HD74HCT564/HD74HCT574 Octal D-type Flip-Flops (with 3-state outputs) Description These devices are positive edge triggered flip-flops. The difference between HD74HCT564 and HD74HCT574 is only that the former has inverting outputs and the latter has non-inverting outputs. Data at the D inputs, meeting the set-up and hold time requirements, are transferred to the Q or Q outputs on positive going transitions of the clock (CK) input. When a high logic level is applied to the output control (OC) input, all outputs go to a high impedance state, regardless of what signals are present at the other inputs and the state of the storage elements. Features • • • • • • LSTTL Output Logic Level Compatibility as well as CMOS Output Compatibility High Speed Operation: tpd (D to Q, Q) = 15 ns typ (CL = 50 pF) High Output Current: Fanout of 15 LSTTL Loads Wide Operating Voltage: VCC = 4.5 to 5.5 V Low Input Current: 1 µA max Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C) Function Table Outputs Output Control Clock Data HD74HCT564 HD74HCT574 L H L H L L H L L L X Q0 Q0 H X X Z Z HD74HCT564/HD74HCT574 Pin Arrangement HD74HCT564 Output Control 1 20 VCC OE 1D 2 2D 3 D OE D OE D OE D OE D OE D Q 13 7Q 12 8Q Q 11 Clock GND 10 (Top view) 2 15 5Q 14 6Q Q 7D 8 8D 9 Q OE D 17 3Q 16 4Q Q 5D 6 6D 7 Q OE D 19 1Q 18 2Q Q 3D 4 4D 5 Q HD74HCT564/HD74HCT574 HD74HCT574 Output Control 1 20 VCC OE 1D 2 2D 3 D OE D OE D OE D OE D OE D 15 5Q 14 6Q Q 7D 8 8D 9 Q OE D 17 3Q 16 4Q Q 5D 6 6D 7 Q OE D 19 1Q 18 2Q Q 3D 4 4D 5 Q Q 13 7Q 12 8Q Q 11 Clock GND 10 (Top view) 3 HD74HCT564/HD74HCT574 Block Diagram HD74HCT564 CLK OC 4 1D D C Q C 1Q 2D D C Q C 2Q 3D D C Q C 3Q 4D D C Q C 4Q 5D D C Q C 5Q 6D D C Q C 6Q 7D D C Q C 7Q 8D D C Q C 8Q HD74HCT564/HD74HCT574 HD74HCT574 1D D C Q C 1Q 2D D C Q C 2Q 3D D C Q C 3Q 4D D C Q C 4Q 5D D C Q C 5Q 6D D C Q C 6Q 7D D C Q C 7Q 8D D C Q C 8Q CLK OC Absolute Maximum Ratings Item Symbol Rating Unit Supply voltage range VCC –0.5 to +7.0 V Input voltage VIN –0.5 to VCC + 0.5 V Output voltage VOUT –0.5 to VCC + 0.5 V DC current drain per pin I OUT ±35 mA DC current drain per VCC, GND I CC, I GND ±75 mA DC input diode current I IK ±20 mA DC output diode current I OK ±20 mA Power dissipation per package PT 500 mW Storage temperature Tstg –65 to +150 °C 5 HD74HCT564/HD74HCT574 DC Characteristics Ta = –40 to +85°C Ta = 25°C Test Conditions Item Symbol Min Typ Max Min Max Unit VCC (V) Input voltage VIH 2.0 — — — V 4.5 to 5.5 VIL — — 0.8 — 0.8 V 4.5 to 5.5 VOH 4.4 — — 4.4 — V 4.5 Vin = VIH or VIL I OH = –20 µA 4.18 — — 4.13 — 4.5 I OH = –6 mA — — 0.1 — 0.1 — — 0.26 — 0.33 Output voltage VOL 2.0 V 4.5 Vin = VIH or VIL I OL = 20 µA 4.5 I OL = 6 mA Off-state output current I OZ — — ±0.5 — ±5.0 µA 5.5 Vin = VIH or VIL, Vout = VCC or GND Input current Iin — — ±0.1 — ±1.0 µA 5.5 Vin = VCC or GND Quiescent current I CC — — 4.0 — 40 µA 5.5 Vin = VCC or GND, Iout = 0 µA AC Characteristics (CL = 50 pF, Input tr = tf = 6 ns) Ta = –40 to +85°C Ta = 25°C Test Conditions Item Symbol Min Typ Max Min Max Unit VCC (V) Maximum clock frequency f max — — 30 — 24 ns 4.5 Propagation delay t PLH — 14 31 — 39 ns 4.5 time t PHL — 15 31 — 39 Output enable t ZL — 16 30 — 38 time t ZH — 16 30 — 38 Output disable t LZ — 15 30 — 38 time t HZ — 18 30 — 38 Setup time t su 12 3 — 25 — ns 4.5 Hold time th 5 –2 — 5 — ns 4.5 Pulse width tw 16 7 — 20 — ns 4.5 Output rise/fall t TLH — 4 12 — 15 ns 4.5 time t THL — 4 12 — 15 Input capacitance Cin — 5 10 — 10 6 4.5 ns 4.5 4.5 ns 4.5 4.5 4.5 pF — Unit: mm 24.50 25.40 Max 6.30 11 1 7.00 Max 20 10 1.30 2.54 ± 0.25 0.48 ± 0.10 0.51 Min 1.27 Max 2.54 Min 5.08 Max 0.89 7.62 + 0.11 0.25 – 0.05 0° – 15° Hitachi Code JEDEC EIAJ Weight (reference value) DP-20N — Conforms 1.26 g Unit: mm 12.6 13 Max 11 1 10 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 20 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-20DA — Conforms 0.31 g Unit: mm 12.8 13.2 Max 11 1 10 0.20 ± 0.10 0.935 Max 1.27 *0.42 ± 0.08 0.40 ± 0.06 *0.27 ± 0.05 0.25 ± 0.04 2.65 Max 7.50 20 0.25 10.40 +– 0.40 1.45 0° – 8° 0.57 0.70 +– 0.30 0.15 0.12 M *Dimension including the plating thickness Base material dimension Hitachi Code JEDEC EIAJ Weight (reference value) FP-20DB Conforms — 0.52 g Unit: mm 6.50 6.80 Max 11 1 10 4.40 20 0.65 *0.22+0.08 –0.07 0.20 ± 0.06 1.0 0.13 M 6.40 ± 0.20 *Dimension including the plating thickness Base material dimension 0.07 +0.03 –0.04 0.10 *0.17 ± 0.05 0.15 ± 0.04 1.10 Max 0.65 Max 0° – 8° 0.50 ± 0.10 Hitachi Code JEDEC EIAJ Weight (reference value) TTP-20DA — — 0.07 g Cautions 1. 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