錚?/div>
Family
UBT錚?Transceiver Combines D-Type
Latches and D-Type Flip-Flops for
Operation in Transparent, Latched, or
Clocked Modes
OEC錚?Circuitry Improves Signal Integrity
and Reduces Electromagnetic Interference
(EMI)
Compliant With VME64, 2eVME, and 2eSST
Protocols
Bus Transceiver Split LVTTL Port Provides
Feedback Path for Control and Diagnostics
Monitoring
I/O Interfaces Are 5-V Tolerant
B-Port Outputs (鈭?8 mA/64 mA)
Y and A-Port Outputs (鈭?2 mA/12 mA)
I
off
, Power-Up 3-State, and BIAS V
CC
Support Live Insertion
Bus Hold on 3A-Port Data Inputs
26-W Equivalent Series Resistor on
3A Ports and Y Outputs
Flow-Through Architecture Facilitates
Printed Circuit Board Layout
Distributed V
CC
and GND Pins Minimize
High-Speed Switching Noise
Latch-Up Performance Exceeds 100 mA Per
JESD 78, Class II
ESD Protection Exceeds JESD 22
鈭?2000-V Human-Body Model (A114-A)
鈭?200-V Machine Model (A115-A)
鈭?1000-V Charged-Device Model (C101)
DGG OR DGV PACKAGE
(TOP VIEW)
1OEBY
1A
1Y
GND
2A
2Y
V
CC
2OEBY
3A1
GND
LE
3A2
3A3
OE
GND
3A4
CLKBA
V
CC
3A5
3A6
GND
3A7
3A8
DIR
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
1OEAB
V
CC
1B
GND
BIAS V
CC
2B
V
CC
2OEAB
3B1
GND
V
CC
3B2
3B3
V
CC
GND
3B4
CLKAB
V
CC
3B5
3B6
GND
3B7
3B8
V
CC
description/ordering information
ORDERING INFORMATION
TA
PACKAGE鈥?/div>
TSSOP 鈭?DGG
鈭?0擄C to 85 C
鈭?0 C 85擄C
TVSOP 鈭?DGV
VFBGA 鈭?GQL
Tape and reel
Tape and reel
Tape and reel
ORDERABLE
PART NUMBER
SN74VMEH22501ADGGR
SN74VMEH22501ADGVR
SN74VMEH22501AGQLR
TOP-SIDE
MARKING
VMEH22501A
VK501A
VK501A
鈥?Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines
are available at www.ti.com/sc/package.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Motorola is a trademark of Motorola, Inc.
OEC, UBT, and Widebus are trademarks of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright
錚?/div>
2004, Texas Instruments Incorporated
POST OFFICE BOX 655303
鈥?/div>
DALLAS, TEXAS 75265
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