TPIC6273

POWER LOGIC OCTAL D-TYPE LATCH

SLIS011A – APRIL 1992 – REVISED OCTOBER 1995

5

POST OFFICE BOX 655303

PARAMETER MEASUREMENT INFORMATION

TEST CIRCUIT

5 V

24 V

VCC

DRAIN

GND

CLR

RL = 95 Ω

VOLTAGE WAVEFORMS

Output

D

Word

Generator

(see Note A)

CLK

CLR

Output

D

CLK

DUT

CL = 30 pF

(see Note B)

0 V

5 V

0 V

5 V

0 V

5 V

0.5 V

24 V

11

1

10

20

4 –7,

14 –17

ID

Figure 1. Resistive Load Normal Operation

5 V

DUT

VCC

CLR

DRAIN

GND

D

95

Ω

TEST CIRCUIT

SWITCHING TIMES

D

CLK

Word

Generator

(see Note A)

CLK

5 V

0 V

5 V

0 V

50%

Output

24 V

0.5 V

90%

10%

tPLH

tr

50%

90%

10%

tPHL

tf

CLK

5 V

0 V

50%

D

5 V

0 V

50%

50%

tsu

th

tw

INPUT SETUP AND HOLD WAVEFORMS

CL = 30 pF

(see Note B)

Output

Word

Generator

(see Note A)

20

10

1

11

24 V

4 –7,

14 –17

ID

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