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SG55327/SG75327
QUAD SOURCE MEMORY DRIVER
DESCRIPTION
The SG55327/SG75327 is a monolithic quad source driver designed to meet the high current and fast switching speed requirements of magnetic memory systems. Each driver is independently controlled and capable of sinking up to 600mA. Paired with the SG55326 Quad Sink Driver, the SG55327/ SG75327 provides the current drive necessary for many sink/ source applications. The SG55327/SG75327 has also been used in many non-memory applications: for example, as the driver for a clock circuit, relay, lamp, or small motor, or any application where a 600mA source driver is needed. The SG55327 is characterized for use over the full military operating ambient temperature range of -55C to 125C while the SG75327 is characterized from 0C to 70C. These devices are available in 16-pin ceramic DIP, 16-pin plastic DIP and 16-pin flatpack.
FEATURES
* * * * * * * * * Quad source memory drivers 600mA output current capability VCC2 drive voltage variable to 24V Output capable of swinging between VCC2 and ground High-repetition-rate driver compatible with high- speed magnetic memories Inputs compatible with TTL decoders Minimum time skew between strobe and output- current rise Pulse-transformer coupling eliminated Drive-line lengths reduced
HIGH RELIABILITY FEATURES - SG55327
Available to MIL-STD-883 Scheduled for MIL-M-38510 QPL listing LMI level "S" processing available
BLOCK DIAGRAM
4/90 Rev 1.2 7/96
Copyright (c) 1994
1
11861 Western Avenue Garden Grove, CA 92841 (714) 898-8121 FAX: (714) 893-2570
LINFINITY
Microelectronics Inc.
SG55327/SG75327
ABSOLUTE MAXIMUM RATINGS (Note1)
Supply Voltage (VCC1) (Note 2) ............................................ 7.0V Supply Voltage (VCC2) ......................................................... 25V Input Voltage (any address or strobe input) ...................... 5.5V Output Collector Voltage .................................................... 25V
Note 1. Values beyond which damage may occur. Note 2. Voltage values are with respect to network ground terminal.
Output Collector Current ............................................. 750mA Operating Junction Temperature (TC) Hermetic (J, F-Packages) ......................................... 150C Plastic (N-Package) .................................................. 150C Storage Temperature Range .......................... -65C to 150C Lead Temperature (Soldering, 10 seconds) .................. 300C
THERMAL DATA
J Package: Thermal Resistance-Junction to Case, JC .................. 30C/W Thermal Resistance-Junction to Ambient, JA ............... 80C/W N Package: Thermal Resistance-Junction to Case, JC .................. 40C/W Thermal Resistance-Junction to Ambient, JA .............. 65C/W F Package: Thermal Resistance-Junction to Case, JC ................... 70C/W Thermal Resistance-Junction to Ambient, JA ............ 115C/W
Note A. Junction Temperature Calculation: TJ = TA + (PD x JA). Note B. The above numbers for JC are maximums for the limiting thermal resistance of the package in a standard mounting configuration. The JA numbers are meant to be guidelines for the thermal performance of the device/pc-board system. All of the above assume no ambient airflow.
RECOMMENDED OPERATING CONDITIONS (Note 3)
Supply Voltage (VCC1) ............................................ 4.5V to 5.5V Supply Voltage (VCC2) ............................................. 4.5V to 24V Output Collector Voltage .................................................... 24V
Note 3. Range over which the device is functional.
Output Collector Current ................................................. 600mA Operating Ambient Temperature Range: SG55327 ....................................................... -55C to 125C SG75327 ............................................................. 0C to 70C
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, these specifications apply over the operating ambient temperatures for SG55327 with -55C TA 125C, and SG75327 with 0C TA 70C. Low duty cycle pulse testing techniques are used which maintains junction and case temperatures equal to the ambient temperature.)
