11C70 NSC | Alldatasheet
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o hy : = A National Master-Slave D-Type Flip-Flop General Description The 11C70 is a high-speed ECL D-Type Master-Slave Flip- This also allows operation with ECL supply voltage Vee of Flop capable of toggle rates over 650 MHz. Designed pri- —5.2V or with TTL supply Voc of +5.0V. Each input has an marily for communications and instrumentation, it can also _internal 50 k. pull-down resistor, which allows unused in- be used in other digital applications and is fully compatible _ puts to be left open. Open emitter-follower outputs accom- with 10K ECL. Asynchronous Direct Set and Direct Clear modate a variety of loading and terminating schemes. The inputs are provided which override the clock. 11C70 is pin-compatible with the Motorola MC1670 but is a The circuit is voltage-compensated, which makes output _higher-frequency replacement. levels and input thresholds insensitive to Ve¢ variations. Ordering Code: see sections Logic Symbol Connection Diagram 16-Pin DIP Se Ww Veer“! 16 Voce o-42 15 NC ° Q as 14feNc O44 13F-NC Sy 5 12 FNC cP 0 NC—16 aD ol’) cpP—i7 10 FNC ce a Vee 8 oc TUF /9881-1 Co TUF/9801-2 Truth Table ["Pinnames [Description | Operation CE Clock Enable (Active LOW) Sp Cp D CE cp cp Clock Pulse Ho L xX xX xX H | Direct Set dD Data Input lL oH xX x x L_— | Direct Clear QQ Outputs H H x x xX | — | Intermediate So Direct Set LoL xX H | Q | Disable Clock Cp Direct Clear LoL H L | #H | Clocked Set L L L L a L Clocked Clear H = HIGH Voltage Level L = LOW Voltage Level X = Don't Care ~~ = LOW to HIGH Transition 1, t+1 = Time Before and After Clock Positive Transition 4-14
Absolute Maximum Ratings Recommended Operating g Above which the useful life may be impaired Conditions o If Military/Aerospace specified devices are required, Min Typ Max please contact the National Semiconductor Sales _ _ _ Office/Distributors for availability and specifications. Supply Voltage (Vee) 5.7V0 —5.2V 00 —4.7V Ambient Temperature (Ta) oc + 75°C Storage Temperature —65°C to +150°C Maximum Junction Temperature (Ty) +150°C Supply Voltage Range —7.0V to GND Input Voltage (DC) Vee to GND Output Current (DC Output HIGH) —50 mA Operating Range -5.7V to -4.7V Lead Temperature (Soldering, 10 sec.) 300°C Ver = —5.2V, Voc = GND Vou Output Voltage HIGH —1000 840 mv oc Vin = Vina OF Vicg per Truth 960 —810 mV +25°C Table Loading 50 to ~2V —900 —720 mV +75°C VoL Output Voltage LOW —1870 — 1665 mV oc —1850 —1620 mV +25°C — 1850 1595 mV +75°C Vouc Output Voltage HIGH —1020 mV orc Vin = Ving oF Vita for D Input —980 mV +26°C Loading 502 to -2V —920 mV +78°C Vouc Output Voltage LOW 1615 mv oc —1600 mv +25°C — 1575 mV +759°C Vin Input Voltage HIGH —1135 —840 mV oc Guaranteed Input Voltage HIGH — 1095 —810 mV +25°C for All inputs —1035 —720 mv +75°C Vit Input Voltage LOW ~1870 ~1500 mv orc Guaranteed Input Voltage LOW —1850 —1485 mV + 25°C for All Inputs — 1830 — 1460 mV +75°C ti Input Current HIGH +25°C | Vin = VIHA Clock Input 250 BA Data Input 270 pA Sp and Cp 550 pA Vee = —5.2V, Voc = GND, Ta = +25°C 4 | symbol | Parameter | Min’ | Typ | Max | Units | Conditions teins te Propagation Delay (OP-Q) [| ia1 [| 14 [ns | See Fiquesganaa tounsten | PropagationDeley(SG.coa | | 1a | a | ns | tu TranstionTimeao%toeo% | | oe | 13 | ns tra TransitonTimeso%toz% [| os | 1a | ns | Note: This device is guaranteed for trogimax) = 500 MHz over the 0"C to +75°C temperature range. 415
FIGURE 2. Toggie Frequency Test Circuit
FIGURE 3. Propagation Delay and Cp Test Circuit
FIGURE 4. Propagation Delay and Sp Test Circuit