HD74HC592 8-bit Register/Binary Counter Description The HD74HC592 consists of a parallel input, 8-bit storage register feeding an 8-bit binary counter. Both the register and the counter have individual positive edge-triggered clocks. In addition, the counter has direct load and clear functions. Expansion is easily accomplished by connecting RCO of the first stage to the count enable of the second stage, etc. Features • • • • • High Speed Operation: tpd (CCK to RCO) = 24 ns typ (CL = 50 pF) High Output Current: Fanout of 10 LSTTL Loads Wide Operating Voltage: VCC = 2 to 6 V Low Input Current: 1 µA max Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C) Function Table Inputs RCK CLoad CCLR CCKEN CCK Function X L H X X Regiater data loaded into counter X H L X X Counter clear H H X X Input data A to H stored into register H H X X No change in register X H H L Count up X H H L No count X H H H X No cont RCO = QA’•QB’•QC’•QD’•QE’•QF’•QG’•QH’• (CCKEN) (QA’ to QH’: Output of Internal Counter) HD74HC592 Pin Arrangement B 1 16 VCC C 2 15 A D 3 14 C Load E 4 13 RCK F 5 12 CCKEN G 6 11 CCK H 7 10 CCLR 9 RCO GND 8 (Top view) 2 Logic Diagram RCK D D RCK A B RCK D RCK D D RCK C D E RCK D D D RCK F G H RCK CCKEN CLOAD CCLR CCK RCK LD CLR RCK RCK RCK RCK RCK RCK RCK RCK CCK CCK RCO 3 HD74HC592 Q LD CLR CCK CCK D T Q LD CLR CCK CCK D T Q LD CLR CCK CCK D T Q LD CLR CCK CCK D T Q LD CLR CCK CCK D T Q LD CLR CCK CCK D T Q Q LD CLR CCK CCK D T D T LD CLR CCK CCK HD74HC592 DC Characteristics Ta = –40 to +85°C Ta = 25°C Item Symbol VCC (V) Min Typ Max Min Max Unit Input voltage VIH 2.0 1.5 — — 1.5 — V 4.5 3.15 — — 3.15 — 6.0 4.2 — — 4.2 — 2.0 — — 0.5 — 0.5 4.5 — — 1.35 — 1.35 6.0 — — 1.8 — 1.8 2.0 1.9 2.0 — 1.9 — 4.5 4.4 4.5 — 4.4 — 6.0 5.9 6.0 — 5.9 — 4.5 4.18 — — 4.13 — I OH = –4 mA 6.0 5.68 — — 5.63 — I OH = –5.2 mA 2.0 — 0.0 0.1 — 0.1 4.5 — 0.0 0.1 — 0.1 6.0 — 0.0 0.1 — 0.1 4.5 — — 0.26 — 0.33 I OL = 4 mA 6.0 — — 0.26 — 0.33 I OL = 5.2 mA VIL Output voltage VOH VOL Test Conditions V V V Vin = VIH or VIL I OH = –20 µA Vin = VIH or VIL I OL = 20 µA Input current Iin 6.0 — — ±0.1 — ±1.0 µA Vin = VCC or GND Quiescent supply current I CC 6.0 — — 4.0 40 µA Vin = VCC or GND, Iout = 0 µA 4 — HD74HC592 AC Characteristics (CL = 50 pF, Input tr = tf = 6 ns) Ta = –40 to +85°C Ta = 25°C Item Symbol VCC (V) Min Typ Max Min Max Unit Maximum clock f max 2.0 — — 5 — 4 MHz 4.5 — — 25 — 20 6.0 — — 29 — 24 Propagation delay t PLH 2.0 — — 200 — 250 time 4.5 — 24 40 — 50 6.0 — — 34 — 43 t PLH 2.0 — — 200 — 250 t PHL 4.5 — 27 40 — 50 6.0 — — 34 — 43 2.0 — — 200 — 250 4.5 — 26 40 — 50 6.0 — — 34 — 43 t PLH 2.0 — — 300 — 375 t PHL 4.5 — 29 60 — 75 6.0 — — 51 — 64 2.0 80 — — 100 — 4.5 16 8 – 20 — 6.0 14 — — 17 — 2.0 100 — — 125 — 4.5 20 12 — 25 — 6.0 17 — — 21 — 2.0 100 — — 125 — 4.5 20 0 — 25 — 6.0 17 — — 21 — 2.0 200 — — 250 — 4.5 40 14 — 50 — 6.0 34 — — 43 — frequency t PHL t PLH Pulse width Removal time Setup time tw t rem t su Output rise/fall t TLH 2.0 — — 75 — 95 time t THL 4.5 — 5 15 — 19 6.0 — — 13 — 16 — — 5 10 — 10 Input capacitance Cin Test Conditions ns CCK to RCO ns C Load to RCO ns CCLR to RCO ns RCK to RCO ns ns CCLR to CCK ns CCKEN to CCK ns CCK to RCK ns pF 5 Unit: mm 19.20 20.00 Max 1 7.40 Max 9 6.30 16 8 1.3 0.48 ± 0.10 2.54 Min 5.06 Max 2.54 ± 0.25 0.51 Min 1.11 Max 7.62 + 0.13 0.25 – 0.05 0° – 15° Hitachi Code JEDEC EIAJ Weight (reference value) DP-16 Conforms Conforms 1.07 g Unit: mm 10.06 10.5 Max 9 1 8 1.27 *0.42 ± 0.08 0.40 ± 0.06 0.10 ± 0.10 0.80 Max *0.22 ± 0.05 0.20 ± 0.04 2.20 Max 5.5 16 0.20 7.80 +– 0.30 1.15 0° – 8° 0.70 ± 0.20 0.15 0.12 M *Dimension including the plating thickness Base material dimension Hitachi Code JEDEC EIAJ Weight (reference value) FP-16DA — Conforms 0.24 g Unit: mm 9.9 10.3 Max 9 1 8 0.635 Max *0.42 ± 0.08 0.40 ± 0.06 0.15 *0.22 ± 0.03 0.20 ± 0.03 1.27 0.11 0.14 +– 0.04 1.75 Max 3.95 16 0.10 6.10 +– 0.30 1.08 0° – 8° 0.67 0.60 +– 0.20 0.25 M *Dimension including the plating thickness Base material dimension Hitachi Code JEDEC EIAJ Weight (reference value) FP-16DN Conforms Conforms 0.15 g Cautions 1. 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