SCAN18540TSSC ,Inverting Line Driver with 3-STATE OutputsapplicationsTest Access Port and Boundary Scan Architecture with theincorporation of the defined bo ..
SCAN18540TSSC ,Inverting Line Driver with 3-STATE Outputsapplicationsnals. This device is compliant with IEEE 1149.1 Standard
SCAN18540TSSC-SCAN18540TSSCX
Inverting Line Driver with 3-STATE Outputs
SCAN18540T Inverting Line Driver with 3-STATE Outputs October 1991 Revised May 2000 SCAN18540T Inverting Line Driver with 3-STATE Outputs General Description Features The SCAN18540T is a high speed, low-power line driverIEEE 1149.1 (JTAG) compliant featuring separate data inputs organized into dual 9-bitDual output enable signals per byte bytes with byte-oriented paired output enable control sig- 3-STATE outputs for bus-oriented applications nals. This device is compliant with IEEE 1149.1 Standard 9-bit data busses for parity applications Test Access Port and Boundary Scan Architecture with the incorporation of the defined boundary-scan test logic andReduced-swing outputs source 32 mA/sink 64 mA test access port consisting of Test Data Input (TDI), TestGuaranteed to drive 50Ω transmission line to TTL input Data Out (TDO), Test Mode Select (TMS), and Test Clock levels of 0.8V and 2.0V (TCK). TTL compatible inputs 25 mil pitch SSOP (Shrink Small Outline Package) Includes CLAMP and HIGHZ instructions Member of Fairchild’s SCAN products Ordering Code: Order Number Package Number Package Description SCAN18540TSSC MS54A 56-Lead Shrink Small Outline Package (SSOP), JEDEC MO-118, 0.300 Wide Connection Diagram Pin Descriptions Pin Names Description AI Input pins, A side (0–8) BI Input pins, B side (0–8) AOE , AOE 3-STATE Output Enable Input pins, A side 1 2 BOE , BOE 3-STATE Output Enable Input pins, B side 1 2 AO Output pins, A side (0–8) BO Output pins, B side (0–8) Truth Tables Inputs AO (0–8) AOE AOE AI 1 2 (0–8) LL H L HX X Z XH X Z LL L H Inputs BO (0–8) BOE BOE BI 1 2 (0–8) LL H L HX X Z XH X Z LL L H H = HIGH Voltage Level X = Immaterial L = LOW Voltage Level Z = High Impedance © 2000 DS010964
