HD75161A Octal General Purpose Interface Bus Transceivers REJ03D0309–0200Z (Previous ADE-205-591 (Z)) Rev.2.00 Jul.16.2004 Description The HD75161A is an 8 channel general purpose interface bus transceiver designed to meet the requirements of IEEE standard 488-1978. The transceiver is to provide the bus management and data transfer signals during operating in a controller instrumentation system. When combined with the HD75160A octal bus transceiver, the HD75161A provides the complete 16 wire interface for the IEEE 488 bus. The HD75161A features eight driver receiver pairs connected in a front to back configureation to form input/output ports at both the bus and terminal sides. The direction of data through these driver receiver pairs is determined by the DC and TE enable signals. The device exhibits a high impedance to the bus when VCC = 0 V since the bus terminating resistors are built in. If featurs driver outputs which can handle loads up to 48 mA of sink current. Each receiver features p n p transistor inputs for high input impedance and guaranteed hysteresis of 400 mV for increased noise immunity. Features • Ordering Information Part Name HD75161AP Package Type DILP-20 pin Package Code DP-20N, -20NEV Package Abbreviation P — Pin Arrangement GPIB I/O PORTS REN 2 19 REN IFC 3 18 IFC NDAC 4 17 NDAC NRFD 5 16 NRFD DAV 6 15 DAV EOI 7 14 EOI ATN 8 13 ATN SRQ 9 12 SRQ GND 10 11 DC (Top view) Rev.2.00, Jul.16.2004, page 1 of 11 TERMINAL I/O PORTS 20 VCC TE 1 Taping Abbreviation (Quantity) HD75161A Table Of Abbreviation DRIVERS Name Identity Direction Control Talk Enable Attention Service Request Remote Enable Interface Clear End Or Identify Data Valid Not Data Accepted Not Ready For Data DC TE ATN SRQ REN IFC EOI DAV NDAC NRFD Class Control Bus Management Data Transfer Function Table Bus management Channels DC ATN*1 Controls TE ATN SRQ REN Controlled By DC Data transfer Channels IFC DAV EOI NDAC NRFD Controlled by TE H H H H H L R T R R T R T R R L L L L H L T R T T R T R T T H L L H X X R T T R R T R T R T R T T R T R H : High level L : Low level X : Irrelevant R : Receiver T : Transmit Notes: 1. ATN is a normal transceiver channel that functions additionally as an internal direction control or talk enable for EOI whenever the DC and TE inputs are in the same state. 2. Direction of data transmittion is from the terminal side to the bus side and the direction of data receiving is from the bus side to the terminal side. Data transfer is noninverting in both directions. Absolute Maximum Ratings Item Symbol Rating Unit Supply Voltage Input Voltage VCC VIC 7 5.5 V V Output Current Power Dissipation (Ta = 25°C) IOL PT 100 1150 mA mW Operating Temperature Range Storage Temperature Range Topr Tstg 0 to 70 –65 to +150 °C °C Note: 1. The absolute maximum ratings are values which must not individually be exceeded, and furthermore, no two of which may be realized at the same time. Rev.2.00, Jul.16.2004, page 2 of 11 HD75161A Recommended Operating Conditions Item Symbol Min Typ Max Unit Supply Voltage Output Current Bus Ports With 3 State Outputs VCC IOH 4.75 — 5.00 — 5.25 –5.2 V mA Terminal Ports Output Current Bus Ports With 3 State Outputs IOL — — — — –800 48 µA mA Topr — 0 — — 16 70 °C Terminal Ports Operating Temperature Logic Diagram DC TE ATN D ATN R EOI D EOI R D SRQ R REN REN D R IFC IFC D R DAV DAV D R NDAC D NDAC R NRFD NRFD D R Rev.2.00, Jul.16.2004, page 3 of 11 GPIB I/O PORTS TERMINAL I/O PORTS SRQ HD75161A DC Electrical Characteristics (Ta = 0 to 70°C) Item Symbol Input Voltage VIH VIL Input Clamp Voltage Hysteresis Bus Output Voltage VCC Min Max Unit Conditions — — — 0.8 V VIK — VT+ – VT– 0.4 — — –1.5 — V V II = –18 mA Terminal Bus VOH 2.7 2.5 — — — — V IOH = –800 µA IOH = –5.2 mA Terminal Bus VOL — — — — 0.5 0.5 V IOL = 16 mA IOL = 48 mA Terminal Terminal And II IIH — — — — 100 20 µA VI = 5.5 V VI = 2.7 V Control Inputs IIL Voltage at Bus Port VI/O (bus) — 2.5 — — –100 3.7 V VI = 0.5 V Driver II(bus) = 0 Current Into Bus VCC ON — –1.3 — — –1.5 — Disabled II(bus) = –12 mA Driver VI(bus) = –1.5 V to 0.4 V 0 — — — –3.2 +2.5 –3.2 0 0.7 — — 2.5 2.5 IOS — –15 — — 40 –75 ICC –25 — — — –125 100 mA CI/O (bus) — 30 — Input Current II/O (bus) Port Short Circuit Output Current Supply Voltage VCC OFF Terminal Bus Bus port Capacitance Note: 2 — mA Disabled VI(bus) = 0.4 V to 2.5 V VI(bus) = 2.5 V to 3.7 V VI(bus) = 3.7 V to 5 V VI(bus) = 5 V to 5.5 V µA mA pF VCC = 0, VI(bus) = 0 V to 2.5 V No Load TE, DC, low VCC = 5 V or 0 V, VI/O = 0 to 2 V, f = 1 MHz 1. VCC = 5 V, Ta = 25°C Switching Characteristics (VCC = 5 V, Ta = 25°C) tPLH Input Output Terminal BUS Test Min Typ Max Unit Circuit Test Conditions — 14 20 ns 1 CL = 30 pF tPHL tPLH BUS Terminal — — 14 12 20 20 2 RL = 38.3 Ω to 2.3 V CL = 30 pF TE DC BUS — — 16 — 22 60 3 RL = 240 Ω to 5 V CL = 15 pF Output Disable Time tHZ Output Enable Time tZL ATTN, EO1 REN, IFC — — — — 45 60 RL = 480 Ω to 0 V CL = 15 pF Output Disable Time tLZ Output Enable Time tZH and DAY Terminal — — — — 55 55 RL = 38.3 Ω to 2.3 V CL = 15 pF Output Disable Time tHZ Output Enable Time tZL — — — — 50 45 RL = 3 kΩ to 0 V CL = 15 pF Output Disable Time tLZ — — 55 RL = 280 Ω to 5 V Item Propagation Delay Time Symbol tPHL Output Enable Time tZH TE DC Rev.2.00, Jul.16.2004, page 4 of 11 4 HD75161A Switching Time Test Method 1. tPLH, tPHL 2.3 V R L= 38.3 Ω Test Point C L= 30 pF Waveforms-1 tr tf 90 % 1.5 V Terminal Input 3V 90 % 1.5 V 10 % 10 % t PLH 0V t PHL VOH Bus Output 2V 0.8 V VOL Rev.2.00, Jul.16.2004, page 5 of 11 HD75161A 2. tPLH, tPHL 5V Test Point R L= 240 Ω C L= 30 pF Waveforms-2 tr tf 90 % 1.5 V Bus Input 3V 90 % 1.5 V 10 % 10 % t PLH 0V t PHL VOH Terminal Output 1.5 V 1.5 V VOL Rev.2.00, Jul.16.2004, page 6 of 11 HD75161A 3. tZH, tHZ, tZL, tLZ Test Point 2.3 V R L= 38.3 Ω S2 R L= 480 Ω C L= 15 pF S1 Waveforms-3 tr tf 90 % 1.5 V Control Input 3V 90 % 1.5 V 10 % 10 % t ZH Bus Output S1 Closed S2 Open 0V t HZ 90 % VOH 2V 0.8 V t LZ t ZL 2.3 V Bus Output S1 Open S2 Closed Rev.2.00, Jul.16.2004, page 7 of 11 0.8 V 10 % VOL HD75161A 4. tZH, tHZ, tZL, tLZ 5V Test Point S2 R L= 280 Ω C L= 15 pF R L= 3 kΩ S1 Waveforms-4 tr tf 90 % 1.5 V Control Input 3V 90 % 1.5 V 10 % 10 % t ZH Terminal Output S1 Closed S2 Open 0V t HZ 90 % VOH 1.5 V 0V t LZ t ZL 5V Terminal Output S1 Open S2 Closed Notes: 1.5 V 10 % VOL 1. The pulse generator has the following characteristics: PRR = 1 MHz, 50% duty cycle, tr≤ 6 ns, tf≤ 6 ns, Zout = 50 Ω 2. CL includes probe and jig capacitance. 3. All diodes are 1S2074(H). Rev.2.00, Jul.16.2004, page 8 of 11 HD75161A Characteristics Of Driver And Receiver 5 (b) Driver Output Ta = 25 °C V CC = 5.25 V 5.00 V 4.75 V 4 3 2 1 0 0 –20 –40 –60 Low Level Output Voltage VOL (V) High Level Output Voltage VOH (V) (a) Driver Output 0.5 0.4 0.1 0 –80 –100 0 20 30 40 50 Low Level Output Current IOL (mA) V CC = 5.25 V 5.00 V 4.75 V 2 1 Low Level Output Voltage VOL (V) High Level Output Voltage VOH (V) 10 (d) Receiver Output Ta = 25 °C 3 V CC = 5.00 V V CC = 5.25 V 0.2 (c) Receiver Output 4 V CC = 4.75 V 0.3 High Level Output Current IOH (mA) 5 Ta = 25 °C 0.5 0.4 Ta = 25 °C V CC = 4.75 V 0.3 V CC = 5.00 V V CC = 5.25 V 0.2 0.1 0 0 0 –10 –20 –30 –40 –50 High Level Output Current IOH (mA) Rev.2.00, Jul.16.2004, page 9 of 11 0 12 18 24 30 Low Level Output Current IOL (mA) HD75161A High Level Output Voltage VOUT (V) (e) Input / Output Characteristics at Receiver 5 VCC = 5 V Ta = 25 °C 4 3 VT – 2 VT + 1 0 0 0.4 0.8 1.2 1.6 High Level Input Voltage VIN (V) Rev.2.00, Jul.16.2004, page 10 of 11 2.0 HD75161A Package Dimensions As of January, 2003 Unit: mm 24.50 25.40 Max 1 7.00 Max 11 6.30 20 10 2.54 ± 0.25 0.51 Min 1.27 Max 0.48 ± 0.10 2.54 Min 5.08 Max 1.30 0.89 7.62 + 0.11 0.25 – 0.05 0˚ – 15˚ Package Code JEDEC JEITA Mass (reference value) DP-20N — Conforms 1.26 g Unit: mm 24.50 25.40 Max 1 7.00 Max 11 6.30 20 10 1.30 2.54 ± 0.25 *0.48 ± 0.08 0.51 Min 1.27 Max 2.54 Min 5.08 Max 0.89 7.62 *0.25 ± 0.06 0˚ – 15˚ *NI/Pd/AU Plating Rev.2.00, Jul.16.2004, page 11 of 11 Package Code JEDEC JEITA Mass (reference value) DP-20NEV — Conforms 1.26 g Sales Strategic Planning Div. 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