HD74HC77 4-bit Bistable Latch REJ03D0552-0200 (Previous ADE-205-424) Rev.2.00 Oct 06, 2005 Description The HD74HC77 is ideally suited for use as temporary storage for binary information between processing units and input/output or indicator units. Information present at a data (D) input is transferred to the Q output when the enable (G) is high and the Q output will follow the data input as long as the enable remains high. When the enable goes low the information (that was present at the data input at the time the transition occurred) is retained at the Q output until the enable is permitted to go high. Features • • • • • • High Speed Operation: tpd (D to Q) = 12 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) = 2 µA max (Ta = 25°C) Ordering Information Part Name Package Type HD74HC77P DILP-14 pin HD74HC77FPEL SOP-14 pin (JEITA) HD74HC77RPEL SOP-14 pin (JEDEC) Package Code (Previous Code) PRDP0014AB-B (DP-14AV) PRSP0014DF-B (FP-14DAV) PRSP0014DE-A (FP-14DNV) Package Abbreviation Taping Abbreviation (Quantity) P — FP EL (2,000 pcs/reel) RP EL (2,500 pcs/reel) Note: Please consult the sales office for the above package availability. Function Table Inputs H: L: X: Output Data Enable G Q L H L H H H X L No change High level Low level Irrelevant Rev.2.00, Oct 06, 2005 page 1 of 6 HD74HC77 Pin Arrangement 14 1Q 1D 1 2D 2 D Enable3-4 3 D Q G G Q 13 2Q 12 Enable1-2 11 GND VCC 4 3D 5 D 4D 6 D NC 7 Q G G Q 10 NC 9 3Q 8 4Q (Top view) Logic Diagram (1/4) Data Q Enable Absolute Maximum Ratings Item Supply voltage range Symbol VCC Ratings –0.5 to 7.0 Unit V Input / Output voltage Input / Output diode current Vin, Vout IIK, IOK –0.5 to VCC +0.5 ±20 V mA Output current VCC, GND current IO ICC or IGND ±25 ±50 mA mA PT Tstg 500 –65 to +150 mW °C Power dissipation Storage temperature Note: The absolute maximum ratings are values, which must not individually be exceeded, and furthermore, no two of which may be realized at the same time. Rev.2.00, Oct 06, 2005 page 2 of 6 HD74HC77 Recommended Operating Conditions Symbol Ratings Unit Supply voltage Input / Output voltage Item VCC VIN, VOUT 2 to 6 0 to VCC V V Operating temperature Ta –40 to 85 0 to 1000 °C 0 to 500 0 to 400 ns Input rise / fall time Note: *1 tr , tf Conditions VCC = 2.0 V VCC = 4.5 V VCC = 6.0 V 1. This item guarantees maximum limit when one input switches. Waveform: Refer to test circuit of switching characteristics. Electrical Characteristics Ta = 25°C Item Input voltage Symbol VCC (V) VIH VIL Output voltage VOH VOL Ta = –40 to+85°C 2.0 Min 1.5 Typ — Max — Min 1.5 Max — 4.5 6.0 3.15 4.2 — — — — 3.15 4.2 — — 2.0 4.5 — — — — 0.5 1.35 — — 0.5 1.35 6.0 2.0 — 1.9 — 2.0 1.8 — — 1.9 1.8 — 4.5 6.0 4.4 5.9 4.5 6.0 — — 4.4 5.9 — — 4.5 6.0 4.18 5.68 — — — — 4.13 5.63 — — 2.0 4.5 — — 0.0 0.0 0.1 0.1 — — 0.1 0.1 6.0 4.5 — — 0.0 — 0.1 0.26 — — 0.1 0.33 Unit Test Conditions V V V Vin = VIH or VIL IOH = –20 µA IOH = –4 mA IOH = –5.2 mA V Vin = VIH or VIL IOL = 20 µA IOL = 4 mA Input current Iin 6.0 6.0 — — — — 0.26 ±0.1 — — 0.33 ±1.0 IOL = 5.2 mA µA Vin = VCC or GND Quiescent supply current ICC 6.0 — — 2.0 — 20 µA Vin = VCC or GND, Iout = 