74F8965 Datasheet, PDF (3/11 Pages) NXP Semiconductors – 9-Bit address/data Futurebus transceiver, ADT

Philips Semiconductors FAST Products
9-Bit address/data Futurebus transceiver, ADT
Product specification
74F8965/74F8966
LOGIC SYMBOL
74F8965
4 6 8 10 12 13 15 17 19
A0 A1 A2 A3 A4 A5 A6 A7 A8
1
OEB0
44
OEB1
23
LS
22
LE
2
OEA _{B0 B1 B2 B3 B4 B5 B6 B7 B8}
41 39 37 35 33 31 29 27 25
Logic V_CC = Pin 3, 21
Logic GND = Pin 5, 7, 9, 11, 14, 16, 18, 20
74F8966
4 6 8 10 12 13 15 17 19
A0 A1 A2 A3 A4 A5 A6 A7 A8
1
OEB0
44
OEB1
23
IAREQ
22
LE
2
OEA
20
IAMC
B0 B1 B2 B3 B4 B5 B6 B7 B8
41 39 37 35 33 31 29 27 25
Logic V_CC = Pin 3, 21
Logic GND = Pin 5, 7, 9, 11, 14, 16, 18
PIN DESCRIPTION
SYMBOL
PINS
A0 – A8
4, 6, 8, 10, 12, 13, 15, 17, 19
B0 – B8
41, 39, 37, 35, 33, 31, 29, 27, 25
OEB0
1
OEB1
44
OEA
2
LE
22
LS
23
IAREQ
23
IAMC
20
Bus GND
26, 28, 30, 32, 34, 36, 38, 40, 42
Logic GND 5, 7, 9, 11, 14, 16, 18, 20 (74F8965)
Bus V_CC
Logic V_CC
24, 43
3, 21
TYPE
NAME AND FUNCTION
I/O Data inputs/TTL 3–state outputs
I/O Data inputs / open collector outputs, high current drives.
Input Output enable input. Enables the B outputs when high.
Input Output enable input. Enables the B outputs when low.
Input Output enable input. Enables the A outputs when high.
Input Latch enable input. Enables latch when low.
Input Latch select input. Selects latch when low (74F8965).
Input Idle arbitration request input (74F8966).
Output Idle arbitration/multiple competitors output (open collector output) (74F8966).
Ground Bus ground (0V)
Ground Logic ground (0V)
Power Positive supply voltages
Power Positive supply voltages
December 19, 1990
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