IDT70914S
HIGH SPEED 36K (4K X 9)
SYNCHRONOUS
DUAL-PORT RAM
Features
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High-speed clock-to-data output times
– Military: 20/25ns (max.)
– Commercial: 12/15/20ns (max.)
Low-power operation
– IDT70914S
Active: 850 mW (typ.)
Standby: 50 mW (typ.)
Architecture based on Dual-Port RAM cells
– Allows full simultaneous access from both ports
Synchronous operation
– 4ns setup to clock, 1ns hold on all control, data, and address
inputs
– Data input, address, and control registers
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– Fast 12ns clock to data out
– Self-timed write allows fast cycle times
– 16ns cycle times, 60MHz operation
TTL-compatible, single 5V (+ 10%) power supply
Clock Enable feature
Guaranteed data output hold times
Available in 68-pin PLCC, and 80-pin TQFP
Military product compliant to MIL-PRF-38535 QML
Industrial temperature range (-40°C to +85°C) is available
for selected speeds.
Recommended for replacement of IDT7099 (4K x 9) if
separate 9th bit data control signals are not required
Green parts available, see ordering information
Functional Block Diagram
WRITE
LOGIC
WRITE
LOGIC
MEMOR
MEMORY
Y
ARRAY
ARRAY
REGISTER
REGISTER
I/O0-8L
I/O0-8R
SENSE
SENSE
AMPS DECODER DECODER AMPS
OEL
CLKL
CLKENL
R/WL
REG
en
REG
en
REG
CEL
OER
CLKR
CLKENR
Selftimed
Write
Logic
Selftimed
Write
Logic
A0L-A11L
A0R-A11R
REG
R/WR
CER
3490 drw 01
MAY 2010
1
©2010 Integrated Device Technology, Inc.
DSC-3490/8
IDT70914S
High-Speed 36K (4K x 9) Synchronous Dual-Port Static RAM
Military, Industrial and Commercial Temperature Ranges
N/C
N/C
A5L
A4L
A3L
A2L
A1L
A0L
CLKENL
CLKL
CLKR
CLKENR
A0R
A1R
A2R
A3R
A4R
A5R
A6R
N/C
Pin Configuration(1,2,3) (con't.)
Reference
N/C
A6L
A7L
A8L
A9L
A10L
A11L
N/C
OEL
N/C
VCC
R/WL
N/C
N/C
CEL
GND
I/O8L
I/O7L
I/O6L
N/C
1
2
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61
60
59
3
58
4
57
5
56
6
55
7
IDT70914PF
PN80-1(4)
8
9
10
54
53
52
51
80-Pin TQFP
Top View(5)
11
12
50
49
13
48
14
47
15
46
16
45
17
44
18
43
19
42
20
41
N/C
N/C
I/O5L
VCC
I/O4L
I/O3L
I/O2L
I/O1L
I/O0L
GND
GND
I/O0R
I/O1R
I/O2R
I/O3R
VCC
I/O4R
I/O5R
N/C
N/C
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
NOTES:
1. All VCC pins must be connected to power supply.
2. All ground pins must be connected to ground supply.
3. PN80-1 package body is approximately 14mm x 14mm x 1.4mm.
4. This package code is used to reference the package diagram.
5. This text does not indicate orientation of the actual part-marking.
6.42
3
N/C
A7R
A8R
A9R
A10R
A11R
N/C
OER
N/C
GND
GND
R/WR
N/C
N/C
CER
GND
I/O8R
I/O7R
I/O6R
N/C
,
3490 drw 04
