74ABT841 Datasheet PDF - NXP Semiconductors
| Part Number | 74ABT841 | |
| Description | 10-bit bus interface latch 3-State | |
| Manufacturers | NXP Semiconductors | |
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Philips Semiconductors Advanced BiCMOS Products
Octal inverting transceiver with parity
generator/checker (3–State)
Objective specification
74ABT834
FEATURES
• Low static and dynamic power dissipation
with high speed and high output drive
• Open–collector ERROR output
• Output capability: +64mA/–32mA
• Latch–up protection exceeds 500mA per
Jedec JC40.2 Std 17
• ESD protection exceeds 2000 V per MIL
STD 883C Method 3015.6 and 200 V per
Machine Model
• Power up/down 3–State
DESCRIPTION
The 74ABT834 high–performance BiCMOS
device combines low static and dynamic
QUICK REFERENCE DATA
SYMBOL
PARAMETER
tPLH
tPHL
tPLH
tPHL
CIN
COUT
ICCZ
Propagation delay
An to Bn or Bn to An
Propagation delay
An to PARITY
Input capacitance
Output capacitance
Total supply current
power dissipation with high speed and high
output drive.
The 74ABT834 is an octal inverting
transceiver with a parity generator/checker
and is intended for bus–oriented applications.
When Output Enable A (OEA) is High, it will
place the A outputs in a high impedance
state. Output Enable B (OEB) controls the B
outputs in the same way.
The parity generator creates an odd parity
output (PARITY) when OEB is Low. When
OEA is Low, the parity of the B port, including
the PARITY input, is checked for odd parity.
When an error is detected, the error data is
sent to the input of a storage register. If a
Low–to–High transition happens at the clock
input (CP), the error data is stored in the
register and the Open–collector error flag
(ERROR) will go Low. The error flag register
is cleared with a Low pulse on the CLEAR
input.
If both OEA and OEB are Low, data will flow
from the A bus to the B bus and the part is
forced into an error condition which creates
an inverted PARITY output. This error
condition can be used by the designer for
system diagnostics.
CONDITIONS
Tamb = 25°C; GND = 0V
CL = 50pF; VCC = 5V
CL = 50pF; VCC = 5V
VI = 0V or VCC
VI = 0V or VCC
Outputs disabled; VCC =5.5V
TYPICAL
3.4
7.4
4
7
50
UNIT
ns
ns
pF
pF
µA
ORDERING INFORMATION
PACKAGES
24–pin plastic DIP (300mil)
24–pin plastic SOL (300mil)
PIN CONFIGURATION
CONDITIONS
Tamb = 25°C; GND = 0V
–40°C to +85°C
–40°C to +85°C
LOGIC SYMBOL
ORDER CODE
74ABT834N
74ABT834D
OEA 1
A0 2
A1 3
A2 4
A3 5
A4 6
A5 7
A6 8
A7 9
ERROR 10
CLEAR 11
GND 12
24 VCC
23 B0
22 B1
21 B2
20 B3
19 B4
18 B5
17 B6
16 B7
15 PARITY
14 OEB
13 CP
TOP VIEW
June 9, 1992
23456789
A0 A1 A2 A3 A4 A5 A6 A7
14 OEB
1 OEA
PARITY
15
11 CLEAR
ERROR
10
13 CP
B0 B1 B2 B3 B4 B5 B6 B7
23 22 21 20 19 18 17 16
1
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| |
 
Philips Semiconductors Advanced BiCMOS Products
Octal inverting transceiver with parity
generator/checker (3–State)
Objective specification
74ABT834
AC CHARACTERISTICS
GND = 0V; tR = tF = 2.5ns; CL = 50pF, RL = 500Ω
SYMBOL
PARAMETER
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
Propagation delay
An to Bn or Bn to An
Propagation delay
An to PARITY
Propagation delay
OEA to PARITY
Propagation delay
CLEAR to ERROR
Propagation delay
CP to ERROR
Output enable time
OEA to An or OEB to Bn, PARITY
Output disable time
OEA to An or OEB to Bn, PARITY
AC SETUP REQUIREMENTS
GND = 0V; tR = tF = 2.5ns; CL = 50pF, RL = 500Ω
SYMBOL
PARAMETER
ts(H)
ts(L)
th(H)
th(L)
tw(H)
tw(L)
tw(L)
trec
Setup time, High or Low
Bn or PARITY to CP
Hold time, High or Low
Bn or PARITY to CP
Pulse width, High or Low
CP
Pulse width, Low
CLEAR
Recovery time
CLEAR to CP
WAVEFORMS
2
1, 2
1, 2
5
1
3, 4
3, 4
LIMITS
Tamb = +25oC
VCC = +5.0V
Min Typ Max
Tamb = –40 to +85oC
VCC = +5.0V ±10%
Min Max
UNIT
ns
ns
ns
ns
ns
ns
ns
WAVEFORMS
6
6
6
5
5
LIMITS
Tamb = +25oC
VCC = +5.0V
Min Typ Max
Tamb = –40 to +85oC
VCC = +5.0V ±10%
Min Max
UNIT
ns
ns
ns
ns
ns
June 9, 1992
5
Preview 5 Page |
Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for 74ABT841 electronic component. |
| Information | Total 7 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ 74ABT841.PDF Datasheet ] | |
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| Part Number | Description | MFRS |
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| 74ABT841DB | The function is 10-bit bus interface latch 3-State. NXP Semiconductors | |
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