The ULN2001A is obsolete

and is no longer supplied.

ULN2001A, ULN2002A, ULN2003A, ULN2004A, ULQ2003A, ULQ2004A

HIGHVOLTAGE HIGHCURRENT

DARLINGTON TRANSISTOR ARRAY

SLRS027G − DECEMBER 1976 − REVISED JUNE 2004

8

POST OFFICE BOX 655303

PARAMETER MEASUREMENT INFORMATION

50%

50%

50%

50%

tPHL

VOLTAGE WAVEFORMS

Input

Output

tPLH

Figure 9. Propagation Delay-Time Waveforms

Input

Open

VS

200

Ω

Output

CL = 15 pF

(see Note B)

ULN2001A Only

2.7 k

Ω

90%

90%

1.5 V

1.5 V

10%

10%

40

µs

≤10 ns

≤5 ns

VIH

(see Note C)

0 V

VOH

VOL

Input

Output

TEST CIRCUIT

VOLTAGE WAVEFORMS

1N3064

2 mH

Pulse

Generator

(see Note A)

ULN2002A

ULN/ULQ2003A

ULN/ULQ2004A

NOTES: A. The pulse generator has the following characteristics: PRR = 12.5 kHz, ZO = 50 Ω.

B. CL includes probe and jig capacitance.

C. For testing the ULN2001A, the ULN2003A, and the ULQ2003A, VIH = 3 V; for the ULN2002A, VIH = 13 V;

for the ULN2004A and the ULQ2004A, VIH = 8 V.

Figure 10. Latch-Up Test Circuit and Voltage Waveforms