HD74HC423A Dual Retriggerable Monostable Multivibrators REJ03D0626-0200 (Previous ADE-205-505) Rev.2.00 Mar 30, 2006 Description This multivibrator features output-pulse-duration control by two methods. The basic pulse duration is programmed by selection of external resistance and capacitance values. Once triggered, the basic pulse duration may be extended by retriggering the gated low-level-active (A) or high-level-active (B) inputs, or be reduced by use of the overriding clear. The B input is a Schmitt trigger enabling jitter-free triggering from input signals with slow transition rates. Features • High Speed Operation • 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 • Ordering Information Part Name HD74HC423AP Package Type DILP-16 pin Package Code (Previous Code) PRDP0016AE-B (DP-16FV) Package Abbreviation P — PRSP0016DH-B FP (FP-16DAV) Note: Please consult the sales office for the above package availability. HD74HC423AFPEL Taping Abbreviation (Quantity) EL (2,000 pcs/reel) SOP-16 pin (JEITA) Function Table Note: Clear Inputs A B Q Q L X X H X X L L H H X H X L L L H H 1. H; High level, L; Low level, X; Irrelevant Rev.2.00 Mar 30, 2006 page 1 of 8 Outputs H HD74HC423A Pin Arrangement 1A 1 16 VCC 1B 2 15 1Rext/Cext 1CLR 3 14 1Cext 1Q 4 13 1Q 2Q 5 12 2Q 2Cext 6 11 2CLR 2Rext/Cect 7 10 2B GND 8 9 2A CLR CLR (Top view) Logic Diagram (1/2) Rext Cext VCC VH VL OUT A Q CK CK CLR B CLR Q To Another Transceiver Absolute Maximum Ratings Item Symbol Ratings Unit Supply voltage range Input / Output voltage VCC VIN, VOUT –0.5 to 7.0 –0.5 to VCC +0.5 V V IIK, IOK IOUT ±20 ±25 mA mA ICC or IGND PT ±50 500 mA mW Input / Output diode current Output current VCC, GND current Power dissipation Storage temperature Tstg –65 to +150 °C 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 Mar 30, 2006 page 2 of 8 HD74HC423A Recommended Operating Conditions Item Symbol Ratings Unit Supply voltage Input / Output voltage VCC VIN, VOUT 2 to 6 0 to VCC V V Operating temperature Ta –40 to 85 0 to 1000 °C tr , tf 0 to 500 0 to 400 ns Input rise / fall time Note: *1 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 Input current Quiescent Standby Supply state current Active state Iin ICC 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 — — Unit Test Conditions V V V Vin = VIH or VIL IOH = –20 µA 4.5 4.18 — — 4.13 — IOH = –4 mA 6.0 5.68 — — 5.63 — IOH = –5.2 mA 2.0 — 0.0 0.1 — 0.1 4.5 6.0 — — 0.0 0.0 0.1 0.1 — — 0.1 0.1 4.5 6.0 — — — — 0.26 0.26 — — 0.33 0.33 6.0 6.0 — — — — ±0.1 130 — — ±1.0 220 — — 130 — 220 Rev.2.00 Mar 30, 2006 page 3 of 8 V Vin = VIH or VIL IOL = 20 µA IOH = 4 mA IOH = 5.2 mA µA µA Vin = VCC or GND Vin = VCC or IOUT = 0 µA GND Rext / Cext = 0.5 VCC HD74HC423A Switching Characteristics (CL = 50 pF, Input tr = tf = 6 ns) Ta = 25°C Item Propagation delay time Symbol VCC (V) tPLH tPHL tPHL tPLH Pulse width Removal time Minimum output pulse width tw trem tWQ (min) Ta = –40 to +85°C Unit Test Conditions 2.0 Min — Typ — Max 210 Min — Max 265 4.5 6.0 — — 20 — 42 36 — — 53 45 2.0 4.5 — — — 21 240 48 — — 300 60 6.0 2.0 — — — — 41 170 — — 51 215 4.5 6.0 — — 17 — 34 29 — — 43 37 2.0 4.5 — — — 15 180 36 — — 225 45 6.0 2.0 — 150 — — 31 — — 190 38 — 4.5 6.0 30 26 6 — — — 38 33 — — 2.0 4.5 0 0 — –3 — — 5 5 — — 6.0 2.0 0 — — 1.5 — — 5 — — — 4.5 6.0 — — 450 380 — — — — — — ns Rext = 2 kΩ ms ns Cext = 0.1 µF, Rext = 10 kΩ pF Pins 7 & 15 Other pins Output pulse width Output rise/fall time tWQ tTLH tTHL 4.5 2.0 — — 1.0 — — 75 — — — 95 4.5 6.0 — — 5 — 15 13 — — 19 16 Input capacitance Cin — — — — — 5 20 10 — — 20 10 ns A or B to Q ns A or B to Q ns Clear to Q ns Clear to Q ns A, B, Clear ns Clear µs Cext = 28 pF Rext = 6 kΩ Caution in use: In order to prevent any malfunctions due to noise, connect a highfrequency performance capacitor between VCC and GND, and keep the wiring between the external components and Cext, Rext/Cext pins as short as possible. Test Circuit Measurement point CL* Note: CL includes the probe and fig capacitance. Rev.2.00 Mar 30, 2006 page 4 of 8 HD74HC423A Application Data Vcc = 2.5 V Output Pulse Width twQ (µs) 10000.0 1000.0 100.0 10.0 Rext 1 kΩ 10 kΩ 100 kΩ 1 MΩ 1.0 0.1 102 103 104 105 106 107 Timing Capacitance Cext (pF) Vcc = 3.3 V Output Pulse Width twQ (µs) 10000.0 1000.0 100.0 10.0 Rext 1 kΩ 10 kΩ 100 kΩ 1 MΩ 1.0 0.1 10 2 10 3 10 4 10 5 10 6 Timing Capacitance Cext (pF) Rev.2.00 Mar 30, 2006 page 5 of 8 10 7 HD74HC423A Vcc = 5.0 V Output Pulse Width twQ (µs) 10000.0 1000.0 100.0 10.0 Rext 1 kΩ 10 kΩ 100 kΩ 1 MΩ 1.0 0.1 102 103 104 105 106 Timing Capacitance Cext (pF) Rev.2.00 Mar 30, 2006 page 6 of 8 107 HD74HC423A Rext = 2 kΩ Coefficient of Output Pulse Width K 1.8 Cext 1000 pF 10000 pF 100000 pF 1000000 pF 1.7 1.6 1.5 1.4 1.3 1.2 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 Supply Voltage Vcc (V) Rext = 10 kΩ Coefficient of Output Pulse Width K 1.6 Cext 1000 pF 10000 pF 100000 pF 1000000 pF 1.5 1.4 1.3 1.2 1.1 1.0 2.0 2.5 3.0 3.5 4.0 4.5 5.0 Supply Voltage Vcc (V) Rev.2.00 Mar 30, 2006 page 7 of 8 5.5 6.0 HD74HC423A Package Dimensions JEITA Package Code P-DIP16-6.3x19.2-2.54 RENESAS Code PRDP0016AE-B Previous Code DP-16FV MASS[Typ.] 1.05g D 9 E 16 1 8 b3 0.89 A1 A Z L Reference Symbol θ bp e e1 D E A A1 bp b3 c θ e Z L c e1 ( Ni/Pd/Au plating ) JEITA Package Code P-SOP16-5.5x10.06-1.27 RENESAS Code PRSP0016DH-B *1 Previous Code FP-16DAV Dimension in Millimeters Min Nom Max 7.62 19.2 20.32 6.3 7.4 5.06 0.51 0.40 0.48 0.56 1.30 0.19 0.25 0.31 0° 15° 2.29 2.54 2.79 1.12 2.54 MASS[Typ.] 0.24g D F 16 NOTE) 1. DIMENSIONS"*1 (Nom)"AND"*2" DO NOT INCLUDE MOLD FLASH. 2. DIMENSION"*3"DOES NOT INCLUDE TRIM OFFSET. 9 c HE *2 E bp Index mark Terminal cross section ( Ni/Pd/Au plating ) 1 Z 8 e *3 bp x Reference Symbol M A L1 A1 θ y L Detail F Rev.2.00 Mar 30, 2006 page 8 of 8 D E A2 A1 A bp b1 c c1 θ HE e x y Z L L1 Dimension in Millimeters Min Nom Max 10.06 10.5 5.50 0.00 0.10 0.20 2.20 0.34 0.40 0.46 0.15 0.20 0.25 0° 8° 7.50 7.80 8.00 1.27 0.12 0.15 0.80 0.50 0.70 0.90 1.15 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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