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P4C170 데이터시트 PDF




Pyramid Semiconductor Corporation에서 제조한 전자 부품 P4C170은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

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부품번호 P4C170 기능
기능 (P4C168 - P4C170) ULTRA HIGH SPEED 4K x 4 STATIC CMOS RAMS
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P4C170 데이터시트, 핀배열, 회로
P4C168, P4C169, P4C170
ULTRA HIGH SPEED 4K x 4
STATIC CMOS RAMS
FEATURES
Full CMOS, 6T Cell
High Speed (Equal Access and Cycle Times)
– 12/15/20/25/35ns (Commercial)
– 20/25/35/45/55/70ns (P4C168 Military)
Low Power Operation (Commercial)
– 715 mW Active
– 193 mW Standby (TTL Input) P4C168
www.DataSheet4U.co8m3 mW Standby (CMOS Input) P4C168
Single 5V±10% Power Supply
DESCRIPTION
The P4C168, P4C169 and P4C170 are a family of
16,384-bit ultra high-speed static RAMs organized as 4K
x 4. All three devices have common input/output ports.The
P4C168 enters the standby mode when the chip enable
(CE) control goes HIGH; with CMOS input levels, power
consumption is only 83mW in this mode. Both the P4C169
and the P4C170 offer a fast chip select access time that
is only 67% of the address access time. In addition, the
P4C170 includes an output enable (OE) control to elimi-
nate data bus contention. The RAMs operate from a
single 5V ± 10% tolerance power supply.
FUNCTIONAL BLOCK DIAGRAM
Fully TTL Compatible, Common I/O Ports
Three Options
– P4C168 Low Power Standby Mode
– P4C169 Fast Chip Select Control
– P4C170 Fast Chip Select, Output Enable
Controls
Standard Pinout (JEDEC Approved)
– P4C168: 20-pin DIP, SOJ, LCC, SOIC,
CERPACK, and Flat Pack
– P4C169: 20-pin DIP and SOIC
– P4C170: 22-pin DIP
Access times as fast as 12 nanoseconds are available,
permitting greatly enhanced system operating speeds.
CMOS is used to reduce power consumption to a low 715
mW active, 193 mW standby.
The P4C168 and P4C169 are available in 20-pin (P4C170
in 22-pin) 300 mil DIP packages providing excellent
board level densities. The P4C168 is also available in 20-
pin 300 mil SOIC, SOJ, CERPACK, and Flat Pack
packages.
The P4C169 is also available in a 20-pin 300 mil SOIC
package.
PIN CONFIGURATIONS
P4C168
P4C169
DIP (P2, C6, D2) DIP (P2)
SOIC (S2)
SOIC (S2)
SOJ (J2)
CERPACK (F2)
SOLDER SEAL FLAT PACK (FS-2)
P4C170
DIP (P3)
Document # SRAM107 REV A
1 Revised October 2005




P4C170 pdf, 반도체, 판매, 대치품
P4C168, P4C169, P4C170
TIMING WAVEFORM OF READ CYCLE NO. 1 (ADDRESS CONTROLLED)(5,6)
Notes:
5. WE is HIGH for READ cycle.
6. CE/CS and OE are LOW for READ cycle.
www.DataSTheIeMt4IUN.cGomWAVEFORM OF READ CYCLE NO. 2 (CE/CS CONTROLLED)(5,7)
TIMING WAVEFORM OF READ CYCLE NO. 3—P4C170 ONLY (OE CONTROLLED)(5)
Notes:
7. ADDRESS must be valid prior to, or coincident with CE/CS transition
low. For Fast CS, tAA must still be met.
8. Transition is measured ±200mV from steady state voltage prior to
change, with loading as specified in Figure 1.
9. Read Cycle Time is measured from the last valid address to the first
transitioning address.
Document # SRAM107 REV A
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P4C170 전자부품, 판매, 대치품
AC TEST CONDITIONS
Input Pulse Levels
Input Rise and Fall Times
Input Timing Reference Level
Output Timing Reference Level
Output Load
GND to 3.0V
3ns
1.5V
1.5V
See Figures 1 and 2
www.DataSheet4U.com
P4C168, P4C169, P4C170
Figure 1. Output Load
* including scope and test fixture.
Note:
Because of the ultra-high speed of the P4C168, P4C169 AND P4C170
care must be taken when testing these devices; an inadequate setup
can cause a normal functioning part to be rejected as faulty. Long high-
inductance leads that cause supply bounce must be avoided by bringing
the VCC and ground planes directly up to the contactor fingers. A high
frequency capacitor of 0.01 µF is also required between VCC and ground.
Figure 2. Thevenin Equivalent
To avoid signal reflections, proper termination must be used; for
example, a 50test environment should be terminated into a 50load
with 1.73V (Thevenin Voltage) at the comparator input, and a 116
resistor must be used in series with DOUT to match 166(Thevenin
Resistance).
LCC PIN CONFIGURATION
Document # SRAM107 REV A
LCC (L9)
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부품번호상세설명 및 기능제조사
P4C170

(P4C168 - P4C170) ULTRA HIGH SPEED 4K x 4 STATIC CMOS RAMS

Pyramid Semiconductor Corporation
Pyramid Semiconductor Corporation

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