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參數資料
型號: P4C187-45JI
廠商: PYRAMID SEMICONDUCTOR CORP
元件分類: DRAM
英文描述: ULTRA HIGH SPEED 64K x 1 STATIC CMOS RAMS
中文描述: 64K X 1 STANDARD SRAM, 45 ns, PDSO24
封裝: 0.300 INCH, PLASTIC, SOJ-24
文件頁數: 1/12頁
文件大小: 323K
代理商: P4C187-45JI
1
Document #
SRAM111
REV B
Revised April 2007
FEATURES
Full CMOS, 6T Cell
High Speed (Equal Access and Cycle Times)
– 10/12/15/20/25/35/45 ns (Commercial)
– 12/15/20/25/35 /45 ns (Industrial)
– 15/20/25/35/45/55/70/85 ns (Military)
Low Power Operation
– 743 mW Active -10
– 660/770 mW Active for -12/15
– 550/660 mW Active for -20/25 35
– 193/220 mW Standby (TTL Input)
– 83/110 mW Standby (CMOS Input) P4C187
– 5.5 mW Standby (CMOS Input) P4C187L (Military)
Single 5V±10% Power Supply
P4C187/P4C187L
ULTRA HIGH SPEED 64K x 1
STATIC CMOS RAMS
PIN CONFIGURATIONS
FUNCTIONAL BLOCK DIAGRAM
DIP (P3, D3, C3)
LCC Pin configurations at end of datasheet.
Data Retention with 2.0V Supply (P4C187L
Military)
Separate Data I/O
Three-State Output
TTL Compatible Output
Fully TTL Compatible Inputs
Standard Pinout (JEDEC Approved)
– 22-Pin 300 mil DIP
– 24-Pin 300 mil SOJ
– 22-Pin 290x490 mil LCC
– 28-Pin 350x550 mil LCC
DESCRIPTION
The P4C187/P4C187L are 65, 536-bit ultra high speed
static RAMs organized as 64K x 1. The CMOS memories
require no clocks or refreshing and have equal access and
cycle times. The RAMs operate from a single 5V ± 10%
tolerance power supply. Data ntegrity s maintained for sup-
ply voltages down to 2.0V, typically drawing 10μA.
Access times as fast as 10 nanoseconds are available,
greatly enhancing system speeds. CMOS reduces power
consumption to a low 743mW active, 193/83mW standby
for TTL/CMOS inputs and only 5.5 mW standby for the
P4C187L.
The P4C187/P4C187L are available in 22-pin 300 mil DIP,
24-pin 300 mil SOJ, 22-pin and 28-pin LCC packages pro-
viding excellent board level densities.
SOJ (J4)
相關PDF資料
PDF描述
P4C187-45JM ULTRA HIGH SPEED 64K x 1 STATIC CMOS RAMS
P4C187-45JMB ULTRA HIGH SPEED 64K x 1 STATIC CMOS RAMS
P4C187-45LC ULTRA HIGH SPEED 64K x 1 STATIC CMOS RAMS
P4C187-45LI ULTRA HIGH SPEED 64K x 1 STATIC CMOS RAMS
P4C187-45PC ULTRA HIGH SPEED 64K x 1 STATIC CMOS RAMS
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