Datasheet STP08CP05 Datasheet (ST)

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Page 1

Low voltage, low current power 8-bit shift register

Features

■ Low voltage power supply down to 3 V

■ 8 constant current output channels

■ Adjustable output current through external

resistor

■ Serial data IN/parallel data OUT

■ 3.3 V micro driver-able

■ Output current: 5-100 mA

■ 30 MHz clock frequency

■ Available in high thermal efficiency TSSOP

exposed pad

■ ESD protection 2.5 kV HBM, 200 V MM

Description

The STP08CP05 is a monolithic, low voltage, low current, power 8-bit shift register designed for LED panel displays. The STP08CP05 contains an 8-bit serial-in, parallel-out shift register that feeds an 8-bit D-type storage register. In the output stage, eight regulated current sources were designed to provide 5-100 mA constant current to drive the LEDs, the output current setup time is 11 ns (typ), thus improving the system performance.

STP08CP05

DIP-16

TSSOP16

(Exposed pad)

TSSOP16

adjust LED’s brightness intensity from 0% to 100% via

OE pin.

The STP08CP05 guarantees a 20 V output driving capability, allowing users to connect more LEDs in series. The high clock frequency, 30 MHz, also satisfies the system requirement of high volume data transmission. The 3.3 V of voltage supply is useful for applications that interface with any micro from 3.3 V. Compared with a standard TSSOP package, the TSSOP exposed pad increases heat dissipation capability by a 2.5 factor.

SO-16

The STP08CP05 is backward compatible in functionality and footprint with STP8C/L596. Through an external resistor, users can adjust the STP08CP05 output current, controlling in this way the light intensity of LEDs, in addition, user can

Table 1. Device summary

Order codes Package Packaging

STP08CP05B1R DIP-16 25 parts per tube

STP08CP05MTR SO-16 (Tape and reel) 2500 parts per reel

STP08CP05TTR TSSOP16 (Tape and reel) 2500 parts per reel

STP08CP05XTTR TSSOP16 exposed-pad (Tape and reel) 2500 parts per reel

August 2010 Doc ID 13524 Rev 5 1/28

www.st.com

Page 2

Contents STP08CP05

Contents

1 Summary description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.1 Pin connection and description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

3 Maximum rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

3.1 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

3.2 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

3.3 Recommended operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

4 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

5 Switching characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

6 Equivalent circuit and outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

7 Truth table and timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

7.1 Truth table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

7.2 Timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

8 Typical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

9 Test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

10 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

11 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

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STP08CP05 Summary description

1 Summary description

Table 2. Typical current accuracy

Current accuracy

Output voltage

Between bits Between ICs

≥ 1.3 V ± 1.5% ± 3% 20 to 100 mA

1.1 Pin connection and description

Figure 1. Connections diagram

Output current

Note: The exposed pad should be electrically connected to a metal land electrically isolated or

connected to ground.

Table 3. Pin description

Pin N° Symbol Name and function

1 GND Ground terminal

2 SDI Serial data input terminal

3 CLK Clock input terminal

4 LE Latch input terminal

5-12 OUT 0-7 Output terminal

13 OE Output enable input terminal (active low)

14 SDO Serial data out terminal

15 R-EXT Constant current programming

16 V

5 V supply voltage terminal

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Block diagram STP08CP05

2 Block diagram

Figure 2. Block diagram

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STP08CP05 Maximum rating

3 Maximum rating

Stressing the device above the rating listed in the “absolute maximum ratings” table may cause permanent damage to the device. these are stress ratings only and operation of the device at these or any other conditions above those indicated in the operating sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.

3.1 Absolute maximum ratings

Table 4. Absolute maximum ratings

Symbol Parameter Value Unit

GND

CLK

OPR

Supply voltage I

Output voltage -0.5 to 20 V

Output current 100 mA

GND terminal current 800 mA

Clock frequency 50 MHz

Operating temperature range -40 to +125 °C

Storage temperature range -55 to +150 °C

STG

3.2 Thermal data

Table 5. Thermal data

Symbol Parameter DIP-16 SO-16 TSSOP-16

1. The exposed-pad should be soldered to the PBC to realize the thermal benefits

Thermal resistance junction-ambient 90 125 140 37.5 °C/W

thJA

GND

0 to 7 V

TSSOP-16

(exposed pad)

