MC74VHC574 Datasheet, PDF (5/7 Pages) Motorola, Inc – Octal D-Type Flip-Flop with 3-State Output

VALID
VCC
D
50%
GND
tsu
th
VCC
CP
50%
GND
Figure 3.
DEVICE
UNDER
TEST
TEST POINT
OUTPUT
CL*
* Includes all probe and jig capacitance
Figure 4.
DEVICE
UNDER
TEST
TEST POINT
OUTPUT
1 kΩ
CL*
CONNECT TO VCC WHEN
TESTING tPLZ AND tPZL.
CONNECT TO GND WHEN
TESTING tPHZ AND tPZH.
MC74VHC574
D0 ²
D1 ³
D2 ⁴
D3 ⁵
D4 ⁶
D5 ⁷
D6 ⁸
D7 ⁹
EXPANDED LOGIC DIAGRAM
C
Q
D
C
Q
D
C
Q
D
C
Q
D
C
Q
D
C
Q
D
C
Q
D
C
Q
D
19 _Q0
18 _Q1
17 _Q2
16 _Q3
15 _Q4
14 _Q5
13 _Q6
12 _Q7
CP ¹¹
OE ¹
* Includes all probe and jig capacitance
Figure 5. Test Circuit
INPUT EQUIVALENT CIRCUIT
INPUT
VHC Data – Advanced CMOS Logic
5
DL203 — Rev 1
MOTOROLA