TA8552AFN_02 Datasheet, PDF (3/16 Pages) Toshiba Semiconductor – PLL Data Synchronizer For DAT Streamer

TA8552AFN
Pin Function
Pin No. Pin Name
Function
1
NC
NC terminal. (open at normal use)
2
RVCO1
VCO adjusting terminal. Connect an external resistor (R_VCO1)
between V_CC.
3
AGND2 Analog ground for VCO.
4
CVCO1
VCO adjusting terminal. Connect a capacitor (C_VCO) between this
pin and pin6.
5
RVCO2
VCO adjusting terminal. Connect an external resistor (R_VCO2)
between V_CC.
6
CVCO2
VCO adjusting terminal. Connect a capacitor (C_VCO) between this
pin and pin4.
7
AVCC2 Analog power supply voltage for VCO.
8
TMON1 NC terminal (open at normal use)
9
TMON2 NC terminal (open at normal use)
10
XTMON2 NC terminal (open at normal use)
11
V_TTLO
Input terminal for TTL voh (high voltage level of pin20, and
pin21 output) limitting.
12
MODESEL
Input terminal for switching the normal mode and the serching mode.
(H: Normal mode, L: Serching mode)
13
TSTCPMP NC terminal. (open at normal use.)
14
RD
Input terminal of data (normal phase)
Input terminal of data (reverse phase).
15
XRD
(this terminal is active when TSTSEL1 = L and TSTSEL2 = H.
Otherelse, short with V_CC.)
16
TSTSEL1 Input terminal for test mode selecting. (refer the chapter of "test mode")
17
REFCLK Reference clock input of frequency synchronizer.
18
TSTSEL2 Input terminal for test mode selecting. (refer the chapter of "test mode")
19
DGND3 Digital ground for TTL output.
20
PBCK
Output terminal of data latch clock.
21
PBDT
Output terminal of data latch.
22
DVCC3 Digital power supply voltage for TTL output.
23
TSTCLK
Input terminal of ×1 / 2 vco test clock.
(short with V_CC at mormal use.)
Input terminal for switching the frequency detective mode and the phase
24
DETSEL
detective mode.
(L : The frequency detective mode
H : The phase detective mode.)
25
AVCC1 Analog power supply voltage.
In / Out
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―
―
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―
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―
―
―
TTL-in
―
ECL-in or
TTL-in
(ECL-in)
―
TTL-in
―
―
TTL-out
TTL-out
―
―
TTL-in
―
3
2002-10-30