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參數(shù)資料
| 型號(hào)： | PI6C180VE |
| 廠(chǎng)商： | Pericom |
| 文件頁(yè)數(shù)： | 2/7頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC CLK BUFF 1:18 100MHZ 48-SSOP |
| 產(chǎn)品培訓(xùn)模塊： | Total Timing Technology |
| 標(biāo)準(zhǔn)包裝： | 30 |
| 類(lèi)型： | 扇出緩沖器（分配） |
| 電路數(shù)： | 1 |
| 比率 - 輸入:輸出： | 1:18 |
| 差分 - 輸入:輸出： | 無(wú)/無(wú) |
| 輸入： | TTL |
| 輸出： | TTL |
| 頻率 - 最大： | 100MHz |
| 電源電壓： | 3.135 V ~ 3.465 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類(lèi)型： | 表面貼裝 |
| 封裝/外殼： | 48-BSSOP（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 48-SSOP |
| 包裝： | 管件 |
2
PS8141F
12/13/04
PI6C180
Precision 1-18 Clock Buffer
Pin Description
Pin
Symbol
Type
Qty
Description
4, 5, 8, 9
SDRAM[0-3]
O
4
SDRAM Byte 0 clock output
13, 14, 17, 18
SDRAM[4-7]
O
4
SDRAM Byte 1 clock output
31, 32, 35, 36
SDRAM[8-11]
O
4
SDRAM Byte 2 clock output
40, 41, 44, 45
SDRAM[12-15] O
4
SDRAM Byte 3 clock output
21, 28
SDRAM[16-17] O
4
SDRAM clock outputs usable for feedback
11
Buf_IN
I
1
Input for 1-18 buffer
38
OE
I
1
Hi-Z all outputs when held LOW. Has a >100k internal pull-up resistor
24
SDATA
I/O
1
Data pin for I2C circuitry. Has a >100k internal pull-up resistor
25
SCLOCK
I/O
1
Clock pin for I2C circuitry. Has a >100k internal pull-ip resistor
3, 7, 12, 16,
20, 29, 33, 37,
42, 46
VDD[0-9]
Power
10
3.3V power supply for SDRAM buffers
6, 10, 15, 19,
22, 27, 30, 34,
39, 43
VSS[0-9]
Ground
10
Ground for SDRAM buffers
23
VDDIIC
Power
1
3.3V power supply for I2C circuitry
26
VSSIIC
Ground
Ground for I2C circuitry
1, 2, 47, 48
NC
Reserved
4
Reserved for future modifications. No connects
OE Functionality
OE
SDRAM[0-17]
Notes
0
Hi-Z
1
BUF_IN
2
I2C Address Assignment
A6
A5
A4
A3
A2
A1
A0
R/W
1
0
1
0
1
0
Notes:
1.
Used for test purposes only
2.
Buffers are non-inverting
Serial Configuration Map
Byte0: SDRAM Active/Inactive Register
(1 = enable, 0 = disable)
Bit
Pin
Description
7
18
SDRAM7 (Active/Inactive)
6
17
SDRAM6 (Active/Inactive)
5
14
SDRAM5 (Active/Inactive)
4
13
SDRAM4 (Active/Inactive)
3
9
SDRAM3 (Active/Inactive)
2
8
SDRAM2 (Active/Inactive)
1
5
SDRAM1 (Active/Inactive)
0
4
SDRAM0 (Active/Inactive)
Note:
1. Inactive means outputs are held LOW and are disabled from
switching.
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