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| Micrel, Inc. 3-BIT SCANNABLE REGISTERED BUS TRANSCEIVER DESCRIPTION SY10E337 SY100E337 SY10E337 SY100E337 FEATURES s s s s s s s s s 1500ps max. clock to bus (data transmit) 1000ps max. clock to Q (data receive) Extended 100E VEE range of -4.2V to -5.5V 25 cutoff bus outputs 50 receiver outputs Scannable implementation of E336 Synchronous and asynchronous bus enables Non-inverting data path Bus outputs feature internal edge slow-down capacitors s Additional package ground pins s Fully compatible with industry standard 10KH, 100K ECL levels s Internal 75K input pulldown resistors s Fully compatible with Motorola MC10E/100E337 s Available in 28-pin PLCC package PIN NAMES Pin A0-A2 B0-B2 S-IN TEN, REN SCAN ABUSDIS SBUSEN SYNCEN CLK BUS0-BUS2 Q0-Q2 VCCO Function Data Inputs A Data Inputs B Serial (Scan) Data Input LOAD/HOLD Controls Scan Control Asynchronous Bus Disable Synchronous Bus Enable Synchronous Enable Control Clock 25 Cutoff BUS Outputs Receive Data Outputs (Q2 serves as SCAN_OUT in scan mode) VCC to Output The SY10/100E337 are 3-bit registered bus transceivers with scan designed for use in new, high- performance ECL systems. The bus outputs (BUS0-BUS2) are designed to drive a 25 bus; the receive outputs (Q0-Q2) are designed for 50. The bus outputs feature a normal logic HIGH level (VOH) and a cutoff LOW level of -2.0V and the output emitter-follower is "off", presenting a high impedance to the bus. The bus outputs also feature edge slow-down capacitors. Both drive and receive sides feature the same logic, including a loopback path to hold data. The LOAD/HOLD function is controlled by Transmit Enable (TEN) and Receive Enable (REN) on the transmit and receive sides, respectively, with a HIGH selecting LOAD. The implementation of the E337 Receive Enable differs from that of the E336. A synchronous bus enable (SBUSEN) is provided for normal, non-scan operation. The asynchronous bus disable (ABUSDIS) disables the bus for scan mode. The SYNCEN input allows either synchronous or asynchronous re-enabling after disabling with ABUSDIS. An alternative use is asynchronous-only operation with ABUSDIS, in which case SYNCEN is tied LOW. SYNCEN is implemented as an overriding SET control to the enable flip-flop. Scan mode is selected by a logic HIGH at the SCAN input. Scan input data is shifted in through S-IN, and output data appears at the Q2 output. All registers are clocked on the rising edge of CLK. Additional lead-frame grounding is provided through the ground pins (GND) which should be connected to 0V. The GND pins are not electrically connected to the chip. M9999-032206 hbwhelp@micrel.com or (408) 955-1690 Rev.: F Amendment: /0 1 Issue Date: March 2006 Micrel, Inc. SY10E337 SY100E337 PACKAGE/ORDERING INFORMATION B0 A0 ABUSDIS SBUSEN SYNCEN Ordering Information(1) VCCO Part Number SY10E337JC 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 SY10E337JC SY10E337JC SY100E337JC SY100E337JC SY10E337JZ with Pb-Free bar-line indicator SY10E337JZ with Pb-Free bar-line indicator SY100E337JZ with Pb-Free bar-line indicator SY100E337JZ with Pb-Free bar-line indicator Lead Finish Sn-Pb Sn-Pb Sn-Pb Sn-Pb Matte-Sn Matte-Sn Matte-Sn Matte-Sn 25 24 23 22 21 20 19 Q0 SCAN S-IN TEN VEE REN CLK A1 26 27 28 1 2 3 4 5 6 7 8 9 10 11 TOP VIEW PLCC J28-1 16 15 14 13 12 GND BUS0 VCC Q1 VCCO BUS1 GND SY10E337JCTR(2) SY100E337JC SY100E337JCTR(2) SY10E337JZ(3) SY10E337JZTR(2, 3) SY100E337JZ(3) SY100E337JZTR(2, 3) BUS2 A2 B2 VCCO 28-Pin PLCC (J28-1) Notes: GND Q2 B1 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. SY10E337 SY100E337 BLOCK DIAGRAM BUS2 D A2 B2 Q D Q Q2 SCAN-OUT BUS1 D A1 B1 BUS0 D A0 B0 S-IN TEN REN SCAN ABUSDIS SBUSEN SYNCEN CLK D SET Q D Q Q1 Q D Q Q0 Q M9999-032206 hbwhelp@micrel.com or (408) 955-1690 3 Micrel, Inc. SY10E337 SY100E337 DC ELECTRICAL CHARACTERISTICS VEE = VEE (Min.) to VEE (Max.); VCC = VCCO = GND TA = 0C Symbol VCUT IIH IEE Parameter Cut-off Output Voltage Input HIGH Current All Other Inputs Power Supply Current 10E 100E -- -- 145 145 174 174 -- -- 145 125 174 174 -- -- 145 167 174 200 Min. -2.10 -- TA = +25C TA = +85C Min. Typ. -- -- Max. -2.03 150 Unit V A mA Condition 1 -- -- Typ. Max. Min. Typ. Max. -- -- -2.03 -2.10 150 -- -- -- -2.03 -2.10 150 -- Note: 1. Applies to BUS outputs only. Measured with VTT = -2.10V. AC ELECTRICAL CHARACTERISTICS VEE = VEE (Min.) to VEE (Max.); VCC = VCCO = GND TA = 0C Symbol tPD Parameter Propagation Delay to Output CLK to Q CLK to BUS ABUSDIS SYNCEN Set-up Time BUS SBUSEN Data, S-IN TEN, REN, SCAN Hold Time BUS SBUSEN Data, S-IN TEN, REN, SCAN Minimum Pulse Width Rise/Fall Time 20% to 80% (Qn) 20% to 80% (BUSn Rise) 20% to 80% (BUSn Fall) TA = +25C TA = +85C Min. Typ. 450 800 500 800 350 100 400 550 350 500 350 200 400 300 500 300 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- Max. 1000 1800 1500 1800 ps 350 100 400 550 350 500 350 200 400 300 500 300 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 800 1000 800 350 100 400 550 350 500 350 200 400 300 500 300 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 800 1000 800 -- -- -- -- ps -- -- -- -- -- 800 1000 800 ps ps -- -- -- -- Unit ps 450 800 500 800 -- -- -- -- 1000 1800 1500 1800 450 800 500 800 -- -- -- -- 1000 1800 1500 1800 Condition -- Min. Typ. Max. Min. Typ. Max. tS tH tPW tr tf M9999-032206 hbwhelp@micrel.com or (408) 955-1690 4 Micrel, Inc. SY10E337 SY100E337 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 5 |
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