during storage or handling to prevent electrostatic damage to the MOS gates.

Supply Voltage (VCC) 7V

Driver Input Voltage (DI) −1.5V to VCC + 1.5V

Receiver Output Voltage (RO) −0.5V to VCC +0.5V

(TSTG)−65°C to +150°C

(1) Absolute Maximum Ratings are those values beyond which the safety of the device cannot be ensured. They are not meant to imply that

the devices should be operated at these limits. The tables of Electrical Characteristics specify conditions for device operation.

(2) If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/ Distributors for availability and

Supply Voltage (VCC) 4.50 5.50 V

VIH Input Voltage HIGH 2.0 VCC V

VIL Input Voltage LOW DI GND 0.8 V

IIH, IIL Input Current V IN = VCC, GND, 2.0V, 0.8V 0.05 ±10 μA

VCL Input Clamp Voltage I IN =−18 mA −1.5 V

VOD1 Unloaded Output Voltage No Load DO, 4.2 6.0 V

VOD2 Differential Output Voltage R L= 100Ω2.0 3.0 V

ΔVOD2 Change in Magnitude of V OD2 5.0 400 mV

VOC Common Mode Voltage R L= 100Ω2.0 3.0 V

VTL, VTH Differential Thresholds V IN = +7V, 0V, −7V RI, −200 ±25 +200 mV

VHYS Hysteresis V CM = 0V 20 50 mV

RIN Input Impedance V IN =−7V, +7V, Other = 0V 5.0 9.5 kΩ

IIN Input Current Other Input = 0V, VIN = +10V +1.0 +1.5 mA

VOH Output HIGH Voltage IOH =−6 mA VDIFF = +1V RO 3.8 4.9 V

(2) All typicals are given for VCC = 5.0V and T A= 25°C.

tPLHD Propagation Delay LOW to HIGH RL= 100Ω(Figure 2 Figure 3) 2 4.9 10 ns

tPHLD Propagation Delay HIGH to LOW CL= 50 pF 2 4.5 10 ns

tSKD Skew, |tPLHD–t PHLD| 0.4 2.0 ns

tTLH Transition Time LOW to HIGH (Figure 2 Figure 4) 2.2 9 ns

tTHL Transition Time HIGH to LOW 2.1 9 ns

tPLH Propagation Delay LOW to HIGH CL= 50 pF (Figure 5 Figure 6) 6 18 30 ns

tPHL Propagation Delay HIGH to LOW VDIFF = 2.5V 6 17.5 30 ns

tfFall Time 2.1 9 ns

(1) All typicals are given for VCC = 5.0V and T A= 25°C.

Addendum-Page 1

DS89C21TM/NOPB ACTIVE SOIC D 8 95 Green (RoHS

LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.

NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design.

PREVIEW: Device has been announced but is not in production. Samples may or may not be available.

OBSOLETE: TI has discontinued the production of the device.

do not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, "RoHS" products are suitable for use in specified lead-free processes. TI may

reference these types of products as "Pb-Free".

RoHS Exempt: TI defines "RoHS Exempt" to mean products that contain lead but are compliant with EU RoHS pursuant to a specific EU RoHS exemption.

Green: TI defines "Green" to mean the content of Chlorine (Cl) and Bromine (Br) based flame retardants meet JS709B low halogen requirements of <=1000ppm threshold. Antimony trioxide based

of the previous line and the two combined represent the entire Device Marking for that device.

value exceeds the maximum column width.

Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. TI bases its knowledge and belief on information

provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and

continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals.

TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release.

Addendum-Page 2