TPIC6B595
POWER LOGIC 8-BIT SHIFT REGISTER
SLIS032 – JULY 1995
PARAMETER MEASUREMENT INFORMATION
5V
G
5V
2
8
13
Word
Generator
(see Note A)
3
12
9
V
SRCLR CC
SRCK
SER IN
RCK
G
GND
10, 11, 19
TEST CIRCUIT
DUT
DRAIN
CL = 30 pF
(see Note B)
ID
4 –7,
14 –17
Output
RL = 235
Ω
Output
90%
10%
tr
SWITCHING TIMES
5V
SRCK
tsu
50%
0V
th
5V
SER IN
50%
tw
INPUT SETUP AND HOLD WAVEFORMS
NOTES: A. The word generator has the following characteristics: tr
≤
10 ns, tf
≤
10 ns, tw = 300 ns, pulsed repetition rate (PRR) = 5 kHz,
ZO = 50
Ω.
B. CL includes probe and jig capacitance.
50%
0V
90%
10%
tf
24 V
tPLH
tPHL
24 V
0.5 V
50%
50%
0V
Figure 2. Test Circuit, Switching Times, and Voltage Waveforms
TP K
DRAIN
Circuit
Under
Test
IF
(see Note A)
L = 1 mH
TP A
t2
t1
t3
RG
VGG
(see Note B)
50
Ω
Driver
IRM
ta
trr
TEST CIRCUIT
CURRENT WAVEFORM
2500
µF
250 V
+
25 V
–
0
25% of IRM
0.1 A
di/dt = 20 A/µs
IF
NOTES: A. The DRAIN terminal under test is connected to the TP K test point. All other terminals are connected together and connected to the
TP A test point.
B. The VGG amplitude and RG are adjusted for di/dt = 20 A/µs. A VGG double-pulse train is used to set IF = 0.1 A, where t1 = 10
µs,
t2 = 7
µs,
and t3 = 3
µs.
Figure 3. Reverse-Recovery-Current Test Circuit and Waveforms of Source-to-Drain Diode
6
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265
TI [ TEXAS INSTRUMENTS ]
