Philips Semiconductors
Product specification
Octal transceiver/register, non-inverting (3-State)
74ABT652A
FEATURES
• Independent registers for A and B buses
DESCRIPTION
The 74ABT652A high-performance BiCMOS device combines low
static and dynamic power dissipation with high speed and high
output drive.
• Multiplexed real-time and stored data
• 3-State outputs
The 74ABT652A transceiver/register consists of bus transceiver
circuits with 3-State outputs, D-type flip-flops, and control circuitry
arranged for multiplexed transmission of data directly from the input
bus or the internal registers. Data on the A or B bus will be clocked
into the registers as the appropriate clock pin goes High. Output
Enable (OEAB, OEBA) and Select (SAB, SBA) pins are provided for
bus management.
• Live insertion/extraction permitted
• Power-up 3-State
• Power-up reset
• Output capability: +64mA/–32mA
• Latch-up protection exceeds 500mA per Jedec JC40.2 Std 17
• ESD protection exceeds 2000 V per MIL STD 883 Method 3015
and 200 V per Machine Model
QUICK REFERENCE DATA
CONDITIONS
= 25°C; GND = 0V
SYMBOL
PARAMETER
TYPICAL
UNIT
T
amb
t
t
Propagation delay
3.7
4.3
PLH
PHL
C = 50pF; V = 5V
ns
pF
pF
µA
L
CC
CPBA to An or CPAB to Bn
Input capacitance
C
V = 0V or V
I CC
4
7
IN
Outputs disabled;
= 0V or V
C
I/O capacitance
I/O
V
O
CC
I
Total supply current
Outputs disabled; V =5.5V
110
CCZ
CC
ORDERING INFORMATION
PACKAGES
TEMPERATURE RANGE
ORDER CODE
74ABT652AN
74ABT652AD
74ABT652ADB
DRAWING NUMBER
SOT222-1
24-pin plastic DIP
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
24-pin plastic SOL
SOT137-1
24-pin plastic SSOP Type II
SOT340-1
24-pin plastic TSSOP Type I
–40°C to +85°C
74ABT652APW
SOT355-1
PIN CONFIGURATION
PIN DESCRIPTION
PIN NUMBER SYMBOL
FUNCTION
CPAB /
CPBA
CPAB
SAB
OEAB
A0
1
2
3
4
5
6
7
8
9
24
23
22
21
20
19
18
17
16
15
14
13
V
CC
1, 23
A to B clock input / B to A clock input
CPBA
SBA
OEBA
B0
SAB /
A to B select input / B to A select
input
2, 22
SBA
A to B Output Enable input /
B to A Output Enable input
(active–Low)
OEAB /
OEBA
3, 21
A1
A2
B1
4, 5, 6, 7,
8, 9, 10, 11
A0 – A7 Data inputs/outputs (A side)
B0 – B7 Data inputs/outputs (B side)
A3
B2
A4
B3
20, 19, 18, 17,
16, 15, 14, 13
A5
B4
12
24
GND
Ground (0V)
A6 10
A7 11
B5
V
CC
Positive supply voltage
B6
GND 12
B7
SA00094
1
1995 Apr 19
853-1614 15144