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| Micrel, Inc. 8-BIT SCANNABLE REGISTER SY10E241 SY100E241 SY10E241 SY100E241 FEATURES s 1000ps max. CLK to output s Extended 100E VEE range of -4.2V to -5.5V s s s s SHIFT overrides HOLD, /LOAD control Asynchronous Master Reset Pin-compatible with E141 Fully compatible with industry standard 10KH, 100K ECL levels s Internal 75K input pulldown resistors s Fully compatible with Motorola MC10E/100E241 s Available in 28-pin PLCC package DESCRIPTION The SY10/100E241 are 8-bit shiftable registers designed for use in new, high-performance ECL systems. Unlike the E141, the E241 features internal data feedback organized such that the SHIFT control overrides the HOLD, /LOAD control. Thus, the normal operations of HOLD and LOAD can be toggled with a single control line without the need for external gating. This configuration also enables switching to scan mode with the single SHIFT control line. The eight inputs D0-D7 accept parallel input data, while S-IN accepts serial input data when in shift mode. Data is accepted a set-up time before the rising edge of CLK. Shifting is also accomplished on the rising clock edge. A HIGH on the Master Reset pin (MR) asychronously resets all the registers to zero. BLOCK DIAGRAM S-IN D D0 Q R Q0 PIN NAMES Pin D0-D7 S-IN SEL0 SEL1 CLK D Q R Q1 - Q6 Function Parallel Data Inputs Serial Data Input SHIFT Control HOLD, /LOAD Control Clock Master Reset Data Outputs VCC to Output MR Q0-Q7 VCCO D1 - D6 BITS 1-6 D D7 SEL1 (HOLD/LOAD) SEL0 (SHIFT) CLK MR Q R Q7 M9999-032206 hbwhelp@micrel.com or (408) 955-1690 Rev.: F Amendment: /0 1 Issue Date: December 2005 Micrel, Inc. SY10E241 SY100E241 PACKAGE/ORDERING INFORMATION D5 VCCO SEL0 NC Ordering Information(1) Q7 D7 D6 25 24 23 22 21 20 19 Part Number 18 17 Package Type J28-1 J28-1 J28-1 J28-1 J28-1 J28-1 J28-1 J28-1 Operating Range Commercial Commercial Commercial Commercial Commercial Commercial Commercial Commercial Package Marking SY10E241JC SY10E241JC SY100E241JC SY100E241JC SY10E241JZ with Pb-Free bar-line indicator SY10E241JZ with Pb-Free bar-line indicator SY100E241JZ with Pb-Free bar-line indicator SY100E241JZ with Pb-Free bar-line indicator Lead Finish Sn-Pb Sn-Pb Sn-Pb Sn-Pb Matte-Sn Matte-Sn Matte-Sn Matte-Sn SEL1 CLK MR VEE S-IN D0 D1 26 27 28 1 2 3 4 5 6 7 8 9 10 11 Q6 Q5 VCC NC VCCO Q4 Q3 SY10E241JC SY10E241JCTR(2) SY100E241JC SY100E241JCTR(2) SY10E241JZ(3) SY10E241JZTR(2, 3) SY100E241JZ(3) SY100E241JZTR(2, 3) Notes: TOP VIEW PLCC J28-1 16 15 14 13 12 D2 D3 28-Pin PLCC (J28-1) D4 VCCO Q0 Q1 Q2 1. Contact factory for die availability. Dice are guaranteed at TA = 25C, DC Electricals only. 2. Tape and Reel. 3. Pb-Free package is recommended for new designs. M9999-032206 hbwhelp@micrel.com or (408) 955-1690 2 Micrel, Inc. SY10E241 SY100E241 TRUTH TABLE SEL0 L L H SEL1 L H X Function Load Hold Shift (Dn to Dn+1) DC ELECTRICAL CHARACTERISTICS VEE = VEE (Min.) to VEE (Max.); VCC = VCCO = GND TA = 0C Symbol IIH IEE Parameter Input HIGH Current Power Supply Current 10E 100E -- -- 125 125 150 150 -- -- 125 125 150 150 -- -- 125 144 150 173 TA = +25C TA = +85C Typ. -- Max. 150 Unit A mA Condition -- -- Min. Typ. Max. Min. Typ. -- -- 150 -- -- Max. Min. 150 -- AC ELECTRICAL CHARACTERISTICS VEE = VEE (Min.) to VEE (Max.); VCC = VCCO = GND TA = 0C Symbol fSHIFT tPD Parameter Max. Shift Frequency Propagation Delay to Output CLK MR Set-up Time D SEL0 (SHIFT)350 SEL1 (HOLD/LOAD) S-IN Hold Time D SEL0 (SHIFT) SEL1 (HOLD/LOAD) S-IN Reset Recovery Time Minimum Pulse Width CLK, MR Within-Device Skew Rise/Fall Time 20% to 80% 700 625 600 175 200 400 125 200 100 50 300 900 400 -- 300 900 750 725 25 -- 250 -100 -25 -200 -250 100 600 -- 60 525 -- 975 975 -- 350 -- -- -- -- -- -- -- -- -- 800 TA = +25C 700 625 600 175 200 400 125 200 100 50 300 900 400 -- 300 900 750 725 25 -- 250 -100 -25 -200 -250 100 600 -- 60 525 -- 975 975 -- 350 -- -- -- -- -- -- -- -- -- 800 TA = +85C Max. -- 975 975 ps 175 200 400 125 200 100 50 300 900 400 -- 300 25 -- 250 -100 -25 -200 -250 100 600 -- 60 525 -- -- -- ps -- -- -- -- -- -- -- 800 ps ps ps ps -- -- 1 -- -- -- Unit MHz ps 625 600 750 725 Condition -- -- 700 900 Min. Typ. Max. Min. Typ. Max. Min. Typ. tS tH tRR tPW tskew tr tf Note: 1. Within-device skew is defined as identical transitions on similar paths through a device. M9999-032206 hbwhelp@micrel.com or (408) 955-1690 3 Micrel, Inc. SY10E241 SY100E241 28-PIN PLCC (J28-1) Rev. 03 MICREL, INC. 2180 FORTUNE DRIVE SAN JOSE, CA 95131 TEL USA + 1 (408) 944-0800 FAX + 1 (408) 474-1000 WEB http://www.micrel.com The information furnished by Micrel in this data sheet is believed to be accurate and reliable. However, no responsibility is assumed by Micrel for its use. Micrel reserves the right to change circuitry and specifications at any time without notification to the customer. Micrel Products are not designed or authorized for use as components in life support appliances, devices or systems where malfunction of a product can reasonably be expected to result in personal injury. Life support devices or systems are devices or systems that (a) are intended for surgical implant into the body or (b) support or sustain life, and whose failure to perform can be reasonably expected to result in a significant injury to the user. A Purchaser's use or sale of Micrel Products for use in life support appliances, devices or systems is at Purchaser's own risk and Purchaser agrees to fully indemnify Micrel for any damages resulting from such use or sale. (c) 2006 Micrel, Incorporated. M9999-032206 hbwhelp@micrel.com or (408) 955-1690 4 |
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