(1)

Unit

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Maximum rating STP08CP05

3.3 Recommended operating conditions

Table 6. Recommended operating conditions

Symbol Parameter Test conditions Min Typ Max Unit

wLAT

wCLK

wEN

SETUP(D)

HOLD(D)

SETUP(L)

CLK

1. In order to achieve high cascade data transfer, please consider tr/tf timings carefully.

Supply voltage 3.0 5.5 V

Output voltage 20 V

Output current OUTn 5 100 mA

Output current SERIAL-OUT +1 mA

Output current SERIAL-OUT -1 mA

Input voltage

Input voltage -0.3

LE pulse width

0.7 V

20 ns

CLK pulse width 20 ns

OE pulse width 200 ns

= 3.0 to 5.0 V

Setup time for DATA 7 ns

Hold time for DATA 4 ns

Setup time for LATCH 15 ns

Clock frequency

Cascade operation

(1)

VDD+0.3

0.3 V

30 MHz

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STP08CP05 Electrical characteristics

4 Electrical characteristics

= 3.3 V to 5 V, T = 25 °C, unless otherwise specified.

Table 7. Electrical characteristics

Symbol Parameter Test conditions Min Typ Max Unit

OL1

OL2

OL3

ΔI

OL1

OL2

ΔI

OL3

SIN(up)

SIN(down)

DD(OFF1)

Input voltage high level 0.7 V

Input voltage low level GND 0.3V

Output leakage current VOH = 20 V 0.5 10 μA

Output voltage (Serial-OUT)

Output current

Output current error between bit (All Output ON)

Pull-up resistor 150 300 600 KΩ

Pull-down resistor 100 200 400 KΩ

Supply current (OFF)

DD(OFF2)

DD(ON1)

Supply current (ON)

DD(ON2)

Thermal Thermal protection

VO = 0.3 V, R

VO = 1.3 V, R

VO = 0.3 VR

VO = 1.3 VR

EXT

OUT 0 to 7 = OFF

EXT

OUT 0 to 7 = OFF

EXT

OUT 0 to 7 = ON

EXT

OUT 0 to 7 = ON

(1)

= 1 mA 0.03 0.4 V

= -1 mA V

= 0.3 V, R

= 0.3 VR

= 3.9 kΩ 4.25 5 5.75

ext

= 970 Ω 19.4 20 20.6

ext

= 190 Ω 97 100 103

ext

= 3.9 kΩ ± 5 ± 8

EXT

= 970 Ω ± 1.5 ± 2.75

EXT

=190 Ω ± 1.2 ± 2.5

EXT

= 980

= 250

- VDD =- 0.4 V V

11.2 13.5

mAI

= 980

= 250

4.5 5

11.7 13.5

170 °C

%ΔI

1. Guaranteed by design (not tested) The thermal protection switches OFF only the outputs

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Switching characteristics STP08CP05

5 Switching characteristics

= 5 V, T = 25 °C, unless otherwise specified.

Table 8. Switching characteristics

Symbol Parameter Test conditions Min Typ Max Unit

PLH1

PLH2

PLH3

PLH

PHL1

PHL2

PHL3

PHL

Propagation delay time, CLK-OUTn, LE = H,

= L

Propagation delay time, LE -OUTn,

= L

Propagation delay time, OE -OUTn, LE = H

Propagation delay time, CLK-SDO

Propagation delay time, CLK-OUTn, LE = H,

= L

Propagation delay time, LE -OUTn,

= L

Propagation delay time, OE -OUTn, LE = H

Propagation delay time, CLK-SDO

Output rise time 10~90% of voltage waveform

= 3.3 V VIH = V

VIL = GND CL = 10 pF

= 20 mA VL = 3.0 V

= 1 KΩ RL = 60 Ω

EXT

= 3.3 V 35 50

= 5 V 18 28

= 3.3 V 48 74

= 5 V 30 50

VDD = 3.3 V 55 82

= 5 V 37 58

= 3.3 V 21 28

= 5 V 17 22

= 3.3 V 11 17

= 5 V 7 11

= 3.3 V 24 40

= 5 V 21 31

VDD = 3.3 V 20 35

= 5 V 18 28

= 3.3 V 24 32

= 5 V 19 25

VDD = 3.3 V 26 40

= 5 V 11 17

Output fall time

90~10% of voltage

OFF

waveform

CLK rise time

CLK fall time

1. In order to achieve high cascade data transfer, please consider tr/tf timings carefully.

(1)

