HEF4794B-Q100 NXP [NXP Semiconductors], HEF4794B-Q100 Datasheet

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HEF4794B-Q100

Manufacturer Part Number
HEF4794B-Q100
Description
8-stage shift-and-store register LED driver
Manufacturer
NXP [NXP Semiconductors]
Datasheet
1. General description
2. Features and benefits
3. Ordering information
Table 1.
All types operate from
Type number
HEF4794BT-Q100
Ordering information
Package
Name
SO16
40
The HEF4794B-Q100 is an 8-stage serial shift register. It has a storage latch associated
with each stage for strobing data from the serial input (D) to the parallel LED driver outputs
(QP0 to QP7). Data is shifted on the positive-going clock (CP) transitions. The data in
each shift register stage is transferred to the storage register when the strobe input (STR)
is HIGH. Data in the storage register appears at the outputs whenever the output enable
input (OE) signal is HIGH.
Two serial outputs (QS1 and QS2) are available for cascading a number of
HEF4794B-Q100 devices. Serial data is available at QS1 on positive-going clock edges to
allow high-speed operation in cascaded systems with a fast clock rise time. The same
serial data is available at QS2 on the next negative going clock edge. This is used for
cascading HEF4794B-Q100 devices when the clock has a slow rise time.
It operates over a recommended V
(usually ground). Connect unused inputs to V
This product has been qualified to the Automotive Electronics Council (AEC) standard
Q100 (Grade 1) and is suitable for use in automotive applications.
C to +125
HEF4794B-Q100
8-stage shift-and-store register LED driver
Rev. 1 — 7 August 2012
Automotive product qualification in accordance with AEC-Q100 (Grade 1)
Fully static operation
5 V, 10 V, and 15 V parametric ratings
Standardized symmetrical output characteristics
ESD protection:
Complies with JEDEC standard JESD 13-B
Specified from 40 C to +85 C and from 40 C to +125 C
MIL-STD-833, method 3015 exceeds 2000 V
HBM JESD22-A114F exceeds 2000 V
MM JESD22-A115-A exceeds 200 V (C = 200 pF, R = 0 )
Description
plastic small outline package; 16 leads; body width 3.9 mm
C.
DD
power supply range of 3 V to 15 V referenced to V
DD
, V
SS
, or another input.
Product data sheet
Version
SOT109-1
SS

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HEF4794B-Q100 Summary of contents

Page 1

... Rev. 1 — 7 August 2012 1. General description The HEF4794B-Q100 is an 8-stage serial shift register. It has a storage latch associated with each stage for strobing data from the serial input (D) to the parallel LED driver outputs (QP0 to QP7). Data is shifted on the positive-going clock (CP) transitions. The data in each shift register stage is transferred to the storage register when the strobe input (STR) is HIGH ...

Page 2

... Fig 2. STAGES QP2 QP4 QP0 QP1 QP3 QP5 All information provided in this document is subject to legal disclaimers. Rev. 1 — 7 August 2012 HEF4794B-Q100 8-stage shift-and-store register LED driver 2 D 8-STAGE SHIFT 3 REGISTER CP 1 8-BIT STORAGE STR REGISTER 15 OPEN-DRAIN OE OUTPUTS ...

Page 3

... DDD Description serial input parallel output serial output serial output clock input strobe input output enable input supply voltage ground (0 V) All information provided in this document is subject to legal disclaimers. Rev. 1 — 7 August 2012 HEF4794B-Q100 © NXP B.V. 2012. All rights reserved ...

Page 4

... D QP0 change change Z-state Z-state All information provided in this document is subject to legal disclaimers. Rev. 1 — 7 August 2012 HEF4794B-Q100 Serial output [2] QPn QS1 QS2 Z Q6S no change Z n.c. Q7S no change Q6S no change QPn 1 Q6S no change QPn 1 ...

Page 5

... QSn outputs QPn outputs = 40 C to +125 C T amb per output Conditions in free air All information provided in this document is subject to legal disclaimers. Rev. 1 — 7 August 2012 HEF4794B-Q100 Min Max Unit 0.5 +18 V  0 0  ...