0 µA Switching Characteristics (CL = 50 pF, Input tr = tf = 6 ns) Item Propagation delay time Hold time Output rise/fall time Input capacitance Symbol VCC (V) tPLH, tPHL th tTLH, tTHL Cin Min Ta = 25°C Ta = –40 to +85°C Unit Typ Max Min Max 2.0 4.5 — — — 12 105 21 — — 130 26 6.0 2.0 — — — — 18 100 — — 22 125 4.5 6.0 — — 13 — 20 17 — — 25 21 2.0 4.5 5 5 — 1 — — 5 5 — — 6.0 2.0 5 — — — — 75 5 — — 95 4.5 6.0 — — 5 — 15 13 — — 19 16 — — 5 10 — 10 Rev.2.00, Oct 06, 2005 page 3 of 6 Test Conditions ns Data to Q ns G to Q ns ns pF HD74HC77 Test Circuit VCC VCC Pulse generator Zout = 50 Ω Input Pulse generator Zout = 50 Ω See Function Table Output Input Enable Q CL = 50 pF Output Q Data CL = 50 pF Note: C L includes the probe and jig capacitance. Waveforms • Waveform − 1 tr tf tw 90 % D tw VCC 90 % 50 % 50 % 50 % 10 % 10 % t su th tr tw VCC 50 % 50 % tw t PLH 0V t PHL t PHL t PLH 90 % Q th tf 90 % 90 % 50 % 50 % 10 % 10 % Latch Enable 0V t su 50 % 10 % t TLH VOH 90 % 50 % 10 % t THL Note: 1. Input waveform: PRR ≤ 1 MHz, Zo = 50 Ω, tr ≤ 6 ns, tf ≤ 6 ns Rev.2.00, Oct 06, 2005 page 4 of 6 VOL HD74HC77 Package Dimensions JEITA Package Code P-DIP14-6.3x19.2-2.54 RENESAS Code PRDP0014AB-B Previous Code DP-14AV MASS[Typ.] 0.97g D 8 E 14 1 7 b3 Z A1 A Reference Symbol Nom e1 7.62 D 19.2 E 6.3 A1 0.51 bp 0.40 L e1 0.48 c 0.19 θ 0° JEITA Package Code P-SOP14-3.95x8.65-1.27 RENESAS Code PRSP0014DE-A *1 0.56 e 2.29 0.31 2.54 2.79 15° 2.39 L 2.54 MASS[Typ.] 0.13g Previous Code FP-14DNV NOTE) 1. DIMENSIONS"*1 (Nom)"AND"*2" DO NOT INCLUDE MOLD FLASH. 2. DIMENSION"*3"DOES NOT INCLUDE TRIM OFFSET. F D 14 7.4 0.25 Z ( Ni/Pd/Au plating ) 20.32 1.30 b3 c Max 5.06 A θ bp e Dimension in Millimeters Min 8 c *2 Index mark HE E bp Reference Symbol Terminal cross section ( Ni/Pd/Au plating ) Dimension in Millimeters Min Nom Max D 8.65 9.05 E 3.95 A2 A1 7 1 Z e *3 bp 0.10 0.14 A x M bp L1 0.25 1.75 0.34 0.40 0.46 0.15 0.20 0.25 6.10 6.20 b1 c A c1 A1 θ L y Detail F θ 0° HE 5.80 1.27 e x 0.25 y 0.15 0.635 Z L L Rev.2.00, Oct 06, 2005 page 5 of 6 8° 0.40 1 0.60 1.08 1.27 HD74HC77 JEITA Package Code P-SOP14-5.5x10.06-1.27 RENESAS Code PRSP0014DF-B *1 Previous Code FP-14DAV D MASS[Typ.] 0.23g NOTE) 1. DIMENSIONS"*1 (Nom)"AND"*2" DO NOT INCLUDE MOLD FLASH. 2. DIMENSION"*3"DOES NOT INCLUDE TRIM OFFSET. F 14 8 c HE *2 E bp Index mark Reference Symbol Terminal cross section ( Ni/Pd/Au plating ) 1 Z *3 Nom Max D 10.06 10.5 E 5.50 A2 7 e A1 bp Dimension in Millimeters Min x M 0.00 0.10 0.20 0.34 0.40 0.46 0.15 0.20 0.25 7.80 8.00 2.20 A L1 bp b1 c A c A1 θ y L Detail F 1 θ 0° HE 7.50 1.27 e x 0.12 y 0.15 Z 1.42 0.50 L L Rev.2.00, Oct 06, 2005 page 6 of 6 8° 1 0.70 1.15 0.90 Sales Strategic Planning Div. Nippon Bldg., 2-6-2, Ohte-machi, Chiyoda-ku, Tokyo 100-0004, Japan Keep safety first in your circuit designs! 1. Renesas Technology Corp. puts the maximum effort into making semiconductor products better and more reliable, but there is always the possibility that trouble may occur with them. Trouble with semiconductors may lead to personal injury, fire or property damage. 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