16-bit transceivers - NXP
Description
INTEGRATED CIRCUITS
MB2245 16-bit transceivers with direction pins (3-State)
Product specification Supersedes data of 1993 Aug 18 IC23 Data Handbook 1998 Jan 16
Philips Semiconductors
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Philips Semiconductors
Product specification
16-bit transceiver with direction pins (3-State)
MB2245
FEATURES
• 16-bit bidirectional bus interface • Power–up 3-State • Multiple VCC and GND pins minimize switching noise • 3-State buffers • Output capability: +64 mA/–32mA • Latch-up protection exceeds 500mA per Jedec Std 17 • ESD protection exceeds 2000 V per MIL STD 883 Method 3015
and 200V per Machine Model
DESCRIPTION
The MB2245 high-performance BiCMOS device combines low static and dynamic power dissipation with high speed and high output drive.
The MB2245 device is a 16-bit transceiver featuring non-inverting 3-State bus compatible outputs in both send and receive directions.
The control function implementation minimizes external timing requirements.
The device features two Output Enable (1OE, 2OE) inputs for easy cascading and two Direction (1DIR, 2DIR) inputs for direction control.
• Inputs are disabled during 3-State mode
QUICK REFERENCE DATA
SYMBOL tPLH tPHL CIN CI/O ICCZ PARAMETER Propagation delay nAx to nBx or nBx to nAx Input capacitance I/O pin capacitance Total supply current CONDITIONS Tamb = 25°C; GND = 0V CL = 50pF; VCC = 5V VI = 0V or VCC VO = 0V or VCC; 3-State Outputs disabled; VCC = 5.
5V TYPICAL 3.
2 3.
1 4 7 65 UNIT ns pF pF µA
ORDERING INFORMATION
PACKAGES 52–pin plastic Quad Flat Pack TEMPERATURE RANGE –40°C to +85°C OUTSIDE NORTH AMERICA MB2245 BB NORTH AMERICA MB2245 BB DWG NUMBER SOT379-1
PIN CONFIGURATION
1DIR GND GND GND 1OE 1B3 1B2 1B1 1B0 1A0 1A1 1A2 1A3
PIN DESCRIPTION
PIN NUMBER 47, 19
39 V CC 38 1A4 37 1A5 36 GND 35 1A6
SYMBOL 1DIR, 2DIR
NAME AND FUNCTION Direction control inputs (Active-High)
52 51 VCC 1B4 1 2 3 4 5 6 7 8 9
50 49 48 47
46 45 44 43 42
41 40
GND
È
1B6 1B7 2B0 2B1
1B5
52–pin ...
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