TPIC6596

POWER LOGIC 8-BIT SHIFT REGISTER

SLIS096 – APRIL 2000

6

POST OFFICE BOX 655303

PARAMETER MEASUREMENT INFORMATION

4 –7,

14 –17

TEST CIRCUIT

SWITCHING TIMES

G

5 V

50%

24 V

0.5 V

90%

10%

tPLH

tr

50%

90%

10%

tPHL

tf

SRCK

5 V

50%

SER IN

5 V

50%

50%

tsu

th

tw

INPUT SETUP AND HOLD WAVEFORMS

5 V

24 V

VCC

DRAIN

LGND

SRCLR

SER IN

RL = 95 Ω

CL = 30 pF

(see Note B)

G

Output

SRCK

RCK

DUT

PGND

Output

Word

Generator

(see Note A)

19

1, 10, 11, 20

8

13

3

12

9

0 V

0 V

0 V

ID

2

50%

50%

50%

50%

tpd

tpd

SRCK

SER OUT

SER OUT PROPAGATION DELAY WAVEFORM

Figure 2. Test Circuit, Switching Times, and Voltage Waveforms

NOTES: A. Outputs DRAIN 1, 2, 5, and 6 low (PGND), all other DRAIN outputs are at 24 V. 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.