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National Semiconductor Electronic Components Datasheet

MH0026C Datasheet

5 MHz two phase MOS clock driver

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MH0026C pdf
Memory/Clock Drivers
MH0026/MH0026C 5 MHz two phase MOS clock driver
general description
The MH0026/MH0026C is a low cost monolithic
high speed two phase MaS clock driver and inter-
face circuit. Unique circuit design along with
advanced processing provide both very high speed
operation and the ability to drive large capacitive
loads. The device accepts standard TTL/DTL out-
puts and converts them to MaS logic levels. It may
be driven from standard 54/74 senes gates and
flip-flops or from drivers such as the DMSS30 or
DM7440. The MH0026 is intended for applications
in which the output pulse width is logically con-
trolled: i.e., the output pulse width is equal to the
Input pulse width.
features
• Fast rise and fall tlmes-20 ns with 1000 pF load
• High output swing-20V
• High output current drive-±1.5 amps
• TTL/DTL compatible inputs
• High rep rate-5 to 10 MHz depending on load
• Low power consumption in MaS "0" state-
2 mW
• Drives to O.4V of GND for RAM address drive
The MH0026 is intended to fulfill a wide variety of
MaS interface requirements. As a MaS clock driver
for long silicon gate shift registers, a single device
can drive over 10k bits at 5 MHz. S'x devices pro-
vide input address and precharge drive for a Sk by
16 bit MM1103 RAM memory system. Information
on the correct usage of the MH0026 in these as well
as other systems is included in the application sec-
tion starting on page 5. A thorough understanding
of its usage will insure optimum performance of the
device.
The device is available in 'S-Iead TO-5, one watt
copper lead frame S-pin mini-DIP, and one and a
half watt TO-S packages.
3:
:oo:t
N
0)
.......
3:
oo::t
N
0)
(')
connection diagrams
Metal Can Package
,.
Dual·1 n-Line Package
"'B'"INPUTA 2
V- 3
1 OUTPUT A
6 V'
,-
Note: Pm 4 connected to case
INPUTB 4
TOP VIEW
5 OUTPUT I
Ordor Number MHOO26H
orMH0026CH
Soo Packago 11
Order Numbor MH0026CN
Seo Package 20
schematic diagram
(1/2 of Coreu,t Shownl
EXTERNAL
C"
~ ~NPUOT- .....Wlf--;
Metal Can Package
INPUT A
Flat Package
to Nt
"
Ordor Number MH0026G
orMH0026CG
Soo Packago 6
Order Number MH0026F
or MHD026CF
See Package 3
DO
""--0 OUTPUT
05
3-31


National Semiconductor Electronic Components Datasheet

MH0026C Datasheet

5 MHz two phase MOS clock driver

No Preview Available !

MH0026C pdf
to)
U)
No
o
::E:
.~......
U)
No
o
::E:
~
.
absolute maximum ratings
v+ -V- Differential Voltage
Input Current
Input Voltage (V IN - V-I
Peak Output Current
Power Dissipation
Operating Temperature Range MH0026
MH0026C
Storage Temperature Range
Lead Temperature (Soldering, 10 sec)
22V
100mA
5.5V
1.5A
See curves
-55°C to +125°C
O°C tp 85°C
_65°C to +150°C
300°C
dc electrical characteristics (Notes 1 & 2)
PARAMETER
Logic "1" Input Voltage
Logic "1" Input Current
Logic "0" Input Voltage
Logic "0" Input Current
Logic "0" Output Voltage
Logic "0" Output Voltage
Logic" 1" Output Voltage
Logic "1" Output Voltage
"ON" Supply Current
"OFF" Supply Current
CONDITIONS
MIN
VOUT = V- + 1.0V
2.5
VIN - V- = 2.5V, VOUT = V- + 1.0V
VOUT = V+ - 1.0V
VIN - V- = OV, VOUT = V· - 1.0V
V+ = +5.0V, V- = -12.0V
VIN =-11.6
4.0
VIN - V- = O.4V
V+ - 1.0
V+ = +5.0V, V- = -12.0V
VIN = -9.5V
VIN - V- = 2.5V
V+ - V- = 20V, VIN - V- = 2.5V
V+ - V- = 20V, VIN - V- = O.OV
LIMITS
TYP
1.5
10
0.6
-0.005
4.3
V+ - 0.7
-11.5
V- + 0.5
30
10
MAX
15
0.4
-10
UNITS
V
rnA
V
/lA
V
V
-11.0
V- + 1.0
40
100
V
V
rnA
/lA
ac electrical characteristics (Notes 1 & 2. AC test circuit, T A = 25°C)
Turn-On Delay (tON)
Turn-Off Delay (tOFF)
Rise time (t,) - Note 3
Falltime (tf) - Note 3
V+ -V-= 17V,CL =250pF
V+ - V- = 17V, CL = 500 pF
CL = 1000 pF
V+ - V- = 17V, CL = 250 pF
V+ -V-= 17V,CL =500pF
CL = 1000 pF
5.0 7.5
5.0 12
12
15
20
10
12
17
12
15
18
35
16
25
ns
ns
ns
ns
ns
ns
ns
ns
Note 1: These specifications apply for V+ - V- = lOV to 20V, CL = 1000 pF, over the temperature range -SS"C to +l2S"C
for the MH0026 and aOc to +85°C for the MH0026C, unless otherwise specified.
Noto 2: All typical values for the TA = 2S"C.
Note 3: Rise and fall time are given for MOS logic levels; I.e., rise tIme is transistion from logiC "a" to logic "1 II which IS voltage
fall. See waveforms on the following pages.
ac test circuit
L~:h:J
,.INPUT 0-......>-'10""'"+--...Y. '''"..
~RNf: ~VMHZ
~;~.
':'
I
r-YI.>---f-11-ll
II
~~'~
OUTPUT
switching time
waveforms
/ ,-____'\'v
-=-10%
INPUT
11'11=% :""---
3-32
V·~-200V


Part Number MH0026C
Description 5 MHz two phase MOS clock driver
Maker National Semiconductor
Total Page 9 Pages
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