
* Includes all probe and jig capacitance
t r
OUTPUT
t TLH
DEVICE
UNDER
50%
TEST
Figure 5. Test Circuit
Figure 6. Test Circuit
TEST POINT
10%
10%
50%
50%
50%
1.3 V
90%
90%
t PZL
t PZH
Figure 1.
Figure 3.
C L *
1 kΩ
OUTPUT
t PHZ
t PLZ
TEST POINT
CONNECT TO GND WHEN
CONNECT TO V CC WHEN
TESTING t PLZ AND t PZL .
TESTING t PHZ AND t PZH .
C L *
t f
10%
90%
t PHL
SWITCHING WAVEFORMS
t THL
V CC
GND
3.0 V
GND
HIGH
IMPEDANCE
V OL
V OH
HIGH
IMPEDANCE
5
ENABLE
OUTPUT ENABLE
LATCH
INPUT D
LATCH ENABLE
ENABLE
LATCH
D0
D1
D2
D3
D4
D5
D6
D7
Q
2
3
4
5
6
7
8
9
50%
EXPANDED LOGIC DIAGRAM
50%
11
1
50%
t w
t PLH
t SU
Figure 2.
Figure 4.
VALID
50%
t PHL
D
LE
D
LE
D
LE
D
LE
D
LE
D
LE
D
LE
D
LE
t h
Q
Q
Q
Q
Q
Q
Q
Q
MC54/74HC573A
19
18
17
16
15
14
13
12
MOTOROLA
V CC
GND
V CC
GND
V CC
GND
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7