74ABT899A NXP Semiconductors, 74ABT899A Datasheet - Page 8

• Manufacturer Part Number: 74ABT899A
• Description: Bus Transceivers 9-BIT LATCH XCVR W/PARITY 3-S
• Manufacturer: NXP Semiconductors

Specifications of 74ABT899A

• Logic Type: BiCMOS
• Logic Family: ABT
• Number Of Channels Per Chip: 8
• Input Level: TTL
• Output Level: TTL
• Output Type: 3-State
• High Level Output Current: - 32 mA
• Low Level Output Current: 64 mA
• Propagation Delay Time: 4.5 ns
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Maximum Operating Temperature: + 85 C
• Package / Case: PLCC-28
• Function: Latched Transceiver with Parity Checker
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Number Of Circuits: 1
• Polarity: Non-Inverting
• Lead Free Status / Rohs Status: Details
• Other names: 74ABT899A,602

Philips Semiconductors
AC WAVEFORMS
V
1998 Jan 16
M
9-bit dual latch transceiver with 8-bit parity
generator/checker (3-State)
= 1.5V, V
IN
= GND to 3.0V
ODD/EVEN
ODD/EVEN
(Bn, BPAR)
(An, APAR)
An, APAR
Bn, BPAR
Waveform 1. Propagation Delay, An to Bn, Bn to An, APAR to BPAR, BPAR to APAR
(ERRB)
(APAR)
(BPAR)
NOTE: Only even parity mode is shown, odd parity mode would be with ODD/EVEN = 1
ERRA
BPAR
NOTE: Only even parity mode is shown, odd parity mode would be with ODD/EVEN = 1
APAR
(LEB)
(LEB)
SEL
SEL
LEA
(Bn)
LEA
(Bn)
An
An
1
0
0
1
0
0
1
ODD PARITY
ODD PARITY
Waveform 3. Propagation Delay, An to ERRA or Bn to ERRB
Waveform 2. Propagation Delay, An to BPAR or Bn to APAR
V
M
t
PLH
V
V
M
M
V
M
V
M
t
t
PHL
PLH
t
PHL
V
M
EVEN PARITY
EVEN PARITY
8
V
V
M
M
V
V
M
M
t
t
PLH
PHL
ODD PARITY
ODD PARITY
V
V
M
M
SA00293
INPUT
OUTPUT
INPUT
OUTPUT
INPUT
OUTPUT
SA00295
SA00294
74ABT899
Product specification