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Partno	Mfg	Dc	Qty	Available	Descript
L6221A	ST ?	N/a	15442	avai	QUAD DARLINGTON SWITCH
L6221AD	STM	N/a	126	avai	QUAD DARLINGTON SWITCH
L6221AD		N/a	300	avai	QUAD DARLINGTON SWITCH
L6221AD	ST	N/a	1950	avai	QUAD DARLINGTON SWITCH
L6221N	ST	N/a	20	avai	QUAD DARLINGTON SWITCH

L6221A ,QUAD DARLINGTON SWITCHblock diagram)Name FunctionIN 1 Input to Driver 1IN 2 Input to Driver 2OUT 1 Output of Driver 1OUT ..
L6221AD ,QUAD DARLINGTON SWITCHL6221A L6221ADL6221N®QUAD DARLINGTON SWITCH. FOUR NON INVERTING INPUTS WITH ENABLE.OUTPUT VOLTAGE U ..
L6221AD ,QUAD DARLINGTON SWITCHBLOCK DIAGRAM1/15July 1998L6221A - L6221AD - L6221NTHERMAL DATASymbol Parameter SO20 Powerdip Multi ..
L6221AD ,QUAD DARLINGTON SWITCHABSOLUTE MAXIMUM RATINGSSymbol Parameter Value UnitV Output Voltage 50 VoV Logic Supply Voltage 7 V ..
L6221AD013TR ,QUAD DARLINGTON SWITCHBLOCK DIAGRAM1/15June 2003L6221AS - L6221AD - L6221NTHERMAL DATASymbol Parameter SO20 Powerdip Mult ..
L6221AS ,QUAD DARLINGTON SWITCHblock diagram)Name FunctionIN 1 Input to Driver 1IN 2 Input to Driver 2OUT 1 Output of Driver 1OUT ..
LC321664AJ ,1 MEG (65536 words X 16 bits) DRAM Fast Page Mode, Byte WriteFeatures• 65536-word · 16-bit configurationSANYO:SOJ40• Single 5 V ±10% power supply• All input and ..
LC321664AJ-80 ,1MEG (65536words x 16bit) DRAM fast page mode, byte writeAbsolute Maximum RatingsParameter Symbol Ratings Unit NoteMaximum supply voltage V max –1.0 to +7.0 ..
LC321664AM-80 ,1MEG (65536words x 16bit) DRAM fast page mode, byte writeFeatures• 65536-word · 16-bit configurationSANYO:SOJ40• Single 5 V ±10% power supply• All input and ..
LC321664BJ ,1 MEG (65536 words X 16 bits) DRAM Fast Page Mode, Byte WriteFeatures. 65536 words M 16 bits configuration,. Single 5 V , 10% power supply.. All input and outpu ..
LC321664BJ-70 ,1 MEG (65536 words x 16 bit) DRAM, fast page mode, byte writeFeatures. 65536 words M 16 bits configuration,. Single 5 V , 10% power supply.. All input and outpu ..
LC321664BJ-80 ,1 MEG (65536 words x 16 bit) DRAM fast page mode, byte writeOrdering number : EN5082AOve rviewThe LC321664BJ, BM, BT is a CMOS dynamic RAMoperating on a single ..

L6221A-L6221AD-L6221N
QUAD DARLINGTON SWITCH
L622 1A L6221AD 6221N
July 1998
QUAD DARLINGTON SWITCH FOUR NON INVERTING INPUTS WITH
ENABLE. OUTPUT VOLTAGE UP TO 50 V. OUTPUT CURRENT UP TO 1.8 A. VERY LOW SATURATION VOLTAGE. TTL COMPATIBLE INPUTS. INTEGRAL FAST RECIRCULATION DIODES
DESCRIPTION
The L6221 monolithic quad darlington switch is de-
signed for high current, high voltage switching appli-
cations. Each of the four switches is controlled by a
logic input and all four are controlled by a common
enable input. All inputs are TTL-compatible for direct
connection to logic circuits.
Each switch consists of an open-collector darlington
transistor plus a fast diode for switching applications
with inductive device loads. The emitters of the four
switches are commoned. Any number of inputs and
outputs of the same device may be paralleled.
BLOCK DIAGRAM
1/15
PIN CONNECTIONS (top views)
THERMAL DATA
L6221A - L6221AD - L6221N
2/15
PIN FUNCTIONS (see block diagram)
For each input : H = High level
L = Low level
TRUTH TABLE
ABSOLUTE MAXIMUM RATINGS
L6221A - L6221AD - L6221N
3/15
ELECTRICAL CHARACTERISTICS
Refer to the test circuit to Fig. 1 to Fig. 9 (VS = 5V, Tamb = 25o C unless otherwise specified)
L6221A - L6221AD - L6221N
4/15
TEST CIRCUITS
(X) = Referred to Multiwatt package
X = Referred to Powerdip package
Figure 1 : Logic supply current.
Set V IN = 4.5V, V EN = 0.8V, or V IN = 0.8V, V EN = 4.5V, for I S (all outputs off)
Set V IN = 2V, V EN = 2V, for I S (all outputs on)
Figure 2 : Output Sustaining Voltage. Figure 3 : Output Leakage Current.
L6221A - L6221AD - L6221N
5/15

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