Page 6

... V 4.2 - 0 All information provided in this document is subject to legal disclaimers. Rev. 1 — 7 August 2012 HEF4794B-Q100 8-stage shift-and-store register LED driver = 25   amb amb amb Min Max Min Max Min 3.5 - 3.5 - 3.5 7.0 - 7.0 - 7.0 11.0 - 11 ...

Page 7

... Figure [1] QS1, QS2 (1.00 ns/pF)C [3] see Figure (0.42 ns/pF (0.28 ns/pF)C All information provided in this document is subject to legal disclaimers. Rev. 1 — 7 August 2012 HEF4794B-Q100 8-stage shift-and-store register LED driver Figure 10. Min - (0.23 ns/pF (0.16 ns/pF (0.55 ns/pF (0.23 ns/pF)C ...

Page 8

... 5550  ( 15000  ( All information provided in this document is subject to legal disclaimers. Rev. 1 — 7 August 2012 HEF4794B-Q100 8-stage shift-and-store register LED driver Figure 10. Min  ...

Page 9

... CP input PLZ Table 9. All information provided in this document is subject to legal disclaimers. Rev. 1 — 7 August 2012 HEF4794B-Q100 8-stage shift-and-store register LED driver W t PZL PHL t THL t PHL t THL 001aag222 PZL V Y ...

Page 10

... input Table 9. All information provided in this document is subject to legal disclaimers. Rev. 1 — 7 August 2012 HEF4794B-Q100 8-stage shift-and-store register LED driver t PZL V Y outputs outputs disabled enabled 001aag803 001aag805 © NXP B.V. 2012. All rights reserved. ...

Page 11

... R T 10. V EXT PLZ PZL  All information provided in this document is subject to legal disclaimers. Rev. 1 — 7 August 2012 HEF4794B-Q100 8-stage shift-and-store register LED driver EXT 001aag804 of the pulse generator. o Load PLH ...

Page 12

... GDWD FORFN IURP UHPRWH FRQWURO SDQHO Fig 11. Serial-to-parallel converting LED drivers HEF4794B_Q100 Product data sheet 43 +()%4 6 &3 All information provided in this document is subject to legal disclaimers. Rev. 1 — 7 August 2012 HEF4794B-Q100 8-stage shift-and-store register LED driver 43 ' +()%4 2( 675 & 43 6 DDD © ...

Page 13

... REFERENCES JEDEC JEITA MS-012 All information provided in this document is subject to legal disclaimers. Rev. 1 — 7 August 2012 HEF4794B-Q100 8-stage shift-and-store register LED driver detail ...

Page 14

... Release date HEF4794B_Q100 v.1 20120807 HEF4794B_Q100 Product data sheet 8-stage shift-and-store register LED driver Data sheet status Product data sheet All information provided in this document is subject to legal disclaimers. Rev. 1 — 7 August 2012 HEF4794B-Q100 Change notice Supersedes - - © NXP B.V. 2012. All rights reserved ...

Page 15

... NXP Semiconductors products by customer. All information provided in this document is subject to legal disclaimers. Rev. 1 — 7 August 2012 HEF4794B-Q100 8-stage shift-and-store register LED driver © NXP B.V. 2012. All rights reserved ...

Page 16

... Notice: All referenced brands, product names, service names and trademarks are the property of their respective owners. http://www.nxp.com salesaddresses@nxp.com All information provided in this document is subject to legal disclaimers. Rev. 1 — 7 August 2012 HEF4794B-Q100 8-stage shift-and-store register LED driver © NXP B.V. 2012. All rights reserved ...

Page 17

... Trademarks Contact information Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 HEF4794B-Q100 8-stage shift-and-store register LED driver Please be aware that important notices concerning this document and the product(s) described herein, have been included in section ‘Legal information’. © NXP B.V. 2012. For more information, please visit: http://www.nxp.com For sales office addresses, please send an email to: salesaddresses@nxp ...

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