VDD = 3.3 V 5 10

= 5 V 4 8

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5000 ns

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STP08CP05 Equivalent circuit and outputs

6 Equivalent circuit and outputs

Figure 3. OE terminal

Figure 4. LE terminal

Figure 5. CLK, SDI terminal

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Equivalent circuit and outputs STP08CP05

Figure 6. SDO terminal

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STP08CP05 Truth table and timing diagram

7 Truth table and timing diagram

7.1 Truth table

Table 9. Truth table

Clock LE OE SDI OUT0 ........ OUT0 ........ OUT7 SDO

H L Dn Dn ..... Dn -5 ..... Dn -7 Dn -7

L L Dn + 1 No change Dn -7

H L Dn + 2 Dn +2

X L Dn + 3 Dn +2

X H Dn + 3 OFF Dn -5

Note: OUT0 to OUT7 = ON when Dn = H; OUT0 to OUT7 = OFF when Dn = L.

..... Dn -3 ..... Dn -5 Dn -5

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Truth table and timing diagram STP08CP05

7.2 Timing diagram

Figure 7. Timing diagram

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STP08CP05 Truth table and timing diagram

Figure 8. Clock, serial-in, serial-out

Figure 9. Clock, serial-in, latch, enable, outputs

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Truth table and timing diagram STP08CP05

Figure 10. Outputs

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STP08CP05 Typical characteristics

8 Typical characteristics

Figure 11. Output current-R

EXT

resistor

TA = 25 °C, Iset = 3 mA; 5 mA; 10 mA; 20 mA; 50 mA; 80 mA; Max

Table 10. Output current-R

Output current (mA) 3 5 10 20 50 80 130

Rext (Ω) 6740 3930 1913 963 386 241 124

resistor

EXT

Note: Maximum output current capabilities setting was 130 mA applying an Rext = 124

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Typical characteristics STP08CP05

Figure 12. I

vs drop out voltage (V

SET

DROP

)

910

810

710

610

510

410

Vdrop (mV)

310

210

110

0 102030405060708090100110

Iset (mA )

Table 11. I

Vdd (V) I set (mA) Rext (Ω)

3 3 6470 30.6 31.2 30.93

vs drop out voltage (V

SET

5 3930 46.5 52.9 48.63

)

DROP

Vdrop min

(mV)

Vdrop max

(mV)

Vdd 5.0V Vdd 3.0V

Vdrop AVG

(mV)

10 1910 80.9 100 82.26

20 963 150 161 157

50 386 392 396 394.3

80 241 636 646 640.3

100 192 846 850 848

5 3 6470 25.6 29 26.96

5 3930 40.8 41.7 41.16

10 1910 80.1 105 89.2

20 963 153 154 154

50 386 379 386 382

80 241 618 626 621

100 192 825 830 827

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STP08CP05 Typical characteristics

Figure 13. Power dissipation vs temperature package

Note: The exposed-pad should be soldered to the PBC to realize the thermal benefits.

Figure 14. Current precision between outputs vs output current

5.5 5

4.5 4

3.5 3

2.5 2

1.5 1

0.5 0

1 10 100

Iset (mA )

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Test circuit STP08CP05

9 Test circuit

Figure 15. DC characteristics

Figure 16. AC characteristics

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STP08CP05 Test circuit

Figure 17. Typical application schematic

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Package mechanical data STP08CP05

10 Package mechanical data

In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK specifications, grade definitions and product status are available at: www.st.com. ECOPACK

packages, depending on their level of environmental compliance. ECOPACK®

is an ST trademark.

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STP08CP05 Package mechanical data

Figure 18. DIP-16 mechanical data

Plastic DIP-16 (0.25) MECHANICAL DATA

DIM.

MIN. TYP MAX. MIN. TYP. MAX.

a1 0.51 0.020

B 0.77 1.65 0.030 0.065

b 0.5 0.020

b1 0.25 0.010

D 20 0.787

E 8.5 0.335

e 2.54 0.100

e3 17.78 0.700

F 7.1 0.280

I 5.1 0.201

L 3.3 0.130

Z 1.27 0.050

mm. inch

P001C

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Package mechanical data STP08CP05

Figure 19. TSSOP16 mechanical data

TSSOP16 MECHANICAL DATA

mm. inch

DIM.

