H D 14 H C3 3 @ Octal D-type Transparent Latches (with 3-state outputs) H D 14 H C 5 3 3 @ Octal D-type Transparent Latches (with inverted 3-state outputs) When the latch enable input is high, the Q outputs of a PIN ARRANGEMENT HD74HC373 will follow the D inputs and the O outputs of HD74HC533 will follow the inversion of the D inputs. When @ HD74HC373 the latch enable goes low, data at the D inputs will be re- Out put 7 ane) Yee tained at the outputs until latch enable returns high again. Control When a high logic level is applied to the output control 1@ [2] [13] 89 input, all outputs go to a high impedance state, regardless wp] 28} 8D of what signals are present at the other inputs and the state ap [4] 7] 7D of the storage elements. 29 Gy ng] 79 39 [6 | 15] 6Q @ FEATURES of ha 60 @ High Speed Operation: tpg (D to Q)=16ns typ. (Cy = 50pF) ap [8] 13} 50 @ High Output Current: Fanout of 15 LSTTL Loads 4Q [3] 12) 5Q Wide Operating Voltage: Vcc=2~6V (i im ble G @ Low !nput Current: 1A max. GND Enable @ Low Quiescent Supply Current: /cc (static) =4uA max. (Ta=25C) (Top View) MM BLOCK DIAGRAM @ HO74HC533 _ @ HD74HC373 Cornrot L2 29) Vee 10 [2] [19] 80 10 [3] 18] 8D 2p [4] [27] 7D 20 [5] [16] 70 30 [6] [15] 60 7] l14] 6D 40 [8] 3) 5D [3] 2) sa GN [10 [i}Enable G Enable GO Output Control (Top View) Enable Go HOTA 18 2Q 39 4Q 5Q 6Q 74 M@ FUNCTION TABLE Output Control Output Enable D HD74HC373 HD74HC533 Control G Q Q L H H H L L H L L H L L xX No Change No Change H xX xX Z Zz irrelevant Notes) X: Z: Off (high-impedance) state of a 3-state output. 238HD74HC373, HD74HC533 M@ ABSOLUTE MAXIMUM RATINGS Item Symbol Rating Unit Supply Voltage Range Vec 0.5~+7.0 Vv Input Voltage Vin 0.5~Veco+0.5 Vv Output Voltage Vour 0.5~Vec+0.5 Vv DC Current Drain per pin Tour +35 mA DC Current Drain per Vee,GND| Icc, Icno +75 mA DC Input Diode Current Tix +20 mA DC Output Diode Current Tox +20 mA Power Dissipation per Package | Pr 500 mW Storage Temperature Tate 65~ +150 C MDC CHARACTERISTICS Ta=25C Ta=40~ +85C Item Symbol Test Conditions - Unit Vece(V) min typ max min max 2.0 1.5 - - 1.5 Vin 4.5 3.15 - | 3.15 - Vv 6.0 4.2 > - 4.2 - Input Voltage 2.0 T = 05 TZ 05 Vin 4.5 _ | 1.35 | 1.35 Vv 6.0 - - 1.8 _ 1.8 2.0 1.9 2.0 - 1.9 - 4.5 Ton= 204A 4.4 4.5 - 4.4 - Von 6.0 Vist Vin or Vin 5.9 6.0 _ 5.9 _ Vv 4.5 Ton= 6mA 4.18 - | 4.13 _ 6.0 Tou 7.8mA 5.68 - | 5.63 - Output Voltage 2.0 00 01 _ 01 4.5 Tor = 20HA - 0.0 0.1 - 0.1 Vor 6.0 Vie= Vin or Viz _ 0.0 0.1 _ 0.1 Vv 4.5 Tor=6mA _ | 0.26 |} 0.33 6.0 Tor =7.8mA _ | 0.26 | 0.33 Off-state Output Current loz 6.0 Via Vin or Viz, Vos Vec or GND - | 0.5 | +5.0 BA Input Current Ia 6.0 Vit Vcc or GND - | +0.1 | 1.0] wA Quiescent Supply Current Icc 6.0 Via Vcc or GND, Lac OKA _ - 4.0 _ 40] wA 239HD74HC373, HD74HC533 MAC CHARACTERISTICS (C.=50pF, Input t,=t;6ns) Ta=25C Ta= ~40~ +85C Item Symbol! Test Conditions Unit Vec(V) min typ max | min max 2.0 - > 150 _ 190 teLy 4.5 |GtoQ _ 18 30 _ 38 ns rene Teg -{[- | e]-| 3 Propagation Delay Time - 2.0 - _ 125 - 155 tein 4.5 |}DtoQ = 16 25 _ 31 ns tpat 6.0 - _ 21 - 26 2.0 - _ 150 _ 190 tz. 4.5 _ 12 30 _ 38 ns 6.0 _ _ 26 - 33 Output Enable Time 2.0 _ _ 150 _ 190 tzx 4.5 _ 15 30 _ 38 ns 6.0 _ _ 26 - 33 2.0 = _ 150 _ 190 tuz 4.5 _ 13 30 - 38 ns 6.0 _ _ 26 - 33 Output Disable Time 2.0 = _ 150 _ 190 tuz 4.5 _ 16 30 _ 38 ns 6.0 _ - 26 - 33 2.0 100 = _ 125 _ Setup Time tev 4.5 20 1 _ 25 - ns 6.0 17 _ > 21 - 2.0 50 - _ 65 - Hold Time th 4.5 10 1 _ 13 _ ns 6.0 9 - - ll - 2.0 80 - - 100 _ Pulse Width tw 4.5 16 6 _ 20 - ns 6.0 4 _ - 17 _ 2.0 _ _ 60 _ 75 trix Output Rise/Fall Time : 4.5 _ 4 12 = 15 ns m 16.0 |] - 10 | | 23 Input Capacitance Cun - _ 10 _ 10 pr 240