Parameter Static Section High-Level Input Voltage (VIH ) Low-Level Input Voltage (VIL) Input Clamp Voltage (VIK) Collectors Terminal Off-State Current (IOFF) Saturation Voltage (VSAT) (Note 4) Input Current (IIN ) Address Strobe High-Level Input Current (IIH ) Address Strobe Low-Level Input Current (IIL) Address Strobe
Test Conditions
SG55327 SG75327 Min. Typ. Max. Min. Typ. Max. 2 2 -1.0 0.8 -1.7 500 150 0.90 0.70 1 4 -1.0 0.8 -1.7 200 200 0.90 0.75 1 4 40 160 -1.0 -4.0 -1.6 -6.4
Units V V V A A V V mA mA A A mA mA
VCC1 = 4.5V, IIN = -10mA, TA = 25C VCC1 = 4.5V, VCOL = 24V VCC1 = 4.5V, VCOL = 24V, TA = 25C VCC1 = 4.5V, VOUT = 0V, ISOURCE = -600mA TA = 25C VIN = 5.5V VIN = 2.4V
0.43
0.43
40 160 VIN = 0.4V -1.0 -4.0 -1.6 -6.4
4/90 Rev 1.2 7/96
Copyright (c) 1994
2
11861 Western Avenue Garden Grove, CA 92841 (714) 898-8121 FAX: (714) 893-2570
LINFINITY
Microelectronics Inc.
SG55327/SG75327
ELECTRICAL CHARACTERIZATICS
Parameter Static Section (continued) Supply Current (ICC(OFF)) From VCC1 From VCC2 Supply Current (ICC(ON)) From VCC1 From VCC2 Parameter Dynamic Section (Note 5) Propagation Delay, Low to High (TPLH) Propagation Delay, High to Low (TPHL) Transition Time, Low to High (TTLH) Transition Time, High to Low (TTHL) High-Level Output Voltage (VOH)
(Note 6) (continued)
Test Conditions All outputs off, all inputs at 5V, TA = 25C
SG75327 SG55327 Min. Typ. Max. Min. Typ. Max. 10 20
Units
7.0 13 One output on, ISOURCE = -50mA, VCOL = 6V, TA = 25C 8.0 36 To (output) Coll. W, Z or X, Y Coll. W, Z or X, Y W, X, Y, or Z W, X, Y, or Z Coll. W, Z or X, Y Test Conditions VS = VCC2 = 15V, RL = 24 VS = VCC2 = 15V, RL = 24 VCOL = VCC2 = 20V, RL = 100 VCOL = VCC2 = 20V, RL = 100 VS = VCC2 = 24V, RL = 47, ISINK 500mA
10 20
7.0 13
mA mA
12 55
8.0 36
12 55
mA mA Units ns ns ns ns mV
SG55327/75327 Min. Typ. Max. 35 30 30 10 V S-25 55 55
Note 4. Under these conditions, not more than one output is to be on any one time. Note 5. Unless otherwise specified, V CC1 = 5V, C L = 25pF, and TA = 25C. Note 6. Guaranteed but not tested.
CONNECTION DIAGRAMS & ORDERING INFORMATION
Package
16-PIN CERAMIC DIP J - PACKAGE
(See Notes Below)
Part No. SG55327J/883B SG55327J SG75327J SG75327N
Ambient Temperature Range -55C to 125C -55C to 125C 0C to 70C 0C to 70C
Connection Diagram
VCC2 W A NODE R RINT B X GND (Note 2)
1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9
16-PIN PLASTIC DIP N - PACKAGE
COLLECTORS W, Z Z D S VCC1 C Y COLLECTORS X, Y
16-PIN CERAMIC FLAT PACK F - PACKAGE
SG55327F/883B SG55327F
-55C to 125C -55C to 125C
VCC2 W A NODE R RINT B X GND
1 2 3 4 5 6 7 8
16 15 14 13 12 11 10 9
COLL. W, Z Z D S VCC1 C Y COLL. X, Y
Note 1. All packages are viewed from the top. Note 2. Pin 8 is in electrical contact with the metal base. 4/90 Rev 1.2 7/96
Copyright (c) 1994
3
11861 Western Avenue Garden Grove, CA 92841 (714) 898-8121 FAX: (714) 893-2570
LINFINITY
Microelectronics Inc.

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