MIN. TYP MAX. MIN. TYP. MAX.

A 1.2 0.047

A1 0.05 0.15 0.002 0.004 0.006

A2 0.8 1 1.05 0.031 0.039 0.041

b 0.19 0.30 0.007 0.012

c 0.09 0.20 0.004 0.0079

D 4.9 5 5.1 0.193 0.197 0.201

E 6.2 6.4 6.6 0.244 0.252 0.260

E1 4.3 4.4 4.48 0.169 0.173 0.176

e 0.65 BSC 0.0256 BSC

K0˚ 8˚0˚ 8˚

L 0.45 0.60 0.75 0.018 0.024 0.030

PIN 1 IDENTIFICATION

0080338D

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STP08CP05 Package mechanical data

Figure 20. TSSOP16 exposed pad mechanical data

TSSOP16 EXPOSED PAD MECHANICAL DATA

mm. inch

DIM.

MIN. TYP MAX. MIN. TYP. MAX.

A 1.2 0.047

A1 0.15 0.004 0.006

A2 0.8 11.050.0310.039 0.041

b 0.19 0.30 0.007 0.012

c 0.09 0.20 0.004 0.0089

D 4.9 5 5.1 0.193 0.197 0.201

D1 2.7

E 6.2 6.4 6.6 0.244 0.252 0.260

E1 4.3 4.4 4.5 0.169 0.173 0.177

E2 2.

e 0.65 0.0256

K0° 8°0° 8°

L 0.45 0.60 0.75 0.018 0.024 0.030

3.0

3.3

7419276A

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Package mechanical data STP08CP05

Figure 21. TSSOP16 tape and reel

Tape & Reel TSSOP16 MECHANICAL DATA

DIM.

MIN. TYP MAX. MIN. TYP. MAX.

A 330 12.992

C 12.8 13.2 0.504 0.519

D 20.2 0.795

N 60 2.362

T 22.4 0.882

Ao 6.7 6.9 0.264 0.272

Bo 5.3 5.5 0.209 0.217

Ko 1.6 1.8 0.063 0.071

Po 3.9 4.1 0.153 0.161

P 7.9 8.1 0.311 0.319

mm. inch

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STP08CP05 Package mechanical data

Figure 22. SO-16 mechanical data

SO-16 MECHANICAL DATA

DIM.

A 1.75 0.068

a1 0.1 0.25 0.004 0.010

a2 1.64 0.063

b 0.35 0.46 0.013 0.018

b1 0.19 0.25 0.007 0.010

C 0.5 0.019

c1 45° (typ.)

D 9.8 10 0.385 0.393

E 5.8 6.2 0.228 0.244

e 1.27 0.050

e3 8.89 0.350

F 3.8 4.0 0.149 0.157

G 4.6 5.3 0.181 0.208

L 0.5 1.27 0.019 0.050

M 0.62 0.024

S8° (max.)

MIN. TYP MAX. MIN. TYP. MAX.

mm. inch

0016020D

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Package mechanical data STP08CP05

Figure 23. SO-16 tape and reel

Tape & Reel SO-16 MECHANICAL DATA

DIM.

MIN. TYP MAX. MIN. TYP. MAX.

A 330 12.992

C 12.8 13.2 0.504 0.519

D 20.2 0.795

N 60 2.362

T 22.4 0.882

Ao 6.45 6.65 0.254 0.262

Bo 10.3 10.5 0.406 0.414

Ko 2.1 2.3 0.082 0.090

Po 3.9 4.1 0.153 0.161

P 7.9 8.1 0.311 0.319

mm. inch

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STP08CP05 Revision history

11 Revision history

Table 12. Document revision history

Date Revision Changes

23-May-2007 1 First release

28-Jun-2007 2 Updated Table 7 on page 7

12-Mar-2008 3

07-Aug-2008 4 Updated Section 8: Typical characteristics on page 15

27-Aug-2010 5 Updated Note: on page 3

Updated Table 8 on page 8 and added Figure 11 and

Figure 12 on page 16

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STP08